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    (210) 717-2843 JMendoza.Realtor1@gmail.com
    • IH-10 Realty
      8637 Fredericksburg Rd, Suite 400-117
      San Antonio, TX 78240
      (210) 685-3563
      K104J@yahoo.com
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    Colorado County Community

    About Rock Island, TX

    Welcome to Rock Island, an unincorporated community in Colorado County, Texas, along U.S. Highway 90A amid the farmland of the coastal prairie.

    Rock Island is an unincorporated community and census-designated place in Colorado County, in south-central Texas, located along U.S. Highway 90A roughly 12 miles southwest of Columbus, the county seat. The community lies in the coastal prairie, a region long defined by rice farming, ranching, and agriculture, and it remains a small, rural settlement with no incorporated municipal government. The community's history reaches back to the late 1800s. Originally known as Crasco, it grew from a core of 39 farming families to a population of about 367 by 1904, reaching an all-time high of around 500 by 1925. Over the following decades the population declined as the broader pattern of rural-to-urban migration reshaped the Texas countryside, and by the late 20th century Rock Island had settled into the small farming community it is today. Rock Island is served by the Rice Consolidated Independent School District, which is based in the nearby community of Altair and also serves Eagle Lake, Garwood, Nada, and Sheridan. This consolidated arrangement is typical of rural Colorado County, where small communities share schools and services. Residents look to Columbus and Eagle Lake for shopping, healthcare, and daily needs, and the county's road network ties the area to the larger towns of the region. For residents, Rock Island offers a quiet, low-density way of life marked by high homeownership and open space. The surrounding farmland provides a scenic, unhurried setting, and the community's position along Highway 90A places Interstate 10 and the Houston area within reach. Rock Island is a place for those who want a genuine rural Texas existence with the conveniences of nearby towns a short drive away.

    Frequently Asked Questions

    What county is Rock Island in?

    Rock Island is located in Colorado County, in south-central Texas. It sits along U.S. Highway 90A, approximately 12 miles southwest of Columbus, the county seat, and about 15 miles west of Eagle Lake, in a rural farming region.

    What school district serves Rock Island?

    Portions of Rock Island are served by the Rice Consolidated Independent School District, which is based in the community of Altair. The district also serves Eagle Lake, Garwood, Nada, and Sheridan, along with surrounding rural areas of Colorado County.

    Is Rock Island an incorporated town?

    Rock Island is an unincorporated community, meaning it has no city government of its own. It is also a census-designated place, so the U.S. Census Bureau counts its population separately, and the community relies on Colorado County for local services.

    What is Rock Island's history?

    Rock Island was originally known as Crasco. It grew from a core of 39 farming families to a peak population of about 500 by 1925, before settling into the small agricultural community it remains today.

    What is the area around Rock Island like?

    Rock Island lies in the coastal prairie of Colorado County, an area shaped by rice farming, ranching, and agriculture. The community is surrounded by open farmland and rural roads, with Eagle Lake and the city of Columbus providing nearby services and recreation.

    City Guide

    About Rock Island

    Real Estate & Housing

    Rock Island offers affordable rural living in Colorado County, with high rates of homeownership and no homeowners' associations governing the community. Housing consists of modest single-family homes on rural lots, along with scattered acreage and agricultural parcels across the surrounding coastal prairie. The unincorporated status and agricultural setting mean properties often include larger lots and open space, appealing to buyers seeking land and independence rather than subdivision living. The market is low-density and value-oriented, drawing those who want a rural lifestyle within reach of Columbus, Eagle Lake, and the highway network that connects the region to Houston and other Texas cities.

    Neighborhoods

    Rock Island does not have formal subdivisions or an incorporated town center. The community consists of homes and small farms spread along U.S. Highway 90A and the local county roads, with the surrounding rice fields and pastureland defining the landscape. There is no downtown commercial district; instead, residents gather around local churches, the school district's campuses in nearby towns, and the rural road network. The community's identity is tied to its farming heritage and its position between Columbus and Eagle Lake, making it a dispersed, countryside settlement rather than a conventional town with defined neighborhoods.

    Lifestyle in Rock Island

    Life in Rock Island is quiet, rural, and rooted in the agricultural rhythms of the coastal prairie. The community has no city government, so residents rely on Colorado County for services and on nearby towns for shopping and daily needs. Homeownership is high, and the small population gives the area a close-knit, unassuming character. Rice farming and ranching shape the surrounding landscape, and the pace of life is unhurried. Residents value the open space, the affordability of rural living, and the simplicity of small-community life, with Columbus and Eagle Lake a short drive away and the Houston area reachable via nearby highways for larger amenities.

    Schools & Education

    Portions of Rock Island are served by the Rice Consolidated Independent School District, headquartered in the community of Altair. The district serves a broad rural area of Colorado County, including the city of Eagle Lake and the communities of Garwood, Nada, and Sheridan, along with surrounding rural territory. Students from the Rock Island area attend Rice CISD campuses in Altair and Eagle Lake. The consolidated district reflects the county's pattern of shared educational services across small communities, and its schools provide the full span of K-12 education for the region's dispersed rural population.

    Getting Around

    Rock Island is situated along U.S. Highway 90A, which runs east-west through Colorado County, connecting the community to Eagle Lake to the east and Columbus to the northeast. Columbus provides access to Interstate 10, the major corridor linking the region to Houston to the east and San Antonio to the west. Personal vehicles are essential, with no public transit serving the community, and residents drive for work, school, and services. The county road network links Rock Island to surrounding farmland and neighboring towns, making the highway and the nearby interstate the community's principal connections to the broader region.

    Parks & Recreation

    Recreation around Rock Island reflects the rural coastal prairie setting. The open farmland and quiet county roads lend themselves to country drives, birding, and the simple pleasures of rural living. Nearby Eagle Lake, known historically as a birding and wildlife destination, offers waterfowl habitat and outdoor activity, while Columbus provides parks, historical sites, and dining along the Colorado River. The region's rivers and lakes offer fishing and boating opportunities, and the Houston metropolitan area's larger recreational amenities are within reach via U.S. 90 and Interstate 10. Rock Island itself serves as a quiet base for enjoying the south-central Texas countryside.

    MARKET SNAPSHOT

    The Market at a Glance

    How homes have been selling here over the last 90 days.

    home_work New This Week 0
    Went Under Contract 0
    trending_down Price Reductions 0
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    Price & Sales History

    Market data reflects closed sales over the last 90 days and is provided for informational purposes.

    For sale

    Houses in Rock Island, TX

    Handpicked properties hitting the scene in your area.

    4 West Lane For Sale
    $25,500,000
    4 West LaneHouston, TX 77019
    • 5 bd
    • 8 ba
    • 17808 sqft
    • Built 2024
    • 15210959
    15016 Flat Top Ranch Road For Sale
    $20,000,000
    15016 Flat Top Ranch RoadAustin, TX 78732
    • 6 bd
    • 6.5 ba
    • 9725 sqft
    • Built 2018
    • 4447742
    15126 Walden Road For Sale
    $19,999,999
    15126 Walden RoadMontgomery, TX 77356
    • 5 bd
    • 3 ba
    • 10520 sqft
    • Built 2010
    • 58608298
    4625 Rockcliff Road For Sale
    $19,000,000
    4625 Rockcliff RoadAustin, TX 78746
    • 4 bd
    • 5 ba
    • 5275 sqft
    • Built 2001
    • 2163562
    1331 E Parker Road For Sale
    $18,500,000
    1331 E Parker RoadMuldoon, TX 78949
    • 3 bd
    • 2 ba
    • 1574 sqft
    • Built 2024
    • 5887178
    201 S Angel Light Drive For Sale
    $17,900,000
    201 S Angel Light DriveSpicewood, TX 78669
    • 5 bd
    • 6 ba
    • 8880 sqft
    • Built 2009
    • 1350346
    1415 Mount Larson Rd & 2012 Frances Dr For Sale
    $17,499,000
    1415 Mount Larson Rd & 2012 Frances DrAustin, TX 78746
    • 6 bd
    • 9 ba
    • 8251 sqft
    • Built 2007
    • 4507807
    Address Not Shown For Sale
    $15,995,000
    Address Not ShownDripping Springs, TX 78620
    • 4 bd
    • 4.5 ba
    • 5375 sqft
    • Built 2012
    • 9524548
    26100 Countryside Drive For Sale
    $15,950,000
    26100 Countryside DriveSpicewood, TX 78669
    • 5 bd
    • 5.5 ba
    • 10202 sqft
    • Built 1991
    • 8697049
    1003 The High Road ActiveUnderContract
    $15,900,000
    1003 The High RoadAustin, TX 78746
    • 7 bd
    • 9.5 ba
    • 10912 sqft
    • Built 2025
    • 8682310
    19813 Angel Bay Drive For Sale
    $14,999,000
    19813 Angel Bay DriveSpicewood, TX 78669
    • 7 bd
    • 8 ba
    • 10468 sqft
    • Built 2015
    • 5006835
    1415 Mount Larson Road For Sale
    $14,999,000
    1415 Mount Larson RoadAustin, TX 78746
    • 6 bd
    • 9 ba
    • 8251 sqft
    • Built 2007
    • 9288047

