Colby city, Kansas Demographics & Population 2026
As of 2026, Colby city, Kansas has a total population of 5,389, the 61st largest city in Kansas, with a median household income of $66,731, which is 8% lower than the state average. The poverty rate is 8.2%.
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 2.3x.
- Near full employment with an unemployment rate of just 0.0%.
Colby city Quick Facts
How Colby city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 44 | National average: 60
Education
Educational Attainment (Adults 25+)
Colby city Rankings in Kansas
Explore Kansas Rankings
Cities Similar to Colby city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Ulysses city | 5,812 | $63,765 | $123,100 | 22.3% | 6.4% |
| Mulvane city | 5,829 | $70,224 | $168,900 | 34.4% | 16.4% |
| Paola city | 5,757 | $73,281 | $195,000 | 28.7% | 5.7% |
| Maize city | 5,990 | $68,750 | $280,500 | 42.0% | 9.9% |
| Tonganoxie city | 5,693 | $77,500 | $227,700 | 37.9% | 11.4% |
Population Overview
Colby city is a small city located in Kansas, within Thomas County. The total population is 5,389. It ranks as the 61st most populous out of 726 cities and towns in Kansas.
Age Demographics
The median age in Colby city is 32.7 years. This is 12% lower than the state median of 37.2 years.
Economy, Income & Housing
The median household income in Colby city is $66,731. This is 8% lower than the state median of $72,639. Compared to the national median of $78,538, household income here is 15% lower. The poverty rate stands at 8.2%. This is 28% lower than the state poverty rate of 11.5%. The unemployment rate is 0.0%. This is 100% lower than the state rate of 3.9%. The median home value is $150,700. Housing costs are 26% lower than the state median of $203,400. With a home-value-to-income ratio of just 2.3x, Colby city is one of the most affordable housing markets in the area. 69.6% of occupied housing units are owner-occupied. This homeownership rate is 4% higher than the state average of 66.9%.
Race & Ethnicity
Colby city has a predominantly White (non-Hispanic) population, comprising 90.4% of all residents. Hispanic or Latino residents account for 8.5%. The Black or African American population (0.5%) is well below the state average of 5.3%. The Asian population (0.2%) is well below the state average of 2.9%.
Education
29.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 15% lower than the state rate of 35.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.2%.
Data Sources & Methodology
All demographic data for Colby city, Kansas is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Kansas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 726 Census-designated places in Kansas. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Colby city, Kansas?
Colby city, Kansas has a population of 5,389 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Colby city, KS?
The median household income in Colby city is $66,731, which is 15% lower the national median of $78,538.
What is the poverty rate in Colby city, KS?
The poverty rate in Colby city is 8.2%. This means approximately 409 residents live below the federal poverty line.
What is the racial makeup of Colby city, Kansas?
Colby city's population is 90.4% White, 0.5% Black, 8.5% Hispanic/Latino, and 0.2% Asian.
What is the median home value in Colby city, KS?
The median home value in Colby city is $150,700. The home-value-to-income ratio is 2.3x.
How educated is Colby city, Kansas?
29.9% of adults (25+) in Colby city hold a bachelor's degree or higher, and 9.0% hold a graduate or professional degree.