Voter file loaded June 16, 2026 · figures are from that file, held as a fixed record
Lamar County, Mississippi has 40,064 active registered voters across 24 precincts, as of July 2026.
Party registration
Mississippi doesn't register voters by party, so there's no party breakdown to show. Party lean is usually inferred from primary participation; that data is in the voter file and available inside Motion51.
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | Canebrake | 1,517 | 926 | 61.04% |
| 2 | Kingsmill | 692 | 401 | 57.95% |
| 3 | Oral | 1,779 | 956 | 53.74% |
| 4 | Oloh | 586 | 313 | 53.41% |
| 5 | Greenville | 1,116 | 595 | 53.32% |
| 6 | Mill Creek | 698 | 369 | 52.87% |
| 7 | Lake Serene | 3,409 | 1,789 | 52.48% |
| 8 | Okahola | 768 | 394 | 51.3% |
| 9 | South Purvis | 2,314 | 1,136 | 49.09% |
| 10 | Rocky Branch | 882 | 433 | 49.09% |
Supervoters are active registered voters who cast a ballot in at least 3 of the last 4 November general elections (2018–2024). Percentages are precinct totals from the official state voter file — no individual voter information is shown. Precincts with fewer than 400 active voters are excluded.
How Lamar County voted for president
Election results are public records.
Lamar County at a glance.
Lamar County had an estimated 66,734 residents in July 2024, the tenth most populous of Mississippi's 82 counties, up 3.9% since the 2020 census. Of those, 50,904 are 18 or older, the voting-age population, and 16.3% are 65 or older. Its 40,064 active registered voters equal about 78.7% of that voting-age population.
It covers 497 square miles of land (134 people per square mile), and 81.2% of residents live outside any incorporated city or town. The largest cities and towns are Hattiesburg (part) (6,760), Sumrall (2,172), Purvis (1,955) and Lumberton (part) (1,636). The American Community Survey (2020-2024) puts it at a median age of 37.7, a median household income of $70,909, 34.5% of adults 25 and older holding a bachelor's degree or higher and 69.5% of occupied homes owned by the people living in them.
In 2024, 28,171 votes were cast for president, about 55.3% of the voting-age population; the Democratic ticket took 25.0% and the Republican ticket 73.7%. The two-party margin moved from R+55.8 in 2008 to R+48.7 in 2024.
- Population (2024 estimate)
- 66,734
- Population (2020 census base)
- 64,219
- Voting-age population (18+)
- 50,904
- Active voters per 100 adults
- 78.7
- Residents 65 and older
- 16.3%
- People per square mile
- 134
- Living outside incorporated places
- 81.2%
- Land area
- 497 sq mi
- Median age
- 37.7
- Median household income
- $70,909
- Adults 25+ with a bachelor's degree
- 34.5%
- Owner-occupied homes
- 69.5%
Largest cities and towns
- Hattiesburg (part) 6,760
- Sumrall 2,172
- Purvis 1,955
- Lumberton (part) 1,636
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 25.0% | 73.7% | R+48.7 | 28,171 |
| 2020 | 25.7% | 72.6% | R+46.9 | 28,526 |
| 2016 | 20.9% | 76.5% | R+55.6 | 24,179 |
| 2012 | 22.1% | 76.7% | R+54.6 | 22,780 |
| 2008 | 21.6% | 77.4% | R+55.8 | 23,910 |
Sources: U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer; American Community Survey 2020–2024 5-year estimates; certified county presidential returns. Growth, density and turnout are simple arithmetic on those figures.
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