Borough in Lancaster County, Pennsylvania · 0.7 sq mi · 4,032 people per sq mi
About 3,000 people live in Marietta. The typical household earns $54,167, and the median resident is 45.5 years old.
2026 projection
From 2,619 in 2020
Poverty rate 7.29%
Men 46.6 · Women 44.3
1840–2026
3,011
2026 projection
15% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1840–2026
3,011
2026 projection
15% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 3,011 | +80 | 2.73% |
|---|---|---|---|
| 2025 | 2,931 | -9 | 0.31% |
| 2024 | 2,940 | -15 | 0.51% |
| 2023 | 2,955 | -3 | 0.10% |
| 2022 | 2,958 | -10 | 0.34% |
| 2021 | 2,968 | +349 | 13.33% |
| 2020 | 2,619 | +16 | 0.61% |
| 2019 | 2,603 | -8 | 0.31% |
| 2018 | 2,611 | -4 | 0.15% |
| 2017 | 2,615 | -1 | 0.04% |
Showing 10 of 34 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 29 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 14 residents
51% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 51% | 51% | 51% |
| Never married | 28% | 31% | 23% |
| Divorced | 13% | 13% | 14% |
| Widowed | 7% | 4% | 12% |
| Separated | 1% | 1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau