City in Marion County, Kansas · 2.4 sq mi · 1,079 people per sq mi
2,632 people live in Hillsboro. The typical household earns $63,462, and the median resident is 30.4 years old.
2026 projection
From 2,732 in 2020
Poverty rate 8.95%
Men 28.1 · Women 36
1880–2026
2,632
2026 projection
3.7% 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.
1880–2026
2,632
2026 projection
3.7% 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 | 2,632 | -14 | 0.53% |
|---|---|---|---|
| 2025 | 2,646 | -22 | 0.82% |
| 2024 | 2,668 | -29 | 1.08% |
| 2023 | 2,697 | -10 | 0.37% |
| 2022 | 2,707 | 0 | 0.00% |
| 2021 | 2,707 | -25 | 0.92% |
| 2020 | 2,732 | -39 | 1.41% |
| 2019 | 2,771 | -20 | 0.72% |
| 2018 | 2,791 | -19 | 0.68% |
| 2017 | 2,810 | -20 | 0.71% |
Showing 10 of 30 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.
Hillsboro has a population change lower than Marion 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 27 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 11 residents
47% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 47% | 48% | 46% |
| Never married | 37% | 45% | 29% |
| Divorced | 10% | 4% | 16% |
| Widowed | 5% | 2% | 9% |
| Separated | <1% | 1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources