Overview
5,434
Total Population
32.9
Median age
50.31%
Female population %
98.8:100
Gender ratio (M:F)
15-19 years
Largest age group
59.1
Total dependency ratio
White
Largest racial group
445
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Colby's population is young compared to the rest of the country:
- The median age in Colby is 32.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Colby's population under 18 was 24.27%, compared to the 22.51% nationwide.
- Colby's elderly or the senior population (over 65 age) was 16.07% as compared to 16.04% nationwide.
- Of the total population in Colby, 21.09% were under the age of 15, 24.46% aged 15 to 29, 38.39% aged 30 to 64, 12.26% aged 65 to 84, and 3.81% were 85 years of age and older.
Read more about Colby, KS population by age ➔
Gender
There are 34 more females than males in Colby:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.31% females and 49.69% males in Colby, KS.
- The Colby, KS gender ratio is 98.8:100 i.e. 98.8 men to 100 women (0.988).
- For male population, the largest age group is 15-19 years with a population of 314.
- For the female population, the largest age group is 20-24 years with a population of 282.
Read more about Colby, KS population by gender ➔
Race / Ethnicity
Colby's population has become increasingly diverse:
- Racial distribution of Colby population: 92.14% are White, 1.18% are Black or African American, 0.28% are American Indian and Alaska Native, 1.64% are Asian, 1.86% are some other race and 2.91% are multiracial.
- Colby's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 445 is Hispanic or Latino (of any race), and 4,989 (91.81% of the total population) is Non-Hispanic.
- The largest racial group in Colby is White with a population of 5,007 (92.14% of the total population).
Read more about Colby, KS population by race ➔
Year by year
Colby's population has already reached its peak and is showing a trend of decline:
- The peak population was 5,568 in the year 2021
- From 2000 to 2010, Colby's population decreased by 12 (0.22%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Colby's population increased by 146 (2.70%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Colby's population was lowest in year 2008 at 4,864.
Read more about Colby, KS population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)