Gaines County GIS Maps

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Gaines County, Texas, has 21,598 residents across 16,377 parcels and covers 1,502.4 square miles. The population grew 23.2% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Gaines County is 48165.

Seminole is the county's largest population center. Gaines County also includes 4 zip codes, 4 public school districts and 10 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show parcel data, population, demographics, school enrollment and housing patterns in more detail.

Open the Interactive Parcel Viewer Open the Interactive Parcel Viewer

Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.

Gaines County Trends

Population
21,598▴
Median Home Value
$185,300▴
K-12 Enrollment
4,012▴
Gaines County in Texas

County analytics dashboards with historical trends & projections included in package downloads.

Gaines County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Gaines County Parcels

Gaines County has 16,377 mapped parcels covering 933,100 acres. The median assessed value is $99,250. The median lot size is 1.82 acres. 3,620 parcels are 10 acres or larger. The records carry 9,464 distinct owner names. About 5% of parcels list an owner mailing address outside Texas. Owner names, mailing addresses, site addresses, assessed values and lot sizes are on nearly every parcel. Browse the interactive Gaines County Parcel viewer here.

Gaines County Parcel Data Coverage

Field Parcels Coverage
Parcel ID 16,378 100%
Owner name 16,269 99.3%
Owner mailing address 16,378 100%
Site address 16,378 100%
Land use code 16,269 99.3%
Land use description 0 0%
Assessed value 16,378 100%
Land value 16,378 100%
Improvement value 16,378 100%
Acreage 16,378 100%
Parcel boundary 16,377 99.9%
Download all Gaines County parcels.

Field coverage measured across all Gaines County parcel records.

Gaines County Population

Gaines County had 21,598 residents in 2020. That was 23.2% higher than in 2010. Gaines County added 7,131 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 14 people per square mile. Some of the county's most populated postal areas include Seminole, Denver City and Seagraves.

Population Trend in Gaines County TX

Gaines County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Gaines County Zip Codes

Gaines County has 4 zip codes. Some of the county's most populated zip codes include Seminole (79360), Denver City (79323) and Seagraves (79359). Seminole is the largest zip by population, with about 17,803 residents or 82% of the county total. Together, the three largest zips account for about 126% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Gaines County TX

ZIP Area Population Trend
79360 Seminole 17,803 ▴ 31.2%
79323 Denver City 6,541 ▾ -0.3%
79359 Seagraves 2,800 ▾ -3.4%
79342 Loop 322 ▾ -8.5%
Download all zip code data

Gaines County Zip Code populations and trends per most recent census data.

Gaines County Demographics

Gaines County has a median age of 29.3, which makes the county a little younger than Texas overall. About 35.7% of residents are under 18, while 9.4% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is Under 18 at about 35.7% of the population, which suggests the county has a notable share of children and family households. About 8.1% of adults have a bachelor's degree or higher, above the statewide figure of 33.1%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.

Key Demographics for Gaines County TX

Median Age

29.3

Under 18

35.7%

Age 65+

9.4%

Bachelor's+

8.1%

Gaines County School Districts

Gaines County is served by 4 public school districts with 4,012 students enrolled in 2024. The largest districts on the county map are Seminole Independent, Seagraves Independent and Wellman-Union Consolidated Independent. Those three districts account for about 96% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.

Largest School Districts by Enrollment in Gaines County TX

District Enrollment Share Trend
Seminole Independent School District 3,089 77% ▴ 3.4%
Seagraves Independent School District 525 13.1% ▴ 2.5%
Wellman-Union Consolidated Independent School District 248 6.2% ▾ -11.1%
Loop Independent School District 150 3.7% ▴ 4.9%
Download all school district data

Gaines County school district enrollment and trends per most recent NCES reporting data.

Gaines County Housing & Real Estate

Gaines County has a median home value of $185,300 and a median gross rent of $788. About 77% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Texas median, while rents come in below the state average. In March 2026, the median listing price was $279,950 and homes spent about 45 days on the market.

Gaines County Housing Mix

Gaines County housing mix: owner, renter and vacant units.

Gaines County Housing Trends

Gaines County median home value and rent trend (last 5 years).

Businesses in Gaines County, TX

Gaines County has 727 business listings across 267 categories. The largest categories in Gaines County business listings are Churches & Religious Organizations (27, 3.7%), Gas Stations (19, 2.6%), and Rv Park (17, 2.3%). The full Gaines County business listings dataset includes names, categories, addresses and contact details where available. Gaines County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Gaines County, TX

Category Businesses Share
Churches & Religious Organizations 27 3.7%
Gas Stations 19 2.6%
Rv Park 17 2.3%
Auto Repair 16 2.2%
Building Supply Store 15 2.1%
Contractors 14 1.9%
Mexican Restaurants 13 1.8%
Convenience Stores 12 1.7%
Construction Services 11 1.5%
Beauty Salons 10 1.4%

Gaines County Business Listings

Business Category City
Seminole Tx. Accommodation Seminole
C Bar F Equestrian Center Active Life Seminole
B&M Pump Irrigation Sales & Service Agricultural Cooperatives Seminole
Green Planet Drip Agricultural Service Seminole
Five Points Gin Agriculture Seagraves
Gaines County Airport Airport Seminole
Seminole Emergency Medical Service Ambulance And Ems Services Seminole
Seagrave's Dixie Dog American Restaurants Seagraves
Chris Antiques and Collectibles Antique Store Seminole
DUNES APTS Apartments Seminole
Download Gaines County business listings

Gaines County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Gaines County Basemaps

Gaines County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Get the Full Gaines County Data Package

This page shows a preview of what's included in the Gaines County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.

  • 20+ GIS layers for parcels, zip codes, school districts, roads, water, boundaries and more
  • Historical county demographics, housing, income and trend data
  • ZIP code population files and school district enrollment history
  • Database files, markdowns, AI-ready prompts and documentation
  • Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
  • Offline-ready data explorer, map and analytics tools

Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.

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