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CITY · 2010 ACS

Colby

Kansas · 5,387 residents · 3.66 sq mi
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The short version

With 5,387 people, Colby is a city in Kansas. The average commute runs 11 minutes. The typical home is worth $85,400. Median rent is $427 a month. The foreign-born share is 3%. About 23% of adults have finished a four-year degree.

At a glance
Lower income
below the US median
US median: $52,703
Younger
median age 34.5
US median: 37.2
Less educated
23% hold a bachelor's degree
US average: 28%
More affordable
home values down 13%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

5,387
−1%since 2000
from 5,450 in 2000
1990 – 2025
34.5
+1%since 2000
from 34.1 in 2000
US average: 37.2
Land area
3.66 sq mi
Population, 19902024
5K5K5K5K6K19902000201020202024Colby
20245K
1990201020202024
Age distribution, 2010
Under 56.5%(349)
US avg: 6.5%
5 to 95.9%(316)
US avg: 6.6%
10 to 146%(325)
US avg: 6.7%
15 to 1910%(538)
US avg: 7.1%
20 to 2410.1%(545)
US avg: 7%
25 to 3412%(648)
US avg: 13.3%
35 to 449.5%(514)
US avg: 13.3%
45 to 5413.6%(734)
US avg: 14.6%
55 to 6410.6%(570)
US avg: 11.8%
65 to 746.9%(371)
US avg: 7%
75 to 845.5%(294)
US avg: 4.2%
85 and over3.4%(183)
US avg: 1.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$42,331
−3%inflation adjusted, since 2000
from $34,615 in 2000
US average: $52,703
1990 – 2024
$22,335
+18%since 2000
from $18,872 in 2000
US average: $27,286
Households earning $100K+
25.3%
+3.8 ptssince 2009
from 21.4% in 2009
US average: 33.3%
9.4%
−3.0 ptssince 2000
from 12.4% in 2000
US average: 13.8%
0.404
US average: 0.461
Workforce by industry, 2010
Information16.1%
US avg: 11.5%
Finance & insurance6.4%
US avg: 5.1%
Other services6.4%
US avg: 7%
Wholesale trade5.6%
US avg: 7.2%
Public administration5%
US avg: 4.9%
Agriculture, forestry, fishing4.5%
US avg: 1.9%
Professional, scientific, technical4.1%
US avg: 4.2%
Transportation & warehousing4%
US avg: 3.1%
Construction2.4%
US avg: 1.4%
Education & health services2.3%
US avg: 0.9%
Manufacturing2.1%
US avg: 0.5%
Retail trade1.9%
US avg: 10.9%
Arts, entertainment, food1.1%
US avg: 2.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$85,400
−13%inflation adjusted, since 2000
from $77,400 in 2000
US average: $225,659
1990 – 2024
$427
−9%inflation adjusted, since 2000
from $370 in 2000
US average: $853
62.9%
−1.4 ptssince 2000
from 64.3% in 2000
37.1% rent
13.3%
+1.5 ptssince 2009
from 11.9% in 2009
US average: 12.1%
2.22 people
+4%since 2009
from 2.13 people in 2009
US average: 2.60
15.2%
−2.5 ptssince 2009
from 17.7% in 2009
US average: 30.9%
36.2%
+7.6 ptssince 2009
from 28.6% in 2009
US average: 46.8%
2.0
−6%since 2009
from 2.1 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic95.8%(5,221)
Black0.6%(35)
Hispanic / Latino2%(108)
Asian0.4%(21)
Other0%
2010
White, non-Hispanic93.1%(5,014)
Black0.7%(37)
Hispanic / Latino4%(218)
Asian0.6%(34)
Other2%(108)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican2.4%(128)
Costa Rican0.4%(20)
Ancestry
German49.8%(2,621)
English17%(893)
Irish12.1%(638)
American3.9%(205)
Czech3.3%(174)
Scottish3%(159)
Swedish2.8%(148)
French2.7%(143)
Russian2%(103)
Norwegian1.9%(99)
Dutch1.6%(85)
Polish1.3%(67)
+ 11 more ancestry groups with data
Finnish1.3%(66)
Scotch-Irish0.9%(46)
Italian0.8%(42)
Welsh0.7%(38)
Danish0.5%(25)
Turkish0.4%(23)
Romanian0.4%(20)
Australian0.3%(16)
Austrian0.2%(10)
Swiss0.2%(9)
Section 05

