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Population Review

McLennan County, Texas Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 20th-largest in Texas

The population of McLennan County, Texas is 263,608 as of the 2023 American Community Survey, making it the 20th-largest county in Texas. The median household income is $63,888, the median home value is $219,200, and the median age is 34.0.

The population of McLennan County has grown 14.6% since 2010 (235,904 → 270,358), a +0.98% annualized rate.

McLennan County within Texas · Source: US Census TIGER/Line via us-atlas

263,608

Population

+0.98%

Annual growth

254

People / sq mi

$63,888

Median Income

$219,200

Median Home Value

McLennan County covers 1,037 sq mi of land at 254.3 people per square mile.

About McLennan County, TX

McLennan County is a county in Texas with a population of 263,608. It ranks #20 among counties in Texas by population. The median age is 34.0, younger than the national median. The population is 49.0% male and 51.0% female.

The median household income in McLennan County is $63,888, below the US median of $74,580. 11.1% of residents live below the federal poverty level. Home values sit at a median of $219,200, with monthly rent averaging $1,106. The homeownership rate of 61.2% is lower than the national rate of 64.8%.

Educational attainment in McLennan County reflects 27.8% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 20.7 minutes each way.

McLennan County Population History (2010-2024)

The county of McLennan County had a population of 235,904 in 2010 and 270,358 in 2024, a 14.6% growth over 14 years. The peak was 270,358 in 2024. Average annual growth rate: 0.98%.

2024 · 270K20102024

270,358

Population (2024)

235,904

Population (2010)

270,358

Peak (2024)

0.98%

Avg Annual Growth

YearPopulation
2010235,904
2011237,847
2012239,369
2013241,447
2014243,182
2015245,471
2016247,573
2017251,638
2018254,204
2019257,080
2020261,192
2021263,751
2022266,254
2023268,778
2024270,358

Race & Ethnicity

White63.7%
Black or African American14.1%
Asian0.0%
Hispanic or Latino (any race)1.3%
Two or More Races0.0%

Age & Sex

34.0

Median Age

51.0%

Female

49.0%

Male

15.1%

Age 65+

Age Distribution

Under 5
6.4%
5–9
6.6%
10–14
6.9%
15–19
8.4%
20–24
10.1%
25–34
13.0%
35–44
11.9%
45–54
10.5%
55–59
5.5%
60–64
5.5%
65–74
8.8%
75–84
4.5%
85+
1.8%

Children (under 15): 19.9% · Seniors (65+): 15.1%

Income & Poverty

Median household income$63,888$-12,404 vs state
Mean household income$88,079
Per-capita income$33,019
Poverty rate11.1%+0.6% vs state
Unemployment rate2.8%
Employment-to-population59.1%

Top Industries by Employment

Professional & business services
26.0%
Manufacturing
10.9%
Education & health care
9.0%
Finance & real estate
8.5%
Construction
7.6%
Retail trade
6.7%
Information
5.8%
Arts, entertainment & food
4.4%

The largest employment sector in McLennan County is professional & business services, accounting for 26.0% of workers.

How residents commute

0.4%

Drive alone

1.9%

Carpool

79.0%

Public transit

8.6%

Work from home

20.7 min

Avg commute

Housing

$219,200$-41,200 vs state

Median home value

$1,106

Median rent

61.2%

Homeownership rate

107,194

Total housing units

89.5%

Occupied

10.5%

Vacant

38.8%

Renter-occupied

Social & access

86.2%

With health insurance

94.6%

With broadband internet

21.0%

Foreign-born

7.2%

Veterans (18+)

13.4%

With a disability

81.0%

Speak language other than English at home

Education

88.1%

High School+

27.8%

Bachelor's+

Largest cities in Texas

Other counties in Texas

Part of Texas

Metro areas in Texas

County rankings

Frequently Asked Questions

McLennan County, Texas has a population of 263,608 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 20th-largest county in Texas. Population density is 254 people per square mile.

The population of McLennan County has grown 14.6% since 2010 (235,904 → 270,358), a +0.98% annualized rate.

The median household income in McLennan County, Texas is $63,888, with mean (average) household income of $88,079 and per-capita income of $33,019. 11.1% of residents live below the federal poverty level.

In McLennan County, the largest racial and ethnic groups are White (63.7%), Black or African American (14.1%), Hispanic or Latino (1.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in McLennan County, Texas is 34.0 years. Residents are 51.0% female and 49.0% male.

The median home value in McLennan County is $219,200 and median monthly rent is $1,106. 61.2% of occupied housing units are owner-occupied. The county has 107,194 total housing units, 10.5% of which are vacant.

The largest employment sector in McLennan County, Texas is professional, scientific, and management services, employing 26.0% of workers. The unemployment rate is 2.8%.

Houston is among the largest cities associated with McLennan County, Texas, with a population of 2,300,419.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.