Olathe, Kansas Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Olathe, KS Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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A
Health Above average
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B
Income Around average
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A
Education Above average
Source: Map AI Methodology
Population
| Metric | Olathe | Kansas Avg | U.S. Average |
|---|---|---|---|
| Population | 134,319 | 2,945,842 | 337,468,954 |
| Population density (per sq mi) | 2060.7 | 35.8 | 86.4 |
| Population growth (%/yr) | 1.05% | 0.19% | 0.59% |
| Median age | 38.7 | 38.7 | 37.3 |
| Households | 49,536 | 1,173,585 | 130,235,071 |
Population in Olathe grew by 22.3% from 2009 to 2024, reaching 134,319 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Olathe is Millennials, aged 29–44, at 24.6% of residents. That is 3.8 points above Kansas as a whole.
- Gen Z 13–28 29,049 21.6% -1.2 pts
- Millennials 29–44 33,082 24.6% +3.8 pts
- Gen X 45–60 27,502 20.5% +1.7 pts
- Boomers 61–79 15,686 11.7% -5.0 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Kansas, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.5% of the people living in Olathe and men 49.5%.
- Women 50.5% Kansas 50.0%
- Men 49.5% Kansas 50.0%
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Economy
Olathe has a the economy index of B, which means it is quite prosperous.
| Metric | Olathe | Kansas Avg | U.S. Average |
|---|---|---|---|
| Median household income | $111,037 | $74,287 | $80,455 |
| Income growth (%/yr) | 4.62% | 4.08% | 4.80% |
| Unemployment rate | 2.7% | 3.8% | 5.2% |
The median household income in Olathe is about 49% higher than in Kansas.
Housing
| Metric | Olathe | Kansas Avg | U.S. Average |
|---|---|---|---|
| Median home price | $368,591 | $104,644 | $248,835 |
| Median rent | $1,304 | $1,060 | $1,407 |
| Homeownership rate | 73.7% | 67.1% | 65.2% |
The median home price in Olathe is about 23.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,304 per month for that long.
Commute Time & Mobility
Commuters in Olathe spend about 38 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 158 hours, about 6.6 full days, spent commuting.
| Metric | Olathe | Kansas Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 18.9 | 17.2 | 22.4 |
| Round-trip commute (min) | 37.8 | 34.4 | 44.8 |
| Yearly time spent (hours) | 158 | 143 | 187 |
| Estimated yearly cost | $4,884 | $4,448 | $5,790 |
| Work from home | 20.6% | 11.8% | 15.0% |
| Highway traffic (vehicles/day) | 13,366 | 4,500 | 8,813 |
| Local road traffic (vehicles/day) | 2,539 | 662 | 1,355 |
The average commute time in Olathe is 19 minutes, longer than the 17 minutes in Kansas.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Olathe has a education index of A, which means it is very educated.
| Metric | Olathe | Kansas Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 46.0% | 31.5% | 31.6% |
| Average household size | 2.66 | 2.44 | 2.53 |
Health
Olathe has a health index of A, which means it is very healthy.
| Metric | Olathe | Kansas Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.2 | 78.6 | 78.3 |
| Self-rated poor health | 9.8% | 15.3% | 16.3% |
| Smokers | 14.4% | 18.7% | 19.0% |
Olathe, KS Compared With Nearby Cities
Olathe, KS is the 2nd largest of the 4 cities compared here, 134,319 residents against a local median of 69,410. Olathe, KS's median home price, at $368,591, runs 30% above the $282,783 typical of the cities around it.
The cities themselves spread $174,797 on median home price, so Olathe, KS sits at one end of an already wide local range rather than apart from it. Olathe, KS has the highest median home price of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Olathe, KS | 134,319 | $111,037 #1/4 | $368,591 #1/4 | 18.9 min #3/4 |
| Lenexa, KS | 56,224 | $105,208 | $329,760 | 18.4 min |
| Overland Park, KS | 197,762 | $106,626 | $154,964 | 18.6 min |
| Shawnee, KS | 69,410 | $106,979 | $282,783 | 21.3 min |
Frequently Asked Questions
Common questions about Olathe, Kansas.
How many people live in Olathe, Kansas?
About 134,319 people live in Olathe, Kansas, in 49,536 households of 2.7 people on average. The median age is 38.7, close to the U.S. median of 37.3.
Is Olathe, Kansas mostly urban or rural?
Averaged over its land area, Olathe, Kansas has 2,061 people per square mile, a density typical of urban and suburban areas. That is about 24 times the U.S. average of 86.
Can a typical household afford a home in Olathe, Kansas?
The median home costs 3.3 times the median household income ($368,591 against $111,037), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,304 a month takes about 14% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Olathe, Kansas?
Unemployment in Olathe, Kansas is only 2.7%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How educated are people in Olathe, Kansas?
46.0% of adults in Olathe, Kansas hold a bachelor's degree or higher (about 1 in 2), well above the U.S. share of 31.6%.
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