Starr County GIS Maps

Starr 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.

Starr County Parcels

Starr County has 34,385 mapped parcels covering 624,848 acres. The median assessed value is $73,150. The median lot size is 0.26 acres. 5,025 parcels are 10 acres or larger. The records carry 25,144 distinct owner names. About 2% 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 Starr County Parcel viewer here.

Starr County Parcel Data Coverage

Field coverage measured across all Starr County parcel records. Download free sample data here.

Starr County Population

Starr County had 65,920 residents in 2020. That was 8.1% higher than in 2010. Starr County added 12,323 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 54 people per square mile. Some of the county's most populated postal areas include Rio Grande City, Roma and Grulla.

Population Trend in Starr County TX

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

Starr County Zip Codes

Starr County has 8 zip codes. Some of the county's most populated zip codes include Rio Grande City (78582), Roma (78584) and Grulla (78548). Rio Grande City is the largest zip by population, with about 43,253 residents or 66% of the county total. Together, the three largest zips account for about 97% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Starr County TX

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

Starr County Demographics

Starr County has a median age of 29.1, which makes the county a little younger than Texas overall. About 32.8% of residents are under 18, while 11.2% 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 32.8% of the population, which suggests the county has a notable share of children and family households. About 13.3% 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 Starr County TX

Starr County School Districts

Starr County is served by 3 public school districts with 15,488 students enrolled in 2024. The largest districts on the county map are Rio Grande City Grulla Independent, Roma Independent and San Isidro Independent. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Starr County TX

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

Starr County Housing & Real Estate

Starr County has a median home value of $93,300 and a median gross rent of $715. About 72% 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 $218,750 and homes spent about 79 days on the market.

Businesses in Starr County, TX

Starr County has 1,853 business listings across 351 categories. The largest categories in Starr County business listings are Mexican Restaurants (86, 4.6%), Convenience Stores (50, 2.7%), and Restaurants (44, 2.4%). The full Starr County business listings dataset includes names, categories, addresses and contact details where available. Starr County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Starr County, TX

Starr County Business Listings

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

Starr County Basemaps

Starr 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.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from Texas — explore the full structure before you buy.