Olathe, Kansas Population 2024

149,419

Olathe Demographics

According to the most recent ACS, the racial composition of Olathe was:

  • White: 81.29%
  • Two or more races: 7%
  • Black or African American: 5.17%
  • Asian: 4.12%
  • Other race: 2.25%
  • Native American: 0.16%
  • Native Hawaiian or Pacific Islander: 0.01%
State
Kansas
Land Area (mi²)
62.5 sq mi
Density (mi²)
2,392.50/sq mi
Growth Since 2020
5.53% (7,833)
The current population of Olathe, Kansas is 149,419 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 141,586.

Population by Race

Race
Population
Percentage (of total)
White115,52481.29%
Two or more races9,9417%
Black or African American7,3475.17%
Asian5,8554.12%
Other race3,2032.25%
Native American2300.16%
Native Hawaiian or Pacific Islander140.01%

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Olathe Population by Race

Olathe Population Pyramid 2024

Olathe Median Age

36.3

Total

35.6

Male

37.1

Female

Olathe Adults

There are 104,046 adults, (17,940 of whom are seniors) in Olathe.

Olathe Age Dependency

65

Age Dependency Ratio

20.8

Old Age Dependency Ratio

44.2

Child Dependency Ratio

Olathe Sex Ratio

Female71,37350.22%
Male70,74149.78%

Olathe Population by Age

Olathe Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All51,0212.7573.526.5
Married30,5163.388.511.5
Non Family13,0601.2950.349.7
Female5,1282.995050
Male2,3173.2559.940.1

3.17

Average Family Size

2.75

Average Household Size

73.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Olathe Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2,8863.12%
Associates Degree7,5878.21%
Bachelors Degree29,33531.75%
Graduate Degree17,66819.12%
High School Graduate14,81116.03%
Less Than 9th Grade2,0182.18%
Some College18,10119.59%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Olathe Educational Attainment by Sex (over 25)

Olathe Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White72,69170,93140,175
Hispanic8,6406,1801,735
2+ Races4,6133,9371,495
Black4,4254,1291,564
Asian4,0713,7432,269
Other Race1,8801,474633
Native American17117171
Islander13130

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 55.74%.

Olathe Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$72,133$89,078$55,189
Graduate Degree$82,672$102,241$70,819
High School Graduate$40,377$48,063$30,704
Less Than 9th Grade$31,875$37,312$24,848
Overall$59,124$72,151$47,316
Some College$50,630$62,415$37,272

$59,124

Average Earnings

$72,151

Average Male

$47,316

Average Female

Olathe Earnings by Educational Attainment

Olathe Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Olathe Language

85.1% of Olathe residents speak only English, while 14.9% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 8.19% of the population.

Olathe Language

Olathe Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White105,3034,6404.41%
Hispanic16,4062,30814.07%
Multiple9,8411,14811.67%
Black7,0826929.77%
Other3,17733710.61%
Asian5,7903355.79%
Native2263013.27%

6.08%

Overall Poverty Rate

5.42%

Male Poverty Rate

6.73%

Female Poverty Rate

Poverty in Olathe

The race most likely to be in poverty in Olathe is Hispanic, with 14.07% below the poverty level.

The race least likely to be in poverty in Olathe is White, with 4.41% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.42%. Among those working part-time, it was 9.04%, and for those that did not work, the poverty rate was 13.42%.

Olathe Poverty

rate

Rate
Poverty
Less Than 9th Grade20%
High School8.84%
Some College5.22%
Bachelors or Greater2.34%

Olathe Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed24.26%
Male Unemployed15.33%
Female Employed3.3%
Male Employed2.99%

Olathe Poverty Rate by Employment Status and Sex

Olathe Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$118,875$140,325
Households$108,077$126,598
Married Families$132,929$155,912
Non Families$61,074$79,764

mean

median

Income by Household Type

Olathe Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

57.9%

Overall Marriage Rate

59.6%

Male Marriage Rate

56.2%

Female Marriage Rate

Olathe Married by Age and Sex

male

female

Olathe Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Olathe Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Olathe Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

5,529

Number of Veterans

5,171

Male Veterans

358

Female Veterans

War
Veterans
First Gulf War1,924
Vietnam1,814
Second Gulf War1,173
Korea337
World War II87

Olathe Veterans by War

count

Age Group
Veterans
35 to 541,868
65 to 741,418
75+1,087
55 to 64839
18 to 34317

Olathe Veterans by Age

count

Name
Veterans
% of Total
White4,8765.7%
Hispanic4264%
2+ Races2814.94%
Black2404.66%
Other Race994.07%
Asian220.48%
Native American84.21%
Islander323.08%

Olathe Veterans by Race

Olathe Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.52%

Veteran Poverty Rate

23.95%

Veteran Disability Rate

Olathe Veterans by Education

LaborForceParticipation

73.6%

Labor Force Participation

70.9%

Employment Rate

3.2%

Unemployment Rate

Olathe Employment by Age

LaborForceParticipation

Olathe Employment by Race

LaborForceParticipation

Olathe Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

46.48%

Born in Olathe

89.44%

Native Born

10.56%

Foreign Born

5.19%

Non Citizen

5.37%

Naturalized

Place of Birth

89.44% of Olathe residents were born in the United States, with 46.48% having been born in Kansas. 5.19% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Olathe Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029159,2111,9591.25%
2028157,2521,9581.26%
2027155,2941,9581.28%
2026153,3361,9591.29%
2025151,3771,9581.31%
2024149,4191,9581.33%
2023147,4611,8841.29%
2022145,5772,1451.5%
2021143,4321,8461.3%
2020141,5869380.67%
2019140,6486990.5%
2018139,9492,2711.65%
2017137,6781,6381.2%
2016136,0401,6561.23%
2015134,3841,4801.11%
2014132,9041,0570.8%
2013131,8471,8561.43%
2012129,9911,6591.29%
2011128,3322,0791.65%
2010126,25300%
200092,96229,61046.74%
199063,35226,09470.04%
198037,25819,341107.95%
197017,9176,93063.07%
196010,9875,39496.44%
19505,5931,61440.56%
19403,9793238.83%
19303,65638811.87%
19203,268-4-0.12%
19103,272-179-5.19%
19003,4511574.77%
18903,294-155,917-97.93%

Olathe Population by Year