Tennessee State Senate District 18

State Legislative District Profile (Upper Chamber)

Overview

District ID
tn-sd-018
State
Tennessee
Chamber
Upper chamber (state senate)
District Code
018
Land Area
643.8 sq mi
Water Area
16.1 sq mi

Boundary

Boundary of Tennessee State Senate District 18

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Sumner County529.46 sq mi82.2%100.0%
Trousdale County114.34 sq mi17.8%100.0%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Hartsville/Trousdale County114.34 sq mi17.8%100.0%
Gallatin city32.17 sq mi5.0%91.3%
Hendersonville city31.42 sq mi4.9%99.2%
Portland city12.86 sq mi2.0%84.9%
Millersville city11.55 sq mi1.8%83.6%
Goodlettsville city7.87 sq mi1.2%54.7%
Castalian Springs CDP5.82 sq mi0.9%100.0%
Shackle Island CDP5.54 sq mi0.9%100.0%
Walnut Grove CDP4.82 sq mi0.7%83.7%
White House city4.74 sq mi0.7%40.2%
Westmoreland town4.18 sq mi0.6%88.8%
Bransford CDP4.03 sq mi0.6%100.0%
Cottontown CDP3.51 sq mi0.5%100.0%
Graball CDP2.01 sq mi0.3%100.0%
New Deal CDP1.89 sq mi0.3%100.0%
Bethpage CDP1.33 sq mi0.2%100.0%
Oak Grove CDP1.28 sq mi0.2%28.3%
Fairfield CDP0.99 sq mi0.2%100.0%
Mitchellville city0.54 sq mi0.1%100.0%

Showing all 19 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 6207,896100.0%27.1%100.0%

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

Voters

Registered Voters
146,108
Active Voters
140,511 (96.2%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–20240 (0.0%)5,020 (3.4%)29,256 (20.0%)
2021–20220 (0.0%)4,880 (3.3%)21,421 (14.7%)
2019–20200 (0.0%)12,019 (8.2%)21,072 (14.4%)
2017–20180 (0.0%)6,133 (4.2%)22,359 (15.3%)
2015–20160 (0.0%)5,444 (3.7%)22,846 (15.6%)
2013–20140 (0.0%)2,652 (1.8%)16,350 (11.2%)
2011–20120 (0.0%)2,600 (1.8%)17,034 (11.7%)

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
216,381
Median Age
39.5
Median Household Income
$89,427 (± $2,597)
High School Graduate or Higher (age 25+)
91.9%
Bachelor's Degree or Higher (age 25+)
32.5%

Population by Age

GroupPeopleShare
Under 1849,20522.7%
18 to 64131,67060.9%
65 and over35,50616.4%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)15,2647.1%
White, not Hispanic170,19378.7%
Black, not Hispanic18,3928.5%
Asian, not Hispanic3,2451.5%
American Indian / Alaska Native, not Hispanic1700.1%
Native Hawaiian / Pacific Islander, not Hispanic700.0%
Some other race, not Hispanic1,3020.6%
Two or more races, not Hispanic7,7453.6%

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
211,478
Citizen Voting Age Population (CVAP)
162,755

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic199,41194.3%
Hispanic12,0665.7%
White173,56082.1%
Black18,3978.7%
Asian2,4531.2%
American Indian / Alaska Native1730.1%
Native Hawaiian / Pacific Islander880.0%
Two or More Races5670.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic155,84595.8%
Hispanic6,9094.2%
White137,36684.4%
Black14,4818.9%
Asian2,2641.4%
American Indian / Alaska Native1,5881.0%
Native Hawaiian / Pacific Islander880.1%
Two or More Races2490.2%

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