Karnes County GIS Maps

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Karnes County, Texas, has 14,710 residents across 12,396 parcels and covers 747.5 square miles. The population declined 0.8% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Karnes County is 48255.

Kenedy is the county's largest population center. Karnes County also includes 7 zip codes, 8 public school districts and 14 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.

Karnes County Trends

Population
14,710▾
Median Home Value
$136,900▾
K-12 Enrollment
4,522▾
Karnes County in Texas

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

Karnes 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.

Karnes County Parcels

Karnes County has 12,396 mapped parcels. The median lot size is 5.55 acres. 5,730 parcels are 10 acres or larger. The records carry 7,118 distinct owner names. About 3% 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 Karnes County Parcel viewer here.

Karnes County Parcel Data Coverage

Field Parcels Coverage
Parcel ID 12,398 100%
Owner name 12,328 99.4%
Owner mailing address 12,398 100%
Site address 12,398 100%
Land use code 12,328 99.4%
Land use description 0 0%
Assessed value 12,398 100%
Land value 12,398 100%
Improvement value 12,398 100%
Acreage 12,398 100%
Parcel boundary 12,396 99.9%
Download all Karnes County parcels.

Field coverage measured across all Karnes County parcel records.

Karnes County Population

Karnes County had 14,710 residents in 2020. That was 0.8% lower than in 2010. Karnes County had 736 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 20 people per square mile. Some of the county's most populated postal areas include Kenedy, Karnes City and Runge.

Population Trend in Karnes County TX

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

Karnes County Zip Codes

Karnes County has 7 zip codes. Some of the county's most populated zip codes include Kenedy (78119), Karnes City (78118) and Runge (78151). Kenedy is the largest zip by population, with about 7,048 residents or 48% of the county total. Together, the three largest zips account for about 90% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Karnes County TX

ZIP Area Population Trend
78119 Kenedy 7,048 ▾ -8.2%
78118 Karnes City 4,899 ▴ 23.2%
78151 Runge 1,299 ▾ -3.6%
78117 Falls City 649 ▴ 19.1%
78116 Gillett 218 ▾ -44.1%
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Karnes County Zip Code populations and trends per most recent census data.

Karnes County Demographics

Karnes County has a median age of 37.1, which makes the county a little older than Texas overall. About 20.1% of residents are under 18, while 14.9% 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 38.4% of the population, which points to a solid working-age base. About 16% 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 Karnes County TX

Median Age

37.1

Under 18

20.1%

Age 65+

14.9%

Bachelor's+

16%

Karnes County School Districts

Karnes County is served by 8 public school districts with 4,522 students enrolled in 2024. The largest districts on the county map are Karnes City Independent, Nixon-Smiley Consolidated Independent and Kenedy Independent. Those three districts account for about 62% 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 Karnes County TX

District Enrollment Share Trend
Karnes City Independent School District 1,021 22.6% ▾ -1%
Nixon-Smiley Consolidated Independent School District 1,016 22.5% ▴ 0.5%
Kenedy Independent School District 758 16.8% ▾ -1.6%
Pawnee Independent School District 630 13.9% ▴ 9.2%
Falls City Independent School District 442 9.8% ▴ 1.4%
Download all school district data

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

Karnes County Housing & Real Estate

Karnes County has a median home value of $136,900 and a median gross rent of $872. About 65% 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 $218,749 and homes spent about 113 days on the market.

Karnes County Housing Mix

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

Karnes County Housing Trends

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

Businesses in Karnes County, TX

Karnes County has 664 business listings across 231 categories. The largest categories in Karnes County business listings are Convenience Stores (26, 3.9%), Hotels (22, 3.3%), and Churches & Religious Organizations (22, 3.3%). The full Karnes County business listings dataset includes names, categories, addresses and contact details where available. Karnes County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Karnes County, TX

Category Businesses Share
Convenience Stores 26 3.9%
Hotels 22 3.3%
Churches & Religious Organizations 22 3.3%
Public And Government Association 17 2.6%
Gas Stations 13 2.0%
Rv Park 11 1.7%
Fast Food 11 1.7%
Public Service And Government 11 1.7%
Restaurants 10 1.5%
Beauty Salons 9 1.4%

Karnes County Business Listings

Business Category City
Kenedy Heights Accommodation Kenedy
P Malcolm Gulley CPA Accountant Karnes City
Morning Glory Equestrian Connection Active Life
Frank Nieschwietz Enterprises Agricultural Service Falls City
Falls City Milling Co Agriculture Falls City
Kenedy Regional Airport Airport Kenedy
Polak's Sausage Farm Restaurant American Restaurants Karnes City
Chicken Creek Range Amusement Park Runge
Karnes County Humane Organization Animal Shelters Kenedy
Park Place Landing Apartments Apartments Kenedy
Download Karnes County business listings

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

Karnes County Basemaps

Karnes 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 Karnes County Data Package

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