Duval County GIS Maps
Duval County, Texas, has 9,831 residents across 12,968 parcels and covers 1,793.5 square miles. The population declined 16.6% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Duval County is 48131.
Freer is the county's largest population center. Duval County also includes 5 zip codes, 5 public school districts and 13 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.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
Duval County Trends
- Population
- 9,831▾
- Median Home Value
- $86,400▴
- K-12 Enrollment
- 3,140▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Duval 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.
Duval County Parcels
Duval County has 12,968 mapped parcels covering 1,028,527 acres. The median assessed value is $51,000. The median lot size is 8.93 acres. 6,288 parcels are 10 acres or larger. The records carry 7,751 distinct owner names. About 2% of parcels list an owner mailing address outside Texas. Mailing addresses, site addresses, assessed values and lot sizes are on nearly every parcel. Owner names reach 95.5%. Browse the interactive Duval County Parcel viewer here.
Duval County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 12,968 | 100% |
| Owner name | 12,379 | 95.5% |
| Owner mailing address | 12,968 | 100% |
| Site address | 12,968 | 100% |
| Land use code | 12,379 | 95.5% |
| Land use description | 0 | 0% |
| Assessed value | 12,968 | 100% |
| Land value | 12,968 | 100% |
| Improvement value | 12,968 | 100% |
| Acreage | 12,968 | 100% |
| Parcel boundary | 12,968 | 100% |
| Download all Duval County parcels. | ||
Field coverage measured across all Duval County parcel records.
Duval County Population
Duval County had 9,831 residents in 2020. That was 16.6% lower than in 2010. Duval County had 3,289 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 5 people per square mile. Some of the county's most populated postal areas include San Diego, Freer and Benavides.
Population Trend in Duval County TX
Duval County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Duval County Zip Codes
Duval County has 5 zip codes. Some of the county's most populated zip codes include San Diego (78384), Freer (78357) and Benavides (78341). San Diego is the largest zip by population, with about 5,653 residents or 58% of the county total. Together, the three largest zips account for about 101% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Duval County TX
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 78384 | San Diego | 5,653 | ▾ -14.9% |
| 78357 | Freer | 2,858 | ▾ -9.6% |
| 78341 | Benavides | 1,420 | ▾ -19.3% |
| 78349 | Concepcion | 325 | ▾ -35.6% |
| 78376 | Realitos | 307 | ▾ -44.6% |
| Download all zip code data | |||
Duval County Zip Code populations and trends per most recent census data.
Duval County Demographics
Duval County has a median age of 35.9, which is close to the Texas average. About 25.9% of residents are under 18, while 15.6% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 33.3% of the population, which points to a solid working-age base. About 7% 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 Duval County TX
Median Age
35.9
Under 18
25.9%
Age 65+
15.6%
Bachelor's+
7%
Duval County School Districts
Duval County is served by 5 public school districts with 3,140 students enrolled in 2024. The largest districts on the county map are San Diego Independent, Premont Independent and Freer Independent. Those three districts account for about 94% 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 Duval County TX
| District | Enrollment | Share | Trend |
|---|---|---|---|
| San Diego Independent School District | 1,453 | 46.3% | ▾ -4% |
| Premont Independent School District | 794 | 25.3% | ▴ 1.5% |
| Freer Independent School District | 709 | 22.6% | ▴ 0.4% |
| Benavides Independent School District | 148 | 4.7% | ▾ -66.7% |
| Ramirez Common School District | 36 | 1.1% | ▴ 63.6% |
| Download all school district data | |||
Duval County school district enrollment and trends per most recent NCES reporting data.
Duval County Housing & Real Estate
Duval County has a median home value of $86,400 and a median gross rent of $737. About 71% 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 $116,250 and homes spent about 68 days on the market.
Duval County Housing Mix
Duval County housing mix: owner, renter and vacant units.
Duval County Housing Trends
Duval County median home value and rent trend (last 5 years).
Businesses in Duval County, TX
Duval County has 318 business listings across 146 categories. The largest categories in Duval County business listings are Convenience Stores (14, 4.4%), Elementary School (11, 3.5%), and Gas Stations (8, 2.5%). The full Duval County business listings dataset includes names, categories, addresses and contact details where available. Duval County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Duval County, TX
| Category | Businesses | Share |
|---|---|---|
| Convenience Stores | 14 | 4.4% |
| Elementary School | 11 | 3.5% |
| Gas Stations | 8 | 2.5% |
| Restaurants | 8 | 2.5% |
| Post Offices | 7 | 2.2% |
| Churches & Religious Organizations | 7 | 2.2% |
| Mexican Restaurants | 7 | 2.2% |
| Auto Repair | 6 | 1.9% |
| Public And Government Association | 6 | 1.9% |
| Discount Store | 6 | 1.9% |
Duval County Business Listings
| Business | Category | City |
|---|---|---|
| Rancho Patron | Accommodation | San Diego |
| Travis Davis Books | Accountant | |
| BUCK SKIN Outfitters LLC El Cuadro Ranch | Agricultural Cooperatives | Freer |
| San Gregorio Ranch | Agricultural Service | Realitos |
| Wyatt Ranches | Agriculture | |
| Duval-Freer Airport | Airport | Duval County |
| San Diego Ems | Ambulance And Ems Services | San Diego |
| Louie's | American Restaurants | Benavides |
| My Mother's Legacy | Arts And Crafts | Freer |
| Concepcion Civic Center | Arts And Entertainment | Concepcion |
| Download Duval County business listings | ||
Duval County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Duval County Basemaps
Duval 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 Duval County Data Package
This page shows a preview of what's included in the Duval 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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Nearby Counties
Browse county data pages for the counties that border Duval County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.