Lamar County, Texas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 70th-largest in Texas
The population of Lamar County, Texas is 50,421 as of the 2023 American Community Survey, making it the 70th-largest county in Texas. The median household income is $61,122, the median home value is $175,500, and the median age is 40.0.
The population of Lamar County has grown 2.9% since 2010 (49,822 → 51,249), a +0.20% annualized rate.
50,421
Population
+0.20%
Annual growth
56
People / sq mi
$61,122
Median Income
$175,500
Median Home Value
Lamar County covers 907 sq mi of land at 55.6 people per square mile.
About Lamar County, TX
The poverty rate is what most separates Lamar County from the typical county: 15.1% of residents live below the federal poverty line, against 12.4% nationally. With 50,421 residents, Lamar County is a county in Texas.
Median household income is $61,122, below the US median of $78,538. Poverty sits at 15.1%, above the national 12.4%. Homes carry a median value of $175,500, with typical rent around $897.
Degree attainment is mid-range for US counties: 20.6% of adults hold a four-year degree, below the national 35.0%. Remote work is below the national 14.0% at 7.5%, and the average commute runs about 20 minutes each way.
The elevated poverty rate is the context for the rest of the profile in Lamar County: it pulls on median income, housing tenure, and the share of residents with a college degree.
Lamar County Population History (2010-2024)
The county of Lamar County had a population of 49,822 in 2010 and 51,249 in 2024, a 2.9% growth over 14 years. The peak was 51,249 in 2024. Average annual growth rate: 0.20%.
51,249
Population (2024)
49,822
Population (2010)
51,249
Peak (2024)
0.20%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 49,822 |
| 2011 | 49,869 |
| 2012 | 49,673 |
| 2013 | 49,113 |
| 2014 | 49,435 |
| 2015 | 49,399 |
| 2016 | 49,555 |
| 2017 | 49,610 |
| 2018 | 49,672 |
| 2019 | 49,781 |
| 2020 | 50,135 |
| 2021 | 50,357 |
| 2022 | 50,513 |
| 2023 | 51,093 |
| 2024 | 51,249 |
Race & Ethnicity
| White | 77.1% |
| Black or African American | 12.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.7% |
| Two or More Races | 0.0% |
Age & Sex
40.0
Median Age
50.9%
Female
49.1%
Male
19.3%
Age 65+
Age Distribution
Children (under 15): 20.2% · Seniors (65+): 19.3%
Income & Poverty
| Median household income | $61,122$-15,170 vs state |
| Mean household income | $78,269 |
| Per-capita income | $31,430 |
| Poverty rate | 15.1%+4.6% vs state |
| Unemployment rate | 2.4% |
| Employment-to-population | 58.3% |
Top Industries by Employment
The largest employment sector in Lamar County is professional & business services, accounting for 26.1% of workers.
How residents commute
0.0%
Drive alone
2.9%
Carpool
78.7%
Public transit
7.5%
Work from home
19.5 min
Avg commute
Housing
$175,500$-84,900 vs state
Median home value
$897
Median rent
65.8%
Homeownership rate
22,744
Total housing units
88.2%
Occupied
11.8%
Vacant
34.2%
Renter-occupied
Social & access
81.0%
With health insurance
91.7%
With broadband internet
20.6%
Foreign-born
6.9%
Veterans (18+)
18.1%
With a disability
91.2%
Speak language other than English at home
Education
88.0%
High School+
20.6%
Bachelor's+
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Frequently Asked Questions
Lamar County, Texas has a population of 50,421 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 70th-largest county in Texas. Population density is 56 people per square mile.
The population of Lamar County has grown 2.9% since 2010 (49,822 → 51,249), a +0.20% annualized rate.
The median household income in Lamar County, Texas is $61,122, with mean (average) household income of $78,269 and per-capita income of $31,430. 15.1% of residents live below the federal poverty level.
In Lamar County, the largest racial and ethnic groups are White (77.1%), Black or African American (12.4%), Hispanic or Latino (2.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Lamar County, Texas is 40.0 years. Residents are 50.9% female and 49.1% male.
The median home value in Lamar County is $175,500 and median monthly rent is $897. 65.8% of occupied housing units are owner-occupied. The county has 22,744 total housing units, 11.8% of which are vacant.
The largest employment sector in Lamar County, Texas is professional, scientific, and management services, employing 26.1% of workers. The unemployment rate is 2.4%.
Houston is among the largest cities associated with Lamar County, Texas, with a population of 2,300,419.
Lamar County, TX Climate
Lamar County, TX has an average annual temperature of 16.9°C (62°F) and receives about 1160 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
16.9°C
Avg Temp
1160
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 5° / 41° | 58 mm |
| February | 8° / 46° | 82 mm |
| March | 12° / 54° | 105 mm |
| April | 17° / 62° | 100 mm |
| May | 21° / 70° | 146 mm |
| June | 25° / 78° | 102 mm |
| July | 28° / 82° | 84 mm |
| August | 28° / 82° | 63 mm |
| September | 24° / 75° | 115 mm |
| October | 18° / 64° | 116 mm |
| November | 12° / 53° | 102 mm |
| December | 7° / 44° | 87 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Lamar County, TX
The most comfortable months to visit Lamar County, TX are typically May, September and October, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 34°C high). The coldest is January (near -1°C low). May is usually the wettest month.
Where to stay near Lamar County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.