Lamb County's 2026 population is estimated at 12,525, reflecting a -0.64% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Lamb County is the 150th largest county in Texas. The 2010 population was 13,995 and has grown -10.5% since 2010.
Data after 2023 is projected based on recent change
Overall: 37.1 years
Female: 39.3 years
Male: 35.5 years
There are 9,339 adults, (2,197 of whom are seniors) in Lamb County.
Female: 6,327 (49.3%)
Male: 6,501 (50.7%)
The racial composition of Lamb County includes 68.37% White, 4.7% other race, 3.69% Black or African American, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 8,771 | 68.37% |
| Two or more races | 2,783 | 21.69% |
| Other race | 603 | 4.7% |
| Black or African American | 473 | 3.69% |
| Asian | 101 | 0.79% |
| Native American | 52 | 0.41% |
| Native Hawaiian or Pacific Islander | 45 | 0.35% |
Lamb County 's average per capita income is $44,888. Household income levels show a median of $60,760. The poverty rate stands at 15.03%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $82,950 | - |
| Families | $74,535 | $88,826 |
| Households | $60,760 | $73,561 |
| Non Families | $29,209 | $39,402 |
Average Income
Median Household Income
Poverty Rate