With 2,993 people, Henniker is a city in New Hampshire. The median age is 22.3, younger than the US median of 38.9. Since 2000 the city has more than doubled, up 1,366 people. Owners hold 47% of the housing stock. 0% of residents were born outside the United States. 24% of adults hold a bachelor's degree or higher.
At a glance
Lower income
median household income $76,326, below the US median
US median: $82,259
Younger
median age 22.3
US median: 38.9
Less educated
24% hold a bachelor's degree
US average: 36%
Less affordable
home values up 40%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Henniker
What changed most since 1990
Adults with a bachelor's degree37.5% → 24.4%(−13.1 pts)US over the same years: +15.3 pts
Homes owned by their occupants59.5% → 47.1%(−12.3 pts)US over the same years: +0.9 pts
Poverty rate8.7% → 17.5%(+8.8 pts)US over the same years: −0.8 pts
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)0%(0)
US avg: 26.4%
Gulf War (1990s)0%(0)
US avg: 24.3%
Vietnam era100%(9)
US avg: 33.1%
Korean War0%(0)
US avg: 4.5%
World War II0%(0)
US avg: 1%
Share of the 9 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Henniker, decade by decade
Henniker population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
1,734
$73,387
$308,889
37.5%
1.1
2000
1,627
$72,866
$212,223
44.5%
13.8
2010
1,747
$115,317
$340,078
61.3%
20.1
2020
3,166
$116,881
$288,586
32.9%
41.4
2024
2,993
$76,326
$296,400
24.4%
27.7
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
