Georgia State Senate District 18

State Legislative District Profile (Upper Chamber)

Overview

District ID
ga-sd-018
State
Georgia
Chamber
Upper chamber (state senate)
District Code
018
Land Area
1,329.2 sq mi
Water Area
12.6 sq mi

Boundary

Boundary of Georgia 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
Monroe County396.09 sq mi29.8%100.0%
Crawford County324.91 sq mi24.4%100.0%
Upson County323.47 sq mi24.3%100.0%
Peach County150.28 sq mi11.3%100.0%
Bibb County112.22 sq mi8.4%45.0%
Houston County22.25 sq mi1.7%5.9%

Showing all 6 counties

Places

PlaceOverlapShare of district landShare of place land
Macon-Bibb County112.22 sq mi8.4%45.0%
Warner Robins city12.15 sq mi0.9%31.4%
Thomaston city9.54 sq mi0.7%100.0%
Salem CDP8.82 sq mi0.7%100.0%
Byron city8.77 sq mi0.7%99.7%
Fort Valley city7.54 sq mi0.6%100.0%
Forsyth city5.88 sq mi0.4%65.2%
Sunset Village CDP4.80 sq mi0.4%100.0%
Hannahs Mill CDP4.32 sq mi0.3%100.0%
The Rock CDP4.16 sq mi0.3%100.0%
Centerville city3.82 sq mi0.3%87.7%
Perry city1.89 sq mi0.1%6.6%
Bolingbroke CDP1.88 sq mi0.1%100.0%
Juliette CDP1.83 sq mi0.1%100.0%
Smarr CDP1.70 sq mi0.1%100.0%
Roberta city1.49 sq mi0.1%100.0%
Musella CDP1.28 sq mi0.1%100.0%
Yatesville town0.86 sq mi0.1%92.7%
Lincoln Park CDP0.86 sq mi0.1%100.0%
Culloden city0.78 sq mi0.1%100.0%
Knoxville CDP0.32 sq mi<0.1%99.9%

Showing all 21 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
GA District 895,44349.8%12.5%34.6%
GA District 268,68235.8%9.0%41.1%
GA District 327,70014.4%3.6%24.3%

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

Voters

Registered Voters
148,884
Active Voters
137,801 (92.6%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202615,612 (10.5%)0 (0.0%)0 (0.0%)
2023–2024101,635 (68.3%)11,974 (8.0%)22,347 (15.0%)
2021–202274,472 (50.0%)0 (0.0%)0 (0.0%)
2019–202090,643 (60.9%)19,767 (13.3%)23,441 (15.7%)
2017–201872,550 (48.7%)8,605 (5.8%)14,827 (10.0%)
2015–201671,564 (48.1%)18,079 (12.1%)26,977 (18.1%)
2013–201445,529 (30.6%)5,590 (3.8%)12,479 (8.4%)
2011–201264,439 (43.3%)11,251 (7.6%)21,688 (14.6%)

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 01/05/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
195,573 (± 3,253)
Median Age
40.0
Median Household Income
$74,840 (± $2,498)
High School Graduate or Higher (age 25+)
90.8%
Bachelor's Degree or Higher (age 25+)
27.7%

Population by Age

GroupPeopleShare
Under 1844,49222.7%
18 to 64116,60459.6%
65 and over34,47717.6%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)12,5106.4%
White, not Hispanic109,32755.9%
Black, not Hispanic60,81731.1%
Asian, not Hispanic3,8592.0%
American Indian / Alaska Native, not Hispanic1810.1%
Native Hawaiian / Pacific Islander, not Hispanic1270.1%
Some other race, not Hispanic8540.4%
Two or more races, not Hispanic7,8984.0%

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
190,905
Citizen Voting Age Population (CVAP)
146,706

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic181,29495.0%
Hispanic9,6125.0%
White110,30957.8%
Black60,75231.8%
Asian2,8021.5%
American Indian / Alaska Native1820.1%
Native Hawaiian / Pacific Islander1120.1%
Two or More Races8940.5%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic141,37296.4%
Hispanic5,3333.6%
White88,45760.3%
Black48,79133.3%
Asian2,2871.6%
American Indian / Alaska Native1,5241.0%
Native Hawaiian / Pacific Islander840.1%
Two or More Races6360.4%

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