Olathe Flag

Olathe

County:
Johnson County
County Seat:
Yes
Area (mi²):
9.553
State:
Kansas

Olathe is located in Johnson County, Kansas. Olathe has a 2025 population of 908 . It is also the county seat of Johnson County . Olathe is currently growing at a rate of 0.55% annually and its population has increased by 1.23% since the most recent census, which recorded a population of 897 in 2020.

The average household income in Olathe is $120,136 with a poverty rate of 1.93%. The median age in Olathe is 55.6 years: 53 years for males, and 55.6 years for females. For every 100 females there are 97.3 males.

908
Total Population
95
Density (mi²)
5 0.55%
Growth

Olathe Population

Olathe Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Olathe includes 98.26% White, and smaller percentages for other race and multiracial populations.

Population by Race

White (98.26%)

Other race (1.74%)

Race
Population
Percentage (of total)
White50898.26%
Other race91.74%

Olathe Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Olathe's average per capita income is $48,583. Household income levels show a median of $131,333. The poverty rate stands at 1.93%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$149,167-
Families$148,681$144,958
Households$131,333$120,136
Non Families--

$48,583

Average Income

$131,333

Median Household Income

1.93%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)