Georgia State Senate District 40

State Legislative District Profile (Upper Chamber)

Overview

District ID
ga-sd-040
State
Georgia
Chamber
Upper chamber (state senate)
District Code
040
Land Area
51.7 sq mi
Water Area
0.47 sq mi

Boundary

Boundary of Georgia State Senate District 40

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
DeKalb County42.92 sq mi83.0%16.0%
Gwinnett County8.84 sq mi17.1%2.0%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Dunwoody city13.03 sq mi25.2%100.0%
Brookhaven city8.71 sq mi16.8%71.1%
Peachtree Corners city8.08 sq mi15.6%50.1%
Chamblee city7.69 sq mi14.9%100.0%
Doraville city4.91 sq mi9.5%98.2%
Norcross city0.64 sq mi1.2%10.4%
Tucker city0.16 sq mi0.3%0.8%
Atlanta city0.00 sq mi<0.1%<0.1%

Showing all 8 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 4170,94689.7%22.3%92.7%
GA District 519,59810.3%2.6%7.3%

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

Voters

Registered Voters
117,129
Active Voters
102,276 (87.3%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202617,494 (14.9%)0 (0.0%)0 (0.0%)
2023–202482,085 (70.1%)13,052 (11.1%)8,512 (7.3%)
2021–202262,646 (53.5%)0 (0.0%)0 (0.0%)
2019–202073,127 (62.4%)22,794 (19.5%)9,065 (7.7%)
2017–201856,335 (48.1%)9,874 (8.4%)5,996 (5.1%)
2015–201654,459 (46.5%)12,318 (10.5%)16,993 (14.5%)
2013–201432,200 (27.5%)3,296 (2.8%)6,848 (5.8%)
2011–201243,375 (37.0%)7,142 (6.1%)14,754 (12.6%)

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
194,609 (± 3,750)
Median Age
35.2
Median Household Income
$93,173 (± $4,164)
High School Graduate or Higher (age 25+)
89.7%
Bachelor's Degree or Higher (age 25+)
59.3%

Population by Age

GroupPeopleShare
Under 1845,05623.2%
18 to 64127,11865.3%
65 and over22,43511.5%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)43,76622.5%
White, not Hispanic82,47942.4%
Black, not Hispanic37,67519.4%
Asian, not Hispanic21,92511.3%
American Indian / Alaska Native, not Hispanic1460.1%
Native Hawaiian / Pacific Islander, not Hispanic420.0%
Some other race, not Hispanic1,3900.7%
Two or more races, not Hispanic7,1863.7%

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
164,642
Citizen Voting Age Population (CVAP)
122,383

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic139,39584.7%
Hispanic25,24615.3%
White82,50650.1%
Black36,30822.1%
Asian14,5328.8%
American Indian / Alaska Native1440.1%
Native Hawaiian / Pacific Islander420.0%
Two or More Races8060.5%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic110,66290.4%
Hispanic11,7229.6%
White66,77754.6%
Black30,36224.8%
Asian12,41910.1%
American Indian / Alaska Native7740.6%
Native Hawaiian / Pacific Islander440.0%
Two or More Races4810.4%

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