CDP in Rockingham County, New Hampshire · 12.2 sq mi · 1,031 people per sq mi
About 13,000 people live in Londonderry. The typical household earns $119,571, and the median resident is 42.4 years old.
2026 projection
From 12,053 in 2020
Poverty rate 2.91%
Men 41.3 · Women 43.2
2011–2026
12,600
2026 projection
4.5% 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.
2011–2026
12,600
2026 projection
4.5% 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 | 12,600 | +98 | 0.78% |
|---|---|---|---|
| 2025 | 12,502 | +195 | 0.79% |
| 2023 | 12,307 | +164 | 1.35% |
| 2022 | 12,143 | +188 | 1.57% |
| 2021 | 11,955 | -98 | 0.81% |
| 2020 | 12,053 | +212 | 1.79% |
| 2019 | 11,841 | +376 | 3.28% |
| 2018 | 11,465 | +152 | 1.34% |
| 2017 | 11,313 | +264 | 2.39% |
| 2016 | 11,049 | +320 | 2.98% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 122 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 34 residents
53% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 53% | 55% | 50% |
| Never married | 33% | 37% | 29% |
| Divorced | 8% | 6% | 10% |
| Widowed | 6% | 2% | 9% |
| Separated | 1% | <1% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau