Tennessee State Senate District 21

State Legislative District Profile (Upper Chamber)

Overview

District ID
tn-sd-021
State
Tennessee
Chamber
Upper chamber (state senate)
District Code
021
Land Area
62 sq mi
Water Area
0.34 sq mi

Boundary

Boundary of Tennessee State Senate District 21

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Davidson County62.02 sq mi99.9%12.3%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Nashville-Davidson metropolitan government (balance)60.22 sq mi97.0%12.7%
Berry Hill city0.91 sq mi1.5%100.0%
Oak Hill city0.89 sq mi1.4%11.3%
Belle Meade city0.01 sq mi<0.1%0.2%

Showing all 4 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
TN District 5117,44954.4%15.3%63.2%
TN District 785,62339.6%11.2%30.3%
TN District 613,0126.0%1.7%6.5%

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

Voters

Registered Voters
156,820
Active Voters
127,309 (81.2%)

Party Registration

This state's voter file does not record party registration.

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–20240 (0.0%)14,085 (9.0%)9,293 (5.9%)
2021–20220 (0.0%)15,519 (9.9%)4,827 (3.1%)
2019–20200 (0.0%)28,216 (18.0%)7,554 (4.8%)
2017–20180 (0.0%)20,269 (12.9%)9,587 (6.1%)
2015–20160 (0.0%)13,918 (8.9%)9,933 (6.3%)
2013–20140 (0.0%)9,145 (5.8%)4,260 (2.7%)
2011–20120 (0.0%)5,021 (3.2%)5,757 (3.7%)

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 02/06/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
210,231 (± 4,220)
Median Age
31.4
Median Household Income
$80,239 (± $2,662)
High School Graduate or Higher (age 25+)
90.2%
Bachelor's Degree or Higher (age 25+)
57.9%

Population by Age

GroupPeopleShare
Under 1838,19518.2%
18 to 64150,32271.5%
65 and over21,71410.3%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)38,02718.1%
White, not Hispanic124,97659.4%
Black, not Hispanic25,31012.0%
Asian, not Hispanic11,5105.5%
American Indian / Alaska Native, not Hispanic1830.1%
Native Hawaiian / Pacific Islander, not Hispanic1150.1%
Some other race, not Hispanic1,5410.7%
Two or more races, not Hispanic8,5694.1%

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
183,996
Citizen Voting Age Population (CVAP)
150,178

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic161,50787.8%
Hispanic22,49212.2%
White124,40567.6%
Black23,05212.5%
Asian7,4574.1%
American Indian / Alaska Native1830.1%
Native Hawaiian / Pacific Islander1370.1%
Two or More Races6510.4%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic139,67393.0%
Hispanic10,5057.0%
White109,80873.1%
Black20,58813.7%
Asian7,5415.0%
American Indian / Alaska Native1,2210.8%
Native Hawaiian / Pacific Islander1100.1%
Two or More Races4760.3%

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