Lamar County Population

1850–2026

51,664

2026 projection

3.1% since 2020 (increase)

010K20K30K40K50K60K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Lamar County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202651,664+1610.31%
202551,503+1610.31%
202451,342+1870.37%
202351,155+6671.32%
202250,488+1290.26%
202150,359+2280.45%
202050,131+3500.70%
201949,781+1090.22%
201849,672+620.12%
201749,610+550.11%

Showing 10 of 32 years.

Lamar County Demographics

39.7median age

Median age

Female41.8 yrs
Male38.3 yrs

Adults

38,475
9,900 seniors (65+) · 26% of adults28,575 other adults

Sex

Female 51.4% · 26,030Male 48.6% · 24,639

Population by age

MaleFemale85+ years, male: 32285+ years, female: 83680–84 years, male: 52280–84 years, female: 55775–79 years, male: 79775–79 years, female: 99570–74 years, male: 1,44470–74 years, female: 1,31165–69 years, male: 1,39965–69 years, female: 1,71760–64 years, male: 1,88660–64 years, female: 1,65755–59 years, male: 1,12555–59 years, female: 1,68250–54 years, male: 1,46850–54 years, female: 1,58045–49 years, male: 1,64645–49 years, female: 1,49240–44 years, male: 1,10340–44 years, female: 1,66035–39 years, male: 1,37635–39 years, female: 1,38830–34 years, male: 1,70830–34 years, female: 1,69825–29 years, male: 1,72325–29 years, female: 1,38820–24 years, male: 1,21720–24 years, female: 1,76015–19 years, male: 1,65315–19 years, female: 1,38910–14 years, male: 1,82610–14 years, female: 1,4005–9 years, male: 1,7695–9 years, female: 1,9650–4 years, male: 1,6550–4 years, female: 1,55585+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 507 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Lamar County Income

$61,880median household income

Median household income

$61,880

Half of households earn more, half earn less

Median earnings

$41,862

Typical yearly pay for a worker 25 or older.

Poverty rate

19%

About 1 in 5 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Lamar County Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%54%50%
Never married26%29%24%
Divorced12%11%12%
Widowed9%4%13%
Separated2%2%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year