Borough in Northumberland County, Pennsylvania · 1.6 sq mi · 2,348 people per sq mi
About 3,800 people live in Northumberland. The typical household earns $66,477, and the median resident is 41 years old.
2026 projection
From 3,885 in 2020
Poverty rate 17.14%
Men 38.5 · Women 43
1830–2026
3,781
2026 projection
2.7% since 2020 (decrease)
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.
1830–2026
3,781
2026 projection
2.7% since 2020 (decrease)
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 | 3,781 | -19 | 0.50% |
|---|---|---|---|
| 2025 | 3,800 | -10 | 0.26% |
| 2024 | 3,810 | -6 | 0.16% |
| 2023 | 3,816 | -18 | 0.47% |
| 2022 | 3,834 | -34 | 0.88% |
| 2021 | 3,868 | -17 | 0.44% |
| 2020 | 3,885 | +293 | 8.16% |
| 2019 | 3,592 | -20 | 0.55% |
| 2018 | 3,612 | -32 | 0.88% |
| 2017 | 3,644 | -30 | 0.82% |
Showing 10 of 35 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 39 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 6 residents
44% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 44% | 45% | 42% |
| Never married | 29% | 35% | 23% |
| Divorced | 17% | 13% | 22% |
| Widowed | 7% | 4% | 10% |
| Separated | 3% | 3% | 4% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau