Louisiana State Senate District 15

State Legislative District Profile (Upper Chamber)

Overview

District ID
la-sd-015
State
Louisiana
Chamber
Upper chamber (state senate)
District Code
015
Land Area
123.5 sq mi
Water Area
6.9 sq mi

Boundary

Boundary of Louisiana State Senate District 15

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
East Baton Rouge Parish123.45 sq mi100.0%27.1%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Baton Rouge city24.30 sq mi19.7%27.9%
Baker city8.40 sq mi6.8%99.6%
Zachary city8.35 sq mi6.8%31.1%
Merrydale CDP4.24 sq mi3.4%100.0%
Brownfields CDP4.14 sq mi3.4%100.0%
Monticello CDP2.39 sq mi1.9%100.0%

Showing all 6 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
LA District 6115,848100.0%14.9%100.0%

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

Voters

Registered Voters
68,829
Active Voters
56,561 (82.2%)

Party Registration

PartyVotersShare
Democratic45,22965.7%
Republican6,91210.0%
Unaffiliated15,98823.2%
Other parties7001.0%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202443,340 (63.0%)0 (0.0%)0 (0.0%)
2021–202229,940 (43.5%)0 (0.0%)0 (0.0%)
2019–202044,350 (64.4%)0 (0.0%)0 (0.0%)
2017–201831,085 (45.2%)0 (0.0%)0 (0.0%)
2015–201638,820 (56.4%)0 (0.0%)0 (0.0%)
2013–201428,815 (41.9%)0 (0.0%)0 (0.0%)
2011–201237,088 (53.9%)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
111,482 (± 4,331)
Median Age
35.8
Median Household Income
$48,899 (± $2,753)
High School Graduate or Higher (age 25+)
86.6%
Bachelor's Degree or Higher (age 25+)
21.7%

Population by Age

GroupPeopleShare
Under 1828,79825.8%
18 to 6466,04259.2%
65 and over16,64214.9%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)7,6456.9%
White, not Hispanic15,65214.0%
Black, not Hispanic81,94673.5%
Asian, not Hispanic2,2142.0%
American Indian / Alaska Native, not Hispanic680.1%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic1,2791.1%
Two or more races, not Hispanic2,6782.4%

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
105,610
Citizen Voting Age Population (CVAP)
78,042

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic102,00396.6%
Hispanic3,6083.4%
White15,80815.0%
Black82,75678.4%
Asian1,3981.3%
American Indian / Alaska Native690.1%
Native Hawaiian / Pacific Islander00.0%
Two or More Races1590.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic76,59498.1%
Hispanic1,4431.8%
White13,45517.2%
Black61,42578.7%
Asian1,4401.8%
American Indian / Alaska Native3730.5%
Native Hawaiian / Pacific Islander00.0%
Two or More Races810.1%

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