Olathe, KS Profile: Facts & Data


Olathe Local Links & Resources:
Hotels | Resources | ALL Olathe Content

Also See: Olathe, KS ZIP Codes & ZIP Code Maps | Local Area Photos

Olathe, Kansas - Basic Facts

The City of Olathe is the 4th largest city in Kansas with a population of 138,417 as of July 1, 2018. 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.

Jump to... (On This Page!)
  1. Olathe 2018 Demographic Data
  2. Growth Rates for Olathe (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Kansas Research Tools (Easy Tools & Current Data)
  3. Kansas Data Comparison Tool - 2018 Demographics

Research a Kansas Address and get...

Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Olathe, KS Data & Demographics (As of July 1, 2018)


Total Population 138,417
Population in Households 137,019
Population in Familes 118,570
Population in Group Qrtrs 1,398
Population Density2 2,303
Diversity Index3 46


Median Household Income $83,638
Average Household Income $102,140
Per Capita Income $36,030


Total Housing Units 50,863 (100%)
Owner Occupied HU 34,702 (68.2%)
Renter Occupied HU 13,780 (27.1%)
Vacant Housing Units 2,381 ( 4.7%)
Median Home Value $215,780
Average Home Value $253,107


Total Households 48,482
Average Household Size 2.83
Family Households 35,937
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 1.16% 1.17%
Households 1.04% 1.1%
Families 0.94% 1.04%
Median Household Income   2.02%
Per Capita Income   2.21%

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, 2018 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 # 23 97th
Diversity Index # 58 92nd
Median Household Income # 13 98th
Per Capita Income # 30 96th

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

Quick & Easy Ways to...

  1. Get Current Demographic Data for Cities, Towns, and ZIP Codes
  2. View Boundary Maps, for Cities, Towns, and ZIP Codes
  3. Locate Physical, Cultural, and Historical Features
  4. Research Public Schools & Attendance Zones

Kansas Census Data Comparison Tool

Compare Kansas July 1, 2018 Data
Highest or Lowest: