New Hampshire State Senate District 20

State Legislative District Profile (Upper Chamber)

Overview

District ID
nh-sd-020
State
New Hampshire
Chamber
Upper chamber (state senate)
District Code
020
Land Area
12.8 sq mi
Water Area
0.55 sq mi

Boundary

Boundary of New Hampshire State Senate District 20

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Hillsborough County12.85 sq mi100.0%1.5%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Manchester city12.85 sq mi100.0%38.8%

Showing all 1 place

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 157,841100.0%8.4%100.0%

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

Voters

Registered Voters
31,820
Active Voters
31,820 (100.0%)

Party Registration

PartyVotersShare
Democratic10,07531.7%
Republican8,50826.7%
Unaffiliated13,23741.6%
Other parties00.0%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–2026<10 (—)0 (0.0%)0 (0.0%)
2023–202425,484 (80.1%)5,528 (17.4%)8,368 (26.3%)
2021–202216,265 (51.1%)2,700 (8.5%)3,283 (10.3%)
2019–202022,219 (69.8%)9,338 (29.3%)4,867 (15.3%)
2017–201814,605 (45.9%)3,737 (11.7%)2,324 (7.3%)

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
58,021 (± 2,026)
Median Age
36.6
Median Household Income
$75,849 (± $3,319)
High School Graduate or Higher (age 25+)
90.5%
Bachelor's Degree or Higher (age 25+)
36.3%

Population by Age

GroupPeopleShare
Under 1810,51818.1%
18 to 6438,69466.7%
65 and over8,80915.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)7,44612.8%
White, not Hispanic41,02670.7%
Black, not Hispanic3,2615.6%
Asian, not Hispanic2,5364.4%
American Indian / Alaska Native, not Hispanic410.1%
Native Hawaiian / Pacific Islander, not Hispanic250.0%
Some other race, not Hispanic4100.7%
Two or more races, not Hispanic3,2765.6%

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
54,281
Citizen Voting Age Population (CVAP)
44,098

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic48,08788.6%
Hispanic6,19311.4%
White41,75276.9%
Black2,9965.5%
Asian1,3082.4%
American Indian / Alaska Native390.1%
Native Hawaiian / Pacific Islander240.0%
Two or More Races850.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic40,77492.5%
Hispanic3,3227.5%
White36,59483.0%
Black2,4455.5%
Asian1,2752.9%
American Indian / Alaska Native4531.0%
Native Hawaiian / Pacific Islander210.0%
Two or More Races360.1%

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