ZIP Codes of Cass County, TX

Population & People
Population & People
Total Population
29,396
Household Income
Household Income
Median Income
$54,877
Housing
Housing
Total Housing Units
14,663
Business & Economy
Business & Economy
Total Businesses
527
Employment
Employment
Employment Rate
48.29%
Education
Education
Bachelor's Degree+
19.06%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 11 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:11 ZIP Codes (9 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:430 / 903
Timezone:Central (GMT -06:00)
Local Time:11:55:11 PM
Population:29,396 [See All]
FIPS:48067
Land Area:908 sq mi
Water Area:32 sq mi
Coordinates:33.0507, -94.2962
Quick Link:
https://www.zip-codes.com/county/tx-cass.asp
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Texas's #96 most populous county
29,396 residents across 11 ZIPs — #96 of 254 Texas counties.

Standout ZIPs in this County


Most Populous
Atlanta · 10,341 people
35.2% of county total
Highest Income
Bloomburg · $93,750 median
1.7× county average
Largest Land Area
Linden · 167.0 sq mi
Spans the most ground
Fastest Growth
Bloomburg · 9.8% (10-yr)
1,078 → 1,184 residents
Most Educated
Atlanta · 23.2% bachelor's+
1,715 of 7,379 adults 25+

Things worth knowing about Cass County


29,396 residents live across 11 ZIPs covering 908 sq mi, served by 11 distinct USPS-recognized cities.

Population moved from 31,335 to 29,396 from 2014 to 2024 — a -6.2% change. 3 ZIPs gained residents, 8 lost.

The county's wealthiest ZIP 75556 (Bloomburg, $93,750 median) and poorest ZIP 75565 (Mc Leod, $19,539) are 14.5 miles apart — a 4.8× income gap across local geography.

Median home values vary 1.5× across this county — from $103,600 in 75556 (Bloomburg) to $160,000 in 75551 (Atlanta).

Density varies 962× across the county — from 12 people/sq mi in 75560 (Douglassville) to 11,324 in 75565 (Mc Leod).

Educational attainment ranges from 3.4% bachelor's+ in 75566 (Marietta) to 23.2% in 75551 (Atlanta) — the breadth of educational profiles across the area.

Within Texas, this is the #96 most populous of 254 counties and ranks #213 for median household income .

Weighted by population, the typical household earns about $56,375 across the county — reflecting what a typical resident sees, not a simple ZIP average.

19.1% of adults age 25+ hold a bachelor's degree or higher (3,976 of 20,864 reporting).

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

Stories about Cass County


Two counties in one

Median household income spans 4.8× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
Bloomburg
Median income: $93,750
Population: 1,184
Bachelor's+: 22.2%
vs
Poorest ZIP (pop >= 500)
Mc Leod
Median income: $19,539
Population: 248
Bachelor's+: 1.8%
For every $1 of household income in 75565, the typical household in 75556 earns $4.80.

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
908
square miles
Avg density
32.4
people per sq mi
Population
29,396
across 11 ZIPs
Linden
167.0 sq mi
4,033 residents
Atlanta
160.6 sq mi
10,341 residents
Bivins
128.2 sq mi
1,630 residents

Population decline

Cass County lost 6.2% of residents between 2014 and 2024. ZIPs that shed the largest share:

Queen City
-21.9%
4,009 → 3,130 residents

All ZIP Codes in Cass County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
75551AtlantaStandard10,341$64,248160.6-1.3%
75656Hughes SpringsStandard4,507$41,72796.6-7.2%
75563LindenStandard4,033$52,565167.0-9.6%
75572Queen CityStandard3,130$45,62584.2-21.9%
75630AvingerStandard2,452$49,677119.1-9.1%
75555BivinsStandard1,630$58,750128.27.4%
75556BloomburgStandard1,184$93,75026.09.8%
75560DouglassvilleStandard962$83,66781.7-0.8%
75566MariettaStandard886$39,21944.913.7%
75565Mc LeodPO Box248$19,5390.0-34.6%
75562KildarePO Box230.0-78.5%

Adjacent & Nearby Counties