    For sale

    Townhomes in Rock Island, TX

    Handpicked properties hitting the scene in your area.

    101 Westcott Street #2001 For Sale
    $6,995,000
    101 Westcott Street #2001Houston, TX 77007
    • 4 bd
    • 5.5 ba
    • Built 1981
    • 26083069
    4521 San Felipe Street #3201 For Sale
    $4,500,000
    4521 San Felipe Street #3201Houston, TX 77027
    • 5 bd
    • 5.5 ba
    • 5486 sqft
    • Built 2019
    • 76471898
    1047 Long Reach Drive Active
    $3,950,000
    1047 Long Reach DriveTiki Island, TX 77554
    • 3 bd
    • 3 ba
    • 3325 sqft
    • Built 1994
    • 44032841
    2802 Shaver Street Pending
    $3,933,000
    2802 Shaver StreetPasadena, TX 77502
    • 4 bd
    • 3 ba
    • 1372 sqft
    • Built 2021
    • 29472039
    16800 Lookout Rd Active
    $3,900,000
    16800 Lookout RdSelma, TX 78154
    • 2 ba
    • 1837616
    14939 Cullen Boulevard Active
    $3,700,000
    14939 Cullen BoulevardHouston, TX 77047
    • 3 bd
    • 2 ba
    • 5286 sqft
    • Built 1950
    • 94965937
    10814 Woodedge Drive Pending
    $3,500,000
    10814 Woodedge DriveHouston, TX 77070
    • 21664 sqft
    • Built 1970
    • 75154230
    2401 14th Avenue Active
    $3,165,000
    2401 14th AvenueTexas City, TX 77590
    • 3 bd
    • 2 ba
    • 23824 sqft
    • Built 2018
    • 40933291
    12125 Aldine Westfield Road #17 Active
    $2,800,000
    12125 Aldine Westfield Road #17Houston, TX 77093
    • 960 sqft
    • Built 1944
    • 63369165
    1502 Jenkins Road Active
    $2,675,000
    1502 Jenkins RoadPasadena, TX 77506
    • 7036 sqft
    • Built 1968
    • 40773367
    397 County Road 379 Active
    $2,500,000
    397 County Road 379Cleveland, TX 77328
    • 4 ba
    • 1436 sqft
    • Built 1965
    • 8908820
    2421 Milam Street Active
    $2,440,000
    2421 Milam StreetHouston, TX 77006
    • 7 bd
    • 3 ba
    • 5145 sqft
    • Built 1911
    • 75559453

    For sale

    Condos in Rock Island, TX

    Handpicked properties hitting the scene in your area.

