CDP in Merrimack County, New Hampshire · 1.4 sq mi · 2,218 people per sq mi
About 3,100 people live in Henniker. The typical household earns $76,326, and the median resident is 22.3 years old.
2026 projection
From 2,566 in 2020
Poverty rate 17.46%
Men 22.5 · Women 21.9
2011–2026
3,141
2026 projection
22.4% 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
3,141
2026 projection
22.4% 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 | 3,141 | +87 | 2.85% |
|---|---|---|---|
| 2025 | 3,054 | +174 | 2.98% |
| 2023 | 2,880 | +139 | 5.07% |
| 2022 | 2,741 | +59 | 2.20% |
| 2021 | 2,682 | +116 | 4.52% |
| 2020 | 2,566 | +810 | 46.13% |
| 2019 | 1,756 | -42 | 2.34% |
| 2018 | 1,798 | +23 | 1.30% |
| 2017 | 1,775 | +177 | 11.08% |
| 2016 | 1,598 | -25 | 1.54% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 30 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
28% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 28% | 25% | 32% |
| Never married | 65% | 73% | 55% |
| Divorced | 5% | 2% | 9% |
| Widowed | 2% | 0% | 5% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau