Town in Montrose County, Colorado · 1.5 sq mi · 1,274 people per sq mi
1,914 people live in Olathe. The typical household earns $55,767, and the median resident is 37.8 years old.
2026 projection
From 2,019 in 2020
Poverty rate 25.5%
Men 37.3 · Women 41.3
2010–2026
1,914
2026 projection
5.2% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
1,914
2026 projection
5.2% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 1,914 | -13 | 0.67% |
|---|---|---|---|
| 2025 | 1,927 | -22 | 1.13% |
| 2024 | 1,949 | -6 | 0.31% |
| 2023 | 1,955 | -9 | 0.46% |
| 2022 | 1,964 | -9 | 0.46% |
| 2021 | 1,973 | -46 | 2.28% |
| 2020 | 2,019 | +20 | 1.00% |
| 2019 | 1,999 | +8 | 0.40% |
| 2018 | 1,991 | +38 | 1.95% |
| 2017 | 1,953 | +31 | 1.61% |
Showing 10 of 17 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Olathe has a population change lower than Montrose County, Colorado, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 18 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 4 residents
43% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 43% | 46% | 40% |
| Never married | 31% | 34% | 27% |
| Divorced | 13% | 13% | 13% |
| Widowed | 10% | 2% | 20% |
| Separated | 3% | 5% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources