City in Clinton County, Indiana · 9.8 sq mi · 1,709 people per sq mi
16,828 people live in Frankfort. The typical household earns $57,412, and the median resident is 33.2 years old.
2026 projection
From 16,715 in 2020
Poverty rate 12.86%
Men 32.2 · Women 34.5
1850–2026
16,828
2026 projection
0.7% 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.
1850–2026
16,828
2026 projection
0.7% 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 | 16,828 | -9 | 0.05% |
|---|---|---|---|
| 2025 | 16,837 | -5 | 0.03% |
| 2024 | 16,842 | +76 | 0.45% |
| 2023 | 16,766 | +107 | 0.64% |
| 2022 | 16,659 | -96 | 0.57% |
| 2021 | 16,755 | +40 | 0.24% |
| 2020 | 16,715 | +34 | 0.20% |
| 2019 | 16,681 | +147 | 0.89% |
| 2018 | 16,534 | +112 | 0.68% |
| 2017 | 16,422 | +82 | 0.50% |
Showing 10 of 33 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.
Frankfort has a population change lower than Clinton County, Indiana, 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 159 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 8 residents
41% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 41% | 42% | 40% |
| Never married | 36% | 40% | 33% |
| Divorced | 14% | 13% | 15% |
| Widowed | 7% | 3% | 10% |
| Separated | 2% | 2% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources