City in Butler County, Kansas · 11 sq mi · 1,624 people per sq mi
17,878 people live in Andover. The typical household earns $104,787, and the median resident is 35.9 years old.
2026 projection
From 14,892 in 2020
Poverty rate 4.59%
Men 33.5 · Women 37.4
1960–2026
17,878
2026 projection
20.1% since 2020 (increase)
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.
1960–2026
17,878
2026 projection
20.1% since 2020 (increase)
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 | 17,878 | +508 | 2.92% |
|---|---|---|---|
| 2025 | 17,370 | +363 | 2.13% |
| 2024 | 17,007 | +1,195 | 7.56% |
| 2023 | 15,812 | +180 | 1.15% |
| 2022 | 15,632 | +239 | 1.55% |
| 2021 | 15,393 | +501 | 3.36% |
| 2020 | 14,892 | +302 | 2.07% |
| 2019 | 14,590 | +239 | 1.67% |
| 2018 | 14,351 | +307 | 2.19% |
| 2017 | 14,044 | +334 | 2.44% |
Showing 10 of 22 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.
Andover is growing faster than Butler County, Kansas, 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 160 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 22 residents
64% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 64% | 65% | 64% |
| Never married | 24% | 27% | 21% |
| Divorced | 8% | 6% | 9% |
| Widowed | 3% | 1% | 5% |
| Separated | <1% | <1% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources