New Hampshire State Senate District 4

State Legislative District Profile (Upper Chamber)

Overview

District ID
nh-sd-004
State
New Hampshire
Chamber
Upper chamber (state senate)
District Code
004
Land Area
90.5 sq mi
Water Area
4.75 sq mi

Boundary

Boundary of New Hampshire State Senate District 4

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Strafford County90.47 sq mi100.0%24.6%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Dover city26.73 sq mi29.5%100.0%
Somersworth city9.80 sq mi10.8%100.0%

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 156,519100.0%8.2%100.0%

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

Voters

Registered Voters
39,930
Active Voters
39,930 (100.0%)

Party Registration

PartyVotersShare
Democratic14,37336.0%
Republican10,31625.8%
Unaffiliated15,24138.2%
Other parties00.0%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20262,754 (6.9%)0 (0.0%)0 (0.0%)
2023–202434,351 (86.0%)8,664 (21.7%)10,836 (27.1%)
2021–202220,840 (52.2%)4,228 (10.6%)4,083 (10.2%)
2019–202029,664 (74.3%)13,632 (34.1%)5,826 (14.6%)
2017–201820,661 (51.7%)5,312 (13.3%)2,754 (6.9%)

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
57,590 (± 39)
Median Age
37.7
Median Household Income
$89,419 (± $6,579)
High School Graduate or Higher (age 25+)
96.2%
Bachelor's Degree or Higher (age 25+)
45.6%

Population by Age

GroupPeopleShare
Under 1810,77318.7%
18 to 6437,51765.1%
65 and over9,30016.1%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,2333.9%
White, not Hispanic48,97885.0%
Black, not Hispanic8581.5%
Asian, not Hispanic1,9303.4%
American Indian / Alaska Native, not Hispanic70.0%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic3720.6%
Two or more races, not Hispanic3,2125.6%

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
56,303
Citizen Voting Age Population (CVAP)
45,599

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic54,16796.2%
Hispanic2,1353.8%
White49,97988.8%
Black7001.2%
Asian1,3102.3%
American Indian / Alaska Native50.0%
Native Hawaiian / Pacific Islander00.0%
Two or More Races3680.7%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic44,14696.8%
Hispanic1,4563.2%
White40,87889.6%
Black9762.1%
Asian1,7843.9%
American Indian / Alaska Native2780.6%
Native Hawaiian / Pacific Islander40.0%
Two or More Races2200.5%

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