Dimmit County GIS Maps
Dimmit County, Texas, has 8,615 residents across 9,331 parcels and covers 1,328.9 square miles. The population declined 13.8% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Dimmit County is 48127.
Carrizo Springs is the county's largest population center. Dimmit County also includes 4 zip codes, 1 public school district and 9 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.
Dimmit County Trends
- Population
- 8,615▾
- Median Home Value
- $80,300▴
- K-12 Enrollment
- 1,852▾
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.
Dimmit 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.
Dimmit County Parcels
Dimmit County has 9,331 mapped parcels covering 750,226 acres. The median assessed value is $42,062. The median lot size is 0.34 acres. 2,282 parcels are 10 acres or larger. The records carry 5,047 distinct owner names. About 10% 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 90.4%. Browse the interactive Dimmit County Parcel viewer here.
Dimmit County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 9,331 | 100% |
| Owner name | 8,436 | 90.4% |
| Owner mailing address | 9,331 | 100% |
| Site address | 9,331 | 100% |
| Land use code | 8,436 | 90.4% |
| Land use description | 0 | 0% |
| Assessed value | 9,331 | 100% |
| Land value | 9,331 | 100% |
| Improvement value | 9,331 | 100% |
| Acreage | 9,331 | 100% |
| Parcel boundary | 9,331 | 100% |
| Download all Dimmit County parcels. | ||
Field coverage measured across all Dimmit County parcel records.
Dimmit County Population
Dimmit County had 8,615 residents in 2020. That was 13.8% lower than in 2010. Dimmit County had 1,633 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 6 people per square mile. Some of the county's most populated postal areas include Carrizo Springs, Asherton and Big Wells.
Population Trend in Dimmit County TX
Dimmit County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Dimmit County Zip Codes
Dimmit County has 4 zip codes. Some of the county's most populated zip codes include Carrizo Springs (78834), Asherton (78827) and Big Wells (78830). Carrizo Springs is the largest zip by population, with about 7,061 residents or 82% of the county total. Together, the three largest zips account for about 98% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Dimmit County TX
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 78834 | Carrizo Springs | 7,061 | ▾ -9.8% |
| 78827 | Asherton | 863 | ▾ -29.2% |
| 78830 | Big Wells | 509 | ▾ -35.2% |
| 78836 | 78836 | 85 | ▾ -33.6% |
| Download all zip code data | |||
Dimmit County Zip Code populations and trends per most recent census data.
Dimmit County Demographics
Dimmit County has a median age of 36.3, which makes the county a little older than Texas overall. About 28.4% of residents are under 18, while 16.6% 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 30.8% of the population, which points to a solid working-age base. About 11% 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 Dimmit County TX
Median Age
36.3
Under 18
28.4%
Age 65+
16.6%
Bachelor's+
11%
Dimmit County School Districts
Dimmit County is served by 1 public school district with 1,852 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. 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 Dimmit County TX
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Carrizo Springs Consolidated Independent School District | 1,852 | 100% | ▾ -3.3% |
| Download all school district data | |||
Dimmit County school district enrollment and trends per most recent NCES reporting data.
Dimmit County Housing & Real Estate
Dimmit County has a median home value of $80,300 and a median gross rent of $753. About 61% 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 $149,975 and homes spent about 144 days on the market.
Dimmit County Housing Mix
Dimmit County housing mix: owner, renter and vacant units.
Dimmit County Housing Trends
Dimmit County median home value and rent trend (last 5 years).
Businesses in Dimmit County, TX
Dimmit County has 455 business listings across 189 categories. The largest categories in Dimmit County business listings are Convenience Stores (18, 4.0%), Hotels (17, 3.7%), and Mexican Restaurants (14, 3.1%). The full Dimmit County business listings dataset includes names, categories, addresses and contact details where available. Dimmit County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Dimmit County, TX
| Category | Businesses | Share |
|---|---|---|
| Convenience Stores | 18 | 4.0% |
| Hotels | 17 | 3.7% |
| Mexican Restaurants | 14 | 3.1% |
| Churches & Religious Organizations | 13 | 2.9% |
| Restaurants | 11 | 2.4% |
| Gas Stations | 11 | 2.4% |
| Auto Repair | 10 | 2.2% |
| Rv Park | 8 | 1.8% |
| Parks & Recreation | 8 | 1.8% |
| Public And Government Association | 8 | 1.8% |
Dimmit County Business Listings
| Business | Category | City |
|---|---|---|
| Rancho Segundo | Active Life | Catarina |
| Air Nest Aviation | Airport | Carrizo Springs |
| Camino Real Ambulance | Ambulance And Ems Services | Carrizo Springs |
| Rositas Restaurant | American Restaurants | Carrizo Springs |
| Dimmit County Fair Grounds | Arts And Entertainment | Carrizo Springs |
| Kim's Kitchen | Asian Restaurant | Carrizo Springs |
| Carrizo Spring Nursing And Rehab Center | Assisted Living Facility | Carrizo Springs |
| LibertyX Bitcoin ATM | ATMs | Carrizo Springs |
| Eagle Ford Field. Catarina Tx. | Attractions And Activities | Catarina |
| Bear's Body Shop | Auto Body Shop | Carrizo Springs |
| Download Dimmit County business listings | ||
Dimmit County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Dimmit County Basemaps
Dimmit 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 Dimmit County Data Package
This page shows a preview of what's included in the Dimmit 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 Dimmit County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.