    2120 Post Oak Boulevard #PH3 For Sale
    $27,500,000
    2120 Post Oak Boulevard #PH3Houston, TX 77056
    • 5 bd
    • 7 ba
    • 9715 sqft
    • Built 2029
    • 77821306
    102 Asbury Street #3701 Pending
    $17,995,000
    102 Asbury Street #3701Houston, TX 77007
    • 4 bd
    • 5.5 ba
    • 6414 sqft
    • Built 2028
    • 75829625
    102 Asbury Street #3703 Pending
    $14,995,000
    102 Asbury Street #3703Houston, TX 77007
    • 4 bd
    • 4.5 ba
    • 5282 sqft
    • Built 2028
    • 30855564
    102 Asbury Street #3501 Pending
    $14,500,000
    102 Asbury Street #3501Houston, TX 77007
    • 3 bd
    • 4.5 ba
    • 4672 sqft
    • Built 2028
    • 70862908
    6507 Bridge Point Parkway #Bluestem 2A For Sale
    $12,975,000
    6507 Bridge Point Parkway #Bluestem 2AAustin, TX 78730
    • 4 bd
    • 4.5 ba
    • 3926 sqft
    • Built 2026
    • 3196183
    1275 S Post Oak Lane #2502 For Sale
    $11,000,000
    1275 S Post Oak Lane #2502Houston, TX 77056
    • 5 bd
    • 4.5 ba
    • 8689 sqft
    • Built 2014
    • 40248263
    2120 Post Oak Boulevard #27C For Sale
    $9,000,000
    2120 Post Oak Boulevard #27CHouston, TX 77056
    • 4 bd
    • 4.5 ba
    • 4844 sqft
    • Built 2029
    • 85457726
    102 Asbury Street #3101 For Sale
    $8,700,000
    102 Asbury Street #3101Houston, TX 77007
    • 3 bd
    • 3.5 ba
    • 3563 sqft
    • Built 2028
    • 2537628
    6507 Bridge Point Parkway #Gardenia 2A For Sale
    $8,475,000
    6507 Bridge Point Parkway #Gardenia 2AAustin, TX 78730
    • 3 bd
    • 3.5 ba
    • 3084 sqft
    • Built 2026
    • 8957258
    2399 Lake Woodlands Drive #W1005/6 For Sale
    $8,327,823
    2399 Lake Woodlands Drive #W1005/6The Woodlands, TX 77380
    • 4 bd
    • 5 ba
    • 4124 sqft
    • 81642891
    2503 Westlake Drive #201 For Sale
    $7,900,000
    2503 Westlake Drive #201Austin, TX 78746
    • 3 bd
    • 3.5 ba
    • 4067 sqft
    • Built 2025
    • 4160678
    6507 Bridge Point Parkway #LVS Gardenia 2B For Sale
    $7,775,000
    6507 Bridge Point Parkway #LVS Gardenia 2BAustin, TX 78730
    • 3 bd
    • 3.5 ba
    • 2857 sqft
    • Built 2025
    • 6763766

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    01 home for saleMedian sale$295K1 sale in the last 90 days
    000003 homes for saleMedian sale$370KPer sq ft$199 sales in the last 90 days
    123451 home for saleMedian sale$295K
    189341 home for saleMedian sale$700KPer sq ft$2741 sale in the last 90 days
    306737 homes for saleMedian sale$192KPer sq ft$7814 sales in the last 90 days
    349491 home for saleMedian sale$416.3KPer sq ft$35714 sales in the last 90 days
    349501 home for saleMedian sale$180KPer sq ft$1547 sales in the last 90 days
    716011 home for saleMedian sale$295K
    716032 homes for saleMedian sale$125KPer sq ft$641 sale in the last 90 days
    7163811 homes for saleMedian sale$295K
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    2380 Third Street For Sale
    $249,000
    2380 Third StreetRock Island, TX 77470
    • 2 bd
    • 1.5 ba
    • 1620 sqft
    • Built 1950
    • 88330996
    1

    Nearby Cities

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    • Sheridan6.6 mi14 Listings
    • Garwood6.8 mi19 Listings
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    • Eagle Lake17 mi70 Listings
    • Hallettsville21 mi107 Listings
    • Schulenburg23 mi150 Listings
    • Cat Spring22 mi44 Listings
    • New Ulm25 mi63 Listings
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    • El Campo29 mi119 Listings

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    Contact us

    Jennifer Mendoza & Justin Rodriguez

    (210) 717-2843

    JMendoza.Realtor1@gmail.com

    IH-10 Realty

    8637 Fredericksburg Rd, Suite 400-117 San Antonio, TX 78240

    • (210) 685-3563
    • K104J@yahoo.com