City in Montgomery County, Ohio · 12.3 sq mi · 1,214 people per sq mi
14,977 people live in Vandalia. The typical household earns $73,275, and the median resident is 39.6 years old.
2026 projection
From 15,209 in 2020
Poverty rate 8.97%
Men 37.9 · Women 39.9
1850–2026
14,977
2026 projection
1.5% 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.
1850–2026
14,977
2026 projection
1.5% 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 | 14,977 | -37 | 0.25% |
|---|---|---|---|
| 2025 | 15,014 | +63 | 0.42% |
| 2024 | 14,951 | +53 | 0.36% |
| 2023 | 14,898 | -10 | 0.07% |
| 2022 | 14,908 | -138 | 0.92% |
| 2021 | 15,046 | -163 | 1.07% |
| 2020 | 15,209 | +12 | 0.08% |
| 2019 | 15,197 | -6 | 0.04% |
| 2018 | 15,203 | 0 | 0.00% |
| 2017 | 15,203 | -1 | 0.01% |
Showing 10 of 32 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.
Vandalia has a population change lower than Montgomery County, Ohio, 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 151 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
50% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 50% | 52% | 49% |
| Never married | 27% | 30% | 25% |
| Divorced | 14% | 13% | 14% |
| Widowed | 8% | 4% | 12% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources