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

Age is the most distinctive thing about McLennan County: a median age of 34.0, younger than the national median. With 263,608 residents, McLennan County is a county in Texas. It ranks #20 among counties in Texas by population.

Household earnings are middling, with a median of $63,888 — below the US median of $78,538. Poverty runs at 11.1%, below the national 12.4%. Median home value is $219,200, with typical rent around $1,106.

Educational attainment is on the higher side for US counties — 27.8% of adults hold a four-year degree, below the national 35.0%. About 8.6% of the workforce is home-based, below the national 14.0%, and the average commute runs about 21 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%.

McLennan County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

270,358

Population (2024)

235,904

Population (2010)

270,358

Peak (2024)

0.98%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	235,904	-	-	estimate
2011	237,847	+1,943	+0.82%	estimate
2012	239,369	+1,522	+0.64%	estimate
2013	241,447	+2,078	+0.87%	estimate
2014	243,182	+1,735	+0.72%	estimate
2015	245,471	+2,289	+0.94%	estimate
2016	247,573	+2,102	+0.86%	estimate
2017	251,638	+4,065	+1.64%	estimate
2018	254,204	+2,566	+1.02%	estimate
2019	257,080	+2,876	+1.13%	estimate
2020	261,192	+4,112	+1.60%	estimate
2021	263,751	+2,559	+0.98%	estimate
2022	266,254	+2,503	+0.95%	estimate
2023	268,778	+2,524	+0.95%	estimate
2024	270,358	+1,580	+0.59%	estimate

Race & Ethnicity

White	63.7%
Black or African American	14.1%
Asian	0.0%
Hispanic or Latino (any race)	1.3%
Two or More Races	0.0%

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 rate	11.1%+0.6% vs state
Unemployment rate	2.8%
Employment-to-population	59.1%

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

Houston (2,300,419)San Antonio (1,458,954)Dallas (1,299,553)Austin (967,862)Fort Worth (941,311)El Paso (678,147)Arlington (394,769)Corpus Christi (317,383)Plano (287,339)Lubbock (261,078)All Texas cities →

Other counties in Texas

Harris County (4,758,579)Dallas County (2,603,816)Tarrant County (2,135,743)Bexar County (2,037,344)Travis County (1,307,625)Collin County (1,116,601)Denton County (945,644)Hidalgo County (880,921)El Paso County (866,275)Fort Bend County (859,721)All Texas counties →

Part of Texas

Texas demographic profile All Texas data →

Metro areas in Texas

Dallas (7,807,555)Houston (7,274,714)San Antonio (2,612,802)Austin (2,357,497)McAllen (880,921)El Paso (869,606)Killeen (485,850)Corpus Christi (446,797)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All 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.