Demographics of Derby city, Kansas

Derby city, Kansas had 26,606 people on July 1, 2025, by the Census Bureau’s estimate: +890 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Derby city, in four figures

26,606
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 26,062 ±38.; +3.5%
Change since July 2020: +890 people.; 35.9 ±2.1
Median age: ACS 2020–⁠2024.; $84,112 ±$6,167
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Derby city, Kansas's population grew 3.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Derby city, Kansas's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Derby city, Kansas's population grew 3.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Derby city, Kansas's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	25,716	100.0	100.0
2021	25,783	100.3	100.2
2022	25,919	100.8	100.7
2023	26,267	102.1	101.6
2024	26,505	103.1	102.5
2025	26,606	103.5	103.1

Population of Derby city, Kansas on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	25,716	—
2021	25,783	+67
2022	25,919	+136
2023	26,267	+348
2024	26,505	+238
2025	26,606	+101

Age, 2020–2024

The median age is 35.9 ±2.1: for men 34.9 ±1.4 and for women 38.4 ±2.9. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Derby city by age, ACS 2020–2024
Age	People	Share	Kansas	United States
Under 5	1,671 ±313	6.4% ±1.2	6.0% ±<0.1	5.6% ±<0.1
5 to 17	5,294 ±556	20.3% ±2.1	17.8% ±0.1	16.3% ±<0.1
18 to 24	2,090 ±387	8.0% ±1.5	10.2% ±0.1	9.1% ±<0.1
25 to 44	6,814 ±591	26.1% ±2.3	25.8% ±0.1	26.9% ±<0.1
45 to 64	5,851 ±549	22.5% ±2.1	23.3% ±0.1	24.8% ±<0.1
65 and over	4,342 ±571	16.7% ±2.2	17.0% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $84,112 ±$6,167, and income per person $40,661 ±$2,558, in 2024 dollars. The median is $74,275 ±$475 in Kansas and $80,734 ±$166 in the United States.

Households by income

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Households in Derby city by income, ACS 2020–2024
Household income	Households	Share	Kansas	United States
Under $25,000	845 ±219	8.1% ±2.1	13.9% ±0.3	14.6% ±<0.1
$25,000 to $49,999	1,732 ±441	16.6% ±4.2	18.9% ±0.3	16.7% ±<0.1
$50,000 to $74,999	1,817 ±343	17.4% ±3.2	17.7% ±0.3	15.5% ±<0.1
$75,000 to $99,999	1,907 ±293	18.3% ±2.7	13.5% ±0.3	12.6% ±<0.1
$100,000 to $149,999	2,189 ±396	21.0% ±3.7	17.7% ±0.3	17.5% ±<0.1
$150,000 to $199,999	1,241 ±239	11.9% ±2.2	8.8% ±0.2	9.6% ±<0.1
$200,000 or more	716 ±212	6.9% ±2.0	9.6% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Derby city by age, ACS 2020–2024
Age	Below poverty	Rate	Kansas	United States
All ages	1,549 ±494	6.0% ±1.9	11.3% ±0.2	12.5% ±0.1
Under 18	519 ±234	7.6% ±3.3	13.1% ±0.4	16.1% ±0.1
18 to 59	792 ±253	5.9% ±1.9	11.5% ±0.2	11.6% ±0.1
60 and over	238 ±114	4.3% ±2.0	9.0% ±0.3	11.0% ±<0.1

Housing, 2020–2024

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Housing in Derby city, ACS 2020–2024
Measure	Derby city	Kansas	United States
Housing units	11,026 ±474	1,293,635 ±880	143,775,355 ±10,234
Occupied	94.7% ±1.4	90.8% ±0.3	89.9% ±0.1
Vacant	5.3% ±1.8	9.2% ±0.3	10.1% ±0.1
Owner occupied	68.5% ±3.4	67.2% ±0.4	65.2% ±0.3
Renter occupied	31.5% ±3.1	32.8% ±0.3	34.8% ±0.1
Median home value	$236,900 ±$10,971	$217,200 ±$1,343	$332,700 ±$236
Median gross rent	$1,136 ±$53	$1,060 ±$7	$1,413 ±$2
Median year built	1991 ±3	1976 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Derby city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Kansas	United States
Hispanic or Latino	3,354 ±824	12.9% ±3.2	13.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	20,424 ±830	78.4% ±3.2	72.7% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	135 to 555	0.5% to 2.1%	5.2% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	135 to 405	0.5% to 1.6%	2.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	71 to 373	0.3% to 1.4%	0.4% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 44	0% to 0.2%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	13 to 231	< 0.1% to 0.9%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,309 ±354	5.0% ±1.4	4.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Derby city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Kansas	United States
Born in the state	16,032 ±838	61.5% ±3.2	59.2% ±0.3	57.3% ±<0.1
Born in another state	9,228 ±819	35.4% ±3.1	32.4% ±0.2	26.9% ±<0.1
Born a citizen outside the states	156 ±68	0.6% ±0.3	1.1% ±<0.1	1.7% ±<0.1
Born abroad	646 ±223	2.5% ±0.9	7.4% ±0.1	14.1% ±<0.1
Naturalized citizens	341 ±124	1.3% ±0.5	3.2% ±0.1	7.4% ±<0.1
Not citizens	145 to 465	0.6% to 1.8%	4.2% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Derby city among the places of Kansas

16th of 65 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Kansas page.

Places of Kansas near Derby city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Hutchinson city	39,709 ±51
Leavenworth city	37,195 ±52
Leawood city	33,809 ±48
Garden City city	27,819 ±52
Dodge City city	27,613 ±37
Derby city	26,062 ±38
Gardner city	24,526 ±30
Emporia city	24,131 ±30
Prairie Village city	22,874 ±55
Junction City city	22,331 ±27
Hays city	21,143 ±24

Elsewhere on the site

Reported crime in Derby city, Kansas

Rankings this appears in

No. 10 Places in Kansas by median rent
No. 10 Places in Kansas by per capita income
No. 11 Places in Kansas by homeownership rate
No. 11 Places in Kansas by median age
No. 13 Places in Kansas by Hispanic or Latino share
No. 13 Places in Kansas by median household income

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026