New Hampshire State House District Hillsborough 12

State Legislative District Profile (Lower Chamber)

Overview

District ID
nh-hd-512
State
New Hampshire
Chamber
Lower chamber
District Code
512
Land Area
32.6 sq mi
Water Area
0.84 sq mi

Boundary

Boundary of New Hampshire State House District Hillsborough 12

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Hillsborough County32.58 sq mi100.0%3.7%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
East Merrimack CDP3.37 sq mi10.3%99.9%
Nashua city0.00 sq mi<0.1%<0.1%

Showing all 2 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
NH District 126,632100.0%3.9%100.0%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
20,134
Active Voters
20,134 (100.0%)

Party Registration

PartyVotersShare
Democratic4,96424.7%
Republican7,02834.9%
Unaffiliated8,14240.4%
Other parties00.0%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202631 (0.2%)0 (0.0%)0 (0.0%)
2023–202417,740 (88.1%)3,153 (15.7%)7,327 (36.4%)
2021–202212,482 (62.0%)1,255 (6.2%)2,876 (14.3%)
2019–202015,543 (77.2%)5,571 (27.7%)4,117 (20.4%)
2017–201810,433 (51.8%)1,825 (9.1%)1,606 (8.0%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

Browse the voter list for this district (premium access; sign-in required)

Source: Civitech voter file snapshot as of 04/14/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
28,164 (± 27)
Median Age
41.5
Median Household Income
$127,219 (± $16,220)
High School Graduate or Higher (age 25+)
97.1%
Bachelor's Degree or Higher (age 25+)
50.2%

Population by Age

GroupPeopleShare
Under 186,18822.0%
18 to 6417,25361.3%
65 and over4,72316.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)1,0793.8%
White, not Hispanic24,44586.8%
Black, not Hispanic1710.6%
Asian, not Hispanic1,3494.8%
American Indian / Alaska Native, not Hispanic00.0%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic1990.7%
Two or more races, not Hispanic9213.3%

Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.

Citizen Voting Age Population

Total Citizen Population
27,745
Citizen Voting Age Population (CVAP)
21,561

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic26,67696.1%
Hispanic1,0673.8%
White24,59488.6%
Black1940.7%
Asian1,1704.2%
American Indian / Alaska Native20.0%
Native Hawaiian / Pacific Islander00.0%
Two or More Races750.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic20,75896.3%
Hispanic8033.7%
White19,33189.7%
Black3171.5%
Asian8854.1%
American Indian / Alaska Native2661.2%
Native Hawaiian / Pacific Islander10.0%
Two or More Races360.2%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).