Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/TX/COUNTY/COLORADO

Colorado County, TX ZIP codes

There are 12 ZIP codes in Colorado County, TX, in 12 towns, from 77412 to 78962. The largest are 78934 (Columbus), 78962 (Weimar) and 77434 (Eagle Lake).

The county seat is Columbus.

ZIP codes
12
Towns
12
County seat
Columbus
County FIPS
48089
State
Texas
Population
21,006
Median household income
$66,377
Land area
960 sq mi
Area code
979

Colorado County ZIP codes by town

Columbus (county seat)
78934

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Colorado County ZIP codes

774127743477442774607747077475789337893478935789437895178962

The ZIP codes of Colorado County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Colorado County in numbers

About 21,006 people live in Colorado County, in 7,937 households, the 116th most populous of Texas's 254 counties. The median household income is $66,377 a year, 15% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $209,800 (26% below the Texas median), and median gross rent is $926 a month. The median age is 43.3; 22.9% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 26 minutes.

Population21,006Colorado21,006
Households7,937Colorado7,937
Median age43.3Colorado43.3Texas35.6US 38.9
Median household income$66,377Colorado$66,377Texas$78,476US $80,734
Median home value$209,800Colorado$209,800Texas$283,800US $332,700
Median gross rent$926Colorado$926Texas$1,403US $1,413
Bachelor's degree or higher22.9%Colorado22.9%Texas33.8%US 35.7%
Mean commute25.7 minColorado25.7 minTexas26.7 minUS 26.4 min
Population density22 / sq miColorado22 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Colorado County

Largest towns in Colorado County
TownZIP codesPopulation
Columbus 1 3,860
Eagle Lake 1 3,485
Weimar 1 2,928
Cat Spring 1 1,395
Glidden 1 1,071
Alleyton 1 734
Rock Island 1 414
Garwood 1 386
Sheridan 1 208
Nada 1 177
Altair 1 6

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Colorado County.

Not sure you are in Colorado County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Colorado County, with figures

ZIP codes in Colorado County
ZIP City Type Population Median income Median home
77412 Altair , TX Standard 6 — —
77434 Eagle Lake , TX Standard 3,970 $71,705 $129,300
77442 Garwood , TX Standard 1,123 $70,859 $237,100
77460 Nada , TX Standard 76 — —
77470 Rock Island , TX Standard 414 $43,149 $122,800
77475 Sheridan , TX Standard 431 $63,308 $218,100
78933 Cat Spring , TX Standard 1,395 $68,444 $272,600
78934 Columbus , TX Standard 6,731 $58,302 $234,500
78935 Alleyton , TX Standard 734 — $216,700
78943 Glidden , TX Standard 886 $98,531 $206,600
78951 Oakland , TX Standard 0 — —
78962 Weimar , TX Standard 5,236 $71,278 $235,600

Cite this page

zipcodes.pro. “Colorado County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tx/county/colorado

Underlying data is public domain or openly licensed — sources, vintages and licences.