ZIP Codes of De Witt County, TX

Population & People
Population & People
Total Population
16,338
Household Income
Household Income
Median Income
$63,833
Housing
Housing
Total Housing Units
7,636
Business & Economy
Business & Economy
Total Businesses
348
Employment
Employment
Employment Rate
47.18%
Education
Education
Bachelor's Degree+
18.28%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:7 ZIP Codes (5 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:361 / 830
Timezone:Central (GMT -06:00)
Local Time:11:55:13 PM
Population:16,338 [See All]
FIPS:48123
Land Area:845 sq mi
Water Area:1 sq mi
Coordinates:29.0523, -97.3735
Quick Link:
https://www.zip-codes.com/county/tx-de-witt.asp
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Texas's #135 most populous county
16,338 residents across 7 ZIPs — #135 of 254 Texas counties.

Standout ZIPs in this County


Most Populous
Cuero · 11,424 people
69.9% of county total
Highest Income
Westhoff · $87,589 median
1.4× county average
Largest Land Area
Cuero · 408.6 sq mi
Spans the most ground
Fastest Growth
Cuero · -1.9% (10-yr)
11,644 → 11,424 residents
Most Educated
Yorktown · 22.3% bachelor's+
463 of 2,076 adults 25+

Things worth knowing about De Witt County


16,338 residents live across 7 ZIPs covering 845 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 17,603 to 16,338 from 2014 to 2024 — a -7.2% change. 3 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 77994 (Westhoff, $87,589 median) and poorest ZIP 78141 (Nordheim, $43,553) are 19.5 miles apart — a 2.0× income gap across local geography.

Median home values vary 2.5× across this county — from $75,700 in 78141 (Nordheim) to $187,200 in 77954 (Cuero).

Density varies across the county — from 7 people/sq mi in 77994 (Westhoff) to 28 in 77954 (Cuero).

Educational attainment ranges from 8.0% bachelor's+ in 78141 (Nordheim) to 29.4% in 77994 (Westhoff) — the breadth of educational profiles across the area.

Within Texas, this is the #135 most populous of 254 counties and ranks #156 for median household income .

Weighted by population, the typical household earns about $65,287 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.3% of adults age 25+ hold a bachelor's degree or higher (2,155 of 11,791 reporting).

5 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about De Witt County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
845
square miles
Avg density
19.3
people per sq mi
Population
16,338
across 7 ZIPs
Cuero
408.6 sq mi
11,424 residents
Yorktown
272.3 sq mi
2,927 residents
Nordheim
72.8 sq mi
868 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Cuero

Population decline

De Witt County lost 7.2% of residents between 2014 and 2024. ZIPs that shed the largest share:

Yorktown
-32.3%
4,322 → 2,927 residents

All ZIP Codes in De Witt County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
77954CueroStandard11,424$66,195408.6-1.9%
78164YorktownStandard2,927$67,578272.3-32.3%
78141NordheimStandard868$43,55372.817.8%
77974MeyersvilleStandard695$54,25028.617.0%
77994WesthoffStandard424$87,58963.138.6%
77967HochheimPO Box0.0
77989ThomastonPO Box0.0

Adjacent & Nearby Counties