ZIP Codes of Callahan County, TX

Population & People
Population & People
Total Population
13,346
Household Income
Household Income
Median Income
$64,382
Housing
Housing
Total Housing Units
6,008
Business & Economy
Business & Economy
Total Businesses
229
Employment
Employment
Employment Rate
57.79%
Education
Education
Bachelor's Degree+
22.19%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:4 ZIP Codes (3 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:254 / 325
Timezone:Central (GMT -06:00)
Local Time:11:55:11 PM
Population:13,346 [See All]
FIPS:48059
CBSA:Abilene, TX
Land Area:834 sq mi
Water Area:3 sq mi
Coordinates:32.2824, -99.3156
Quick Link:
https://www.zip-codes.com/county/tx-callahan.asp
Need Callahan data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Texas's #144 most populous county
13,346 residents across 4 ZIPs — #144 of 254 Texas counties.

Standout ZIPs in this County


Most Populous
Clyde · 8,369 people
62.7% of county total
Highest Income
Clyde · $78,686 median
1.2× county average
Largest Land Area
Baird · 401.5 sq mi
Spans the most ground
Fastest Growth
Clyde · 11.3% (10-yr)
7,519 → 8,369 residents
Most Educated
Cross Plains · 24.3% bachelor's+
319 of 1,313 adults 25+

Things worth knowing about Callahan County


13,346 residents live across 4 ZIPs covering 834 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 12,621 to 13,346 from 2014 to 2024 — a +5.7% change. 1 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 79510 (Clyde, $78,686 median) and poorest ZIP 76443 (Cross Plains, $49,915) are 19.2 miles apart — a 1.6× income gap across local geography.

Median home values vary 1.5× across this county — from $104,700 in 76443 (Cross Plains) to $161,000 in 79510 (Clyde).

Density varies across the county — from 7 people/sq mi in 79504 (Baird) to 30 in 79510 (Clyde).

Educational attainment ranges from 21.5% bachelor's+ in 79510 (Clyde) to 24.3% in 76443 (Cross Plains) — the breadth of educational profiles across the area.

Within Texas, this is the #144 most populous of 254 counties and ranks #150 for median household income with the #83 fastest decade growth .

Weighted by population, the typical household earns about $71,226 across the county — reflecting what a typical resident sees, not a simple ZIP average.

22.2% of adults age 25+ hold a bachelor's degree or higher (2,032 of 9,158 reporting).

3 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Callahan 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
834
square miles
Avg density
16.0
people per sq mi
Population
13,346
across 4 ZIPs
Baird
401.5 sq mi
2,969 residents
Clyde
274.6 sq mi
8,369 residents
Cross Plains
157.5 sq mi
1,999 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.

Clyde

All ZIP Codes in Callahan County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
79510ClydeStandard8,369$78,686274.611.3%
79504BairdStandard2,969$64,545401.5-3.1%
76443Cross PlainsStandard1,999$49,915157.5-0.6%
76469PutnamPO Box90.1-65.4%

Adjacent & Nearby Counties