Borough in Franklin County, Pennsylvania · 0.9 sq mi · 1,651 people per sq mi
1,489 people live in Mercersburg. The typical household earns $66,114, and the median resident is 45.5 years old.
2026 projection
From 1,507 in 2020
Poverty rate 10.44%
Men 44.2 · Women 45.7
2010–2026
1,489
2026 projection
1.2% 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
1,489
2026 projection
1.2% 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 | 1,489 | -3 | 0.20% |
|---|---|---|---|
| 2025 | 1,492 | -2 | 0.13% |
| 2024 | 1,494 | -4 | 0.27% |
| 2023 | 1,498 | +2 | 0.13% |
| 2022 | 1,496 | -5 | 0.33% |
| 2021 | 1,501 | -6 | 0.40% |
| 2020 | 1,507 | -8 | 0.53% |
| 2019 | 1,515 | -5 | 0.33% |
| 2018 | 1,520 | -9 | 0.59% |
| 2017 | 1,529 | -4 | 0.26% |
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.
Mercersburg has a population change lower than Franklin County, Pennsylvania, 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 17 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 10 residents
44% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 44% | 48% | 40% |
| Never married | 32% | 35% | 29% |
| Divorced | 12% | 8% | 15% |
| Widowed | 9% | 5% | 12% |
| Separated | 4% | 4% | 4% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources