South Carolina State House District 121

State Legislative District Profile (Lower Chamber)

Overview

District ID
sc-hd-121
State
South Carolina
Chamber
Lower chamber
District Code
121
Land Area
666.7 sq mi
Water Area
207.5 sq mi

Boundary

Boundary of South Carolina State House District 121

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Colleton County402.20 sq mi60.3%38.1%
Beaufort County264.53 sq mi39.7%45.9%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Beaufort city17.38 sq mi2.6%70.9%
Jacksonboro CDP10.70 sq mi1.6%74.0%
Walterboro city6.41 sq mi1.0%92.0%
Seabrook CDP5.50 sq mi0.8%100.0%
Burton CDP4.78 sq mi0.7%57.9%
Sheldon CDP4.53 sq mi0.7%100.0%
Laurel Bay CDP3.87 sq mi0.6%93.0%
Fripp Island CDP3.26 sq mi0.5%100.0%
Lobeco CDP2.63 sq mi0.4%100.0%
Yemassee town2.41 sq mi0.4%22.0%
Dale CDP2.37 sq mi0.4%100.0%
Harbor Island CDP1.03 sq mi0.2%100.0%
Port Royal town0.16 sq mi<0.1%1.0%

Showing all 13 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
SC District 129,03368.8%4.0%66.3%
SC District 613,18631.2%1.8%33.7%

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

Voters

Registered Voters
25,425
Active Voters
25,425 (100.0%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202417,609 (69.3%)0 (0.0%)0 (0.0%)
2021–20224,509 (17.7%)0 (0.0%)0 (0.0%)
2019–20209,019 (35.5%)0 (0.0%)0 (0.0%)
2017–20188,731 (34.3%)0 (0.0%)0 (0.0%)
2015–20162,459 (9.7%)0 (0.0%)0 (0.0%)
2013–2014140 (0.6%)0 (0.0%)0 (0.0%)
2011–2012594 (2.3%)0 (0.0%)0 (0.0%)

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 09/11/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
43,947 (± 1,988)
Median Age
35.7
Median Household Income
$56,933 (± $3,466)
High School Graduate or Higher (age 25+)
88.5%
Bachelor's Degree or Higher (age 25+)
21.7%

Population by Age

GroupPeopleShare
Under 189,57021.8%
18 to 6426,53360.4%
65 and over7,84417.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,6746.1%
White, not Hispanic16,58537.7%
Black, not Hispanic21,91749.9%
Asian, not Hispanic3030.7%
American Indian / Alaska Native, not Hispanic80.0%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic1110.3%
Two or more races, not Hispanic2,3495.3%

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
43,014
Citizen Voting Age Population (CVAP)
33,559

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic41,06495.5%
Hispanic1,9504.5%
White16,62138.6%
Black22,00451.2%
Asian1860.4%
American Indian / Alaska Native100.0%
Native Hawaiian / Pacific Islander00.0%
Two or More Races5551.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic32,28096.2%
Hispanic1,2803.8%
White14,02341.8%
Black17,27551.5%
Asian3961.2%
American Indian / Alaska Native3571.1%
Native Hawaiian / Pacific Islander10.0%
Two or More Races2720.8%

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