Caldwell County GIS Maps

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Caldwell County, Texas, has 45,883 residents across 24,989 parcels and covers 545.2 square miles. The population grew 20.5% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Caldwell County is 48055.

Lockhart is the county's largest population center. Caldwell County also includes 7 zip codes, 7 public school districts and 12 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.

Caldwell County Trends

Population
45,883▴
Median Home Value
$215,600▴
K-12 Enrollment
43,874▴
Caldwell County in Texas

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

Caldwell 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.

Caldwell County Parcels

Caldwell County has 24,989 mapped parcels covering 330,030 acres. The median assessed value is $268,100. The median lot size is 1.00 acres. 5,192 parcels are 10 acres or larger. The records carry 17,829 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 Caldwell County Parcel viewer here.

Caldwell County Parcel Data Coverage

Field Parcels Coverage
Parcel ID 24,989 100%
Owner name 24,787 99.2%
Owner mailing address 24,989 100%
Site address 24,989 100%
Land use code 24,786 99.2%
Land use description 0 0%
Assessed value 24,989 100%
Land value 24,989 100%
Improvement value 24,989 100%
Acreage 24,989 100%
Parcel boundary 24,989 100%
Download all Caldwell County parcels.

Field coverage measured across all Caldwell County parcel records.

Caldwell County Population

Caldwell County had 45,883 residents in 2020. That was 20.5% higher than in 2010. Caldwell County added 13,689 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 84 people per square mile. Some of the county's most populated postal areas include Lockhart, Dale and Luling.

Population Trend in Caldwell County TX

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

Caldwell County Zip Codes

Caldwell County has 7 zip codes. Some of the county's most populated zip codes include Lockhart (78644), Dale (78616) and Luling (78648). Lockhart is the largest zip by population, with about 20,813 residents or 45% of the county total. Together, the three largest zips account for about 88% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Caldwell County TX

ZIP Area Population Trend
78644 Lockhart 20,813 ▴ 21.8%
78616 Dale 11,605 ▴ 63.6%
78648 Luling 8,167 ▴ 6.3%
78655 Martindale 2,910 ▴ 6.2%
78656 Maxwell 2,596 ▴ 14.3%
Download all zip code data

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

Caldwell County Demographics

Caldwell County has a median age of 38.2, which makes the county a little older than Texas overall. About 23.4% of residents are under 18, while 15.2% 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 32.8% of the population, which points to a solid working-age base. About 16.4% 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 Caldwell County TX

Median Age

38.2

Under 18

23.4%

Age 65+

15.2%

Bachelor's+

16.4%

Caldwell County School Districts

Caldwell County is served by 7 public school districts with 43,874 students enrolled in 2024. The largest districts on the county map are Hays Consolidated Independent, San Marcos Consolidated Independent and Lockhart Independent. Those three districts account for about 90% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.

Largest School Districts by Enrollment in Caldwell County TX

District Enrollment Share Trend
Hays Consolidated Independent School District 24,330 55.5% ▴ 4.4%
San Marcos Consolidated Independent School District 8,222 18.7% ▾ -1.1%
Lockhart Independent School District 6,753 15.4% ▴ 2.3%
Gonzales Independent School District 2,557 5.8% ▴ 0.6%
Luling Independent School District 1,443 3.3% ▴ 1.2%
Download all school district data

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

Caldwell County Housing & Real Estate

Caldwell County has a median home value of $215,600 and a median gross rent of $1,145. About 73% 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 $318,398 and homes spent about 87 days on the market.

Caldwell County Housing Mix

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

Caldwell County Housing Trends

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

Businesses in Caldwell County, TX

Caldwell County has 1,623 business listings across 412 categories. The largest categories in Caldwell County business listings are Churches & Religious Organizations (64, 3.9%), Gas Stations (32, 2.0%), and Auto Repair (31, 1.9%). The full Caldwell County business listings dataset includes names, categories, addresses and contact details where available. Caldwell County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Caldwell County, TX

Category Businesses Share
Churches & Religious Organizations 64 3.9%
Gas Stations 32 2.0%
Auto Repair 31 1.9%
Mexican Restaurants 28 1.7%
Convenience Stores 25 1.5%
Event Planning 24 1.5%
Restaurants 22 1.4%
Community & Nonprofits 21 1.3%
Farm 20 1.2%
Baptist Church 20 1.2%

Caldwell County Business Listings

Business Category City
Plum Creek Recovery Ranch Abuse And Addiction Treatment Lockhart
Southpark Village Accommodation Lockhart
Bartlett Business Services Accountant Luling
Lockhart Youth Sports Complex Active Life Lockhart
Lockhart Post-Register Advertising Agency Lockhart
Longhorn S Livestock Feed Company Agricultural Service Luling
5D Farm and Feed Agriculture Lockhart
Julep Aviation Airport San Marcos
Lockhart Little League Amateur Sports Team Lockhart
City of Luling EMS Ambulance And Ems Services Luling
Download Caldwell County business listings

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

Caldwell County Basemaps

Caldwell 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 Caldwell County Data Package

This page shows a preview of what's included in the Caldwell 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.

Get the Caldwell County Package + Parcels — $49

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