Lamar County's 2026 population is estimated at 51,561, reflecting a 0.3% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Lamar County is the 74th largest county in Texas. The 2010 population was 49,822 and has grown 3.49% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.7 years
Female: 41.8 years
Male: 38.3 years
There are 38,475 adults, (9,900 of whom are seniors) in Lamar County.
Female: 26,030 (51.4%)
Male: 24,639 (48.6%)
The racial composition of Lamar County includes 75.07% White, 12.13% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 38,037 | 75.07% |
| Black or African American | 6,146 | 12.13% |
| Two or more races | 4,236 | 8.36% |
| Other race | 1,162 | 2.29% |
| Asian | 470 | 0.93% |
| Native American | 368 | 0.73% |
| Native Hawaiian or Pacific Islander | 250 | 0.49% |
Lamar County 's average per capita income is $41,862. Household income levels show a median of $61,880. The poverty rate stands at 18.97%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $97,944 | - |
| Families | $80,460 | $100,069 |
| Households | $61,880 | $82,971 |
| Non Families | $29,901 | $43,953 |
Average Income
Median Household Income
Poverty Rate
