Demographics of Olathe city, Kansas

Olathe city, Kansas had 150,025 people on July 1, 2025, by the Census Bureau’s estimate: +8,476 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Olathe city, in four figures

150,025
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 145,057 ±105.; +6.0%
Change since July 2020: +8,476 people.; 37.2 ±0.6
Median age: ACS 2020–⁠2024.; $114,009 ±$2,589
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.

Olathe city, Kansas's population grew 6.0% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Olathe 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

Olathe city, Kansas's population grew 6.0% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Olathe 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	141,549	100.0	100.0
2021	142,981	101.0	100.2
2022	144,820	102.3	100.7
2023	147,083	103.9	101.6
2024	148,664	105.0	102.5
2025	150,025	106.0	103.1

Population of Olathe city, Kansas on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	141,549	—
2021	142,981	+1,432
2022	144,820	+1,839
2023	147,083	+2,263
2024	148,664	+1,581
2025	150,025	+1,361

Age, 2020–2024

The median age is 37.2 ±0.6: for men 36.6 ±0.9 and for women 37.8 ±0.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Olathe city by age, ACS 2020–2024
Age	People	Share	Kansas	United States
Under 5	8,895 ±667	6.1% ±0.5	6.0% ±<0.1	5.6% ±<0.1
5 to 17	28,834 ±1,249	19.9% ±0.9	17.8% ±0.1	16.3% ±<0.1
18 to 24	11,829 ±805	8.2% ±0.6	10.2% ±0.1	9.1% ±<0.1
25 to 44	40,660 ±1,397	28.0% ±1.0	25.8% ±0.1	26.9% ±<0.1
45 to 64	34,889 ±1,192	24.1% ±0.8	23.3% ±0.1	24.8% ±<0.1
65 and over	19,950 ±1,123	13.8% ±0.8	17.0% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $114,009 ±$2,589, and income per person $50,628 ±$1,537, 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 Olathe city by income, ACS 2020–2024
Household income	Households	Share	Kansas	United States
Under $25,000	3,151 ±442	5.9% ±0.8	13.9% ±0.3	14.6% ±<0.1
$25,000 to $49,999	6,991 ±713	13.2% ±1.3	18.9% ±0.3	16.7% ±<0.1
$50,000 to $74,999	6,662 ±607	12.6% ±1.1	17.7% ±0.3	15.5% ±<0.1
$75,000 to $99,999	6,203 ±582	11.7% ±1.1	13.5% ±0.3	12.6% ±<0.1
$100,000 to $149,999	12,123 ±888	22.8% ±1.6	17.7% ±0.3	17.5% ±<0.1
$150,000 to $199,999	7,829 ±632	14.8% ±1.2	8.8% ±0.2	9.6% ±<0.1
$200,000 or more	10,113 ±744	19.1% ±1.4	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 Olathe city by age, ACS 2020–2024
Age	Below poverty	Rate	Kansas	United States
All ages	8,016 ±1,011	5.6% ±0.7	11.3% ±0.2	12.5% ±0.1
Under 18	2,040 ±377	5.5% ±1.0	13.1% ±0.4	16.1% ±0.1
18 to 59	4,415 ±543	5.5% ±0.7	11.5% ±0.2	11.6% ±0.1
60 and over	1,561 ±408	5.9% ±1.5	9.0% ±0.3	11.0% ±<0.1

Housing, 2020–2024

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Housing in Olathe city, ACS 2020–2024
Measure	Olathe city	Kansas	United States
Housing units	54,594 ±895	1,293,635 ±880	143,775,355 ±10,234
Occupied	97.2% ±2.2	90.8% ±0.3	89.9% ±0.1
Vacant	2.8% ±0.6	9.2% ±0.3	10.1% ±0.1
Owner occupied	74.8% ±1.2	67.2% ±0.4	65.2% ±0.3
Renter occupied	25.2% ±1.5	32.8% ±0.3	34.8% ±0.1
Median home value	$364,700 ±$5,272	$217,200 ±$1,343	$332,700 ±$236
Median gross rent	$1,314 ±$49	$1,060 ±$7	$1,413 ±$2
Median year built	1994 ±1	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 Olathe city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Kansas	United States
Hispanic or Latino	18,310 ±1,578	12.6% ±1.1	13.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	105,029 ±1,843	72.4% ±1.3	72.7% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	7,688 ±884	5.3% ±0.6	5.2% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	6,223 ±857	4.3% ±0.6	2.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	80 to 284	0.1% to 0.2%	0.4% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 42	0% to < 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	1,186 ±532	0.8% ±0.4	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	6,420 ±779	4.4% ±0.5	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 Olathe city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Kansas	United States
Born in the state	67,606 ±1,651	46.6% ±1.1	59.2% ±0.3	57.3% ±<0.1
Born in another state	59,603 ±1,929	41.1% ±1.3	32.4% ±0.2	26.9% ±<0.1
Born a citizen outside the states	1,625 ±337	1.1% ±0.2	1.1% ±<0.1	1.7% ±<0.1
Born abroad	16,223 ±1,527	11.2% ±1.1	7.4% ±0.1	14.1% ±<0.1
Naturalized citizens	8,189 ±926	5.6% ±0.6	3.2% ±0.1	7.4% ±<0.1
Not citizens	8,034 ±1,257	5.5% ±0.9	4.2% ±0.1	6.8% ±<0.1

Olathe city among the places of Kansas

4th 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 Olathe city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Wichita city	397,945 ±97
Overland Park city	200,306 ±98
Kansas City city	155,135 ±39
Olathe city	145,057 ±105
Topeka city	125,786 ±71
Lawrence city	96,051 ±50
Shawnee city	68,542 ±67
Lenexa city	58,384 ±58
Manhattan city	54,239 ±52

Elsewhere on the site

Reported crime in Olathe city, Kansas

Rankings this appears in

No. 2 Places in Kansas by median household income
No. 3 Places in Kansas by homeownership rate
No. 5 Places in Kansas by median home value
No. 6 Places in Kansas by foreign-born share
No. 6 Places in Kansas by per capita income
No. 7 Places in Kansas by median rent

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