Education

23.3%
−0.6 ptssince 2000
from 23.9% in 2000
US average: 27.9%
High school or higher
84.8%
−8.9 ptssince 2000
from 93.6% in 2000
US average: 84.9%
7.8%
−0.6 ptssince 2000
from 8.4% in 2000
US average: 10.2%
Section 06

Commute & transportation

10.5 min
+7%since 2000
from 9.8 min in 2000
US average: 25.2
76.9%
−1.8 ptssince 2009
from 78.7% in 2009
US average: 76.2%
8.5%
+1.5 ptssince 2009
from 7.0% in 2009
US average: 10.4%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 4.7%
6.5%
+1.2 ptssince 2009
from 5.3% in 2009
US average: 4.1%
5.6%
+0.1 ptssince 2009
from 5.6% in 2009
US average: 2.8%
1.2%
Unchangedsince 2009
from 1.2% in 2009
US average: 0.5%
7.8%
+0.7 ptssince 2009
from 7.0% in 2009
US average: 8.7%
Section 07

Work & employment

17.7%
−0.1 ptssince 2009
from 17.8% in 2009
US average: 12.9%
26.5%
−4.7 ptssince 2009
from 31.3% in 2009
US average: 35.2%
Section 08

People & community

48.6%
Unchangedsince 2009
from 48.5% in 2009
51.4%
Unchangedsince 2009
from 51.5% in 2009
3.1%
−0.6 ptssince 2009
from 3.7% in 2009
US average: 12.8%
8.2%
−0.3 ptssince 2009
from 8.5% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married35.7%(709)
Married51.9%(1,030)
Widowed3.9%(77)
Divorced8.5%(168)
Women 15+
Never married31.3%(684)
Married47.3%(1,034)
Widowed10.3%(225)
Divorced11%(241)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

8.6%
+3.2 ptssince 2013
from 5.4% in 2013
US average: 8.4%
63.6%
−5.1 ptssince 2020
from 68.7% in 2020
US average: 54.8%
Direct-purchase
18.9%
+2.5 ptssince 2020
from 16.4% in 2020
US average: 13.8%
14.7%
+0.4 ptssince 2020
from 14.3% in 2020
US average: 18.4%
13.4%
+5.9 ptssince 2020
from 7.5% in 2020
US average: 20.9%
VA health care
0.7%
−0.5 ptssince 2020
from 1.2% in 2020
US average: 2.2%
Any private
80.5%
−2.8 ptssince 2020
from 83.3% in 2020
US average: 67.1%
Any public
24.8%
+5.0 ptssince 2020
from 19.8% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)78.8%(78)
US avg: 26.4%
Gulf War (1990s)55.6%(55)
US avg: 24.3%
Vietnam era24.2%(24)
US avg: 33.1%
Korean War6.1%(6)
US avg: 4.5%
World War II3%(3)
US avg: 1%

Share of the 99 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Colby, Kansas?

Colby, Kansas has about 5,387 residents according to the 2010 American Community Survey.

What is the median household income in Colby, Kansas?

The typical household in Colby, Kansas earns about $42,331 a year. Half of households make more than that, and half make less.

Is Colby, Kansas expensive?

In Colby, Kansas, the median home is worth about $85,400, and the typical rent is about $427 a month.

How educated are people in Colby, Kansas?

About 23.3% of adults age 25 and over in Colby, Kansas hold a bachelor's degree or higher.

What is the poverty rate in Colby, Kansas?

About 9.4% of people in Colby, Kansas live below the federal poverty line.

Has Colby, Kansas grown since 1990?

Yes, Colby, Kansas has shrunk since 1990. The population has lost about 9 residents, a change of about -0 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →