Skip to main content
City Profile

Colby, Kansas

Population: 5,570 · 1 ZIP code

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
5,570
People
Median age
32.3
Housing
Total households
2,131
Income
Median household income
$63,494
Housing
Total housing units
2,464
Employment
Employment rate
73.2%
Education
Bachelor’s degree or higher
37%
Healthcare
Insured population
91.4%
City details
Local time 02:13:26(CT)
LocationColby, KS
Population (ZIP areas)6,561(sum of local ZIP code populations)
Total ZIP codes1total
ZIP codes (by type)
1 Standard
CountyThomas
Area code
TimezoneCentral Time (CT)
Coordinates39.3942168, -101.0500675
Land area450.1 sq miles(1,165,629,826 m²)

Map of Colby, Kansas with ZIP codes

Map of Colby, Kansas and ZIP codes

ZIP Codes in Colby

Explore the ZIP codes that make up Colby. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
67701Standard$70,2506,561

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Colby, KS.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS