Olathe, KS Profile: Facts, Map & Data


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Olathe, Kansas - Basic Facts

The City of Olathe is the 4th largest city in Kansas with a population of 138,786 as of July 1, 2017. Olathe ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Kansas. See peer rankings below.

The primary coordinate point for Olathe is located at latitude 38.8843 and longitude -94.8195 in Johnson County. The formal boundaries for the City of Olathe (see map below) encompass a land area of 60.1 sq. miles and a water area of 0.75 sq. miles. Johnson County is in the Central time zone (GMT -6). The elevation is 1,037 feet.

The City of Olathe (GNIS ID: 485633) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Olathe population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Olathe, KS Boundary Map

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Olathe, KS Data & Demographics (As of July 1, 2017)


Total Population 138,786
Daytime Population: Workers 57,028
Daytime Population: Residents 66,568
Total Daytime Population (TDP) 123,596
Ratio TDP/Total Population1 0.89
Population in Households 137,388
Population in Familes 118,691
Population in Group Qrtrs 1,398
Population Density2 2,309
Diversity Index3 46


Median Household Income $81,623
Average Household Income $98,818
Per Capita Income $34,871


Total Housing Units 50,767 (100%)
Owner Occupied HU 35,197 (69.3%)
Renter Occupied HU 13,423 (26.4%)
Vacant Housing Units 2,148 ( 4.2%)
Median Home Value $212,147
Average Home Value $245,086


Total Households 48,619
Average Household Size 2.83
Family Households 36,136
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.36% 1.28%
Households 1.23% 1.22%
Families 1.14% 1.17%
Median Household Income   1.95%
Per Capita Income   2.34%

Olathe, KS - Peer Comparisons by Rank and Percentile

The table below compares Olathe to the other 671 incorporated cities, towns and CDPs in Kansas by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 4 100th
Population Density # 22 97th
Diversity Index # 57 92nd
Median Household Income # 14 98th
Per Capita Income # 44 94th

Additional comparisons and rankings can be made with a VERY EASY TO USE Kansas Census Data Comparison Tool.

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