Harris County, TX Demographics

Population 4,838,303 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Harris County, TX map of median age by neighborhood
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Population and households in Harris County

Household size in Harris County

Household size, people per household
PeriodHarris CountyHouston areaTexasU.S.
2006–102.952.962.872.68
2010–143.003.002.932.73
2015–192.972.982.952.71
2020–242.882.912.832.65
Change−0.07−0.05−0.05−0.03
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The typical household in Harris County holds 2.88 people, more than the U.S. average of 2.65. Since 2006–10, household size has edged down from 2.95, mirroring the country. Households are largest in the north and smallest in the center.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in Harris County

Median age, years
PeriodHarris CountyHouston areaTexasU.S.
2006–1033.134.034.737.7
2010–1433.834.835.438.6
2015–1934.735.636.139.6
2020–2435.636.436.740.1
Change+2.5+2.3+2.0+2.3
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Harris County is young: half of its residents are under 35.6, compared with a national median of 40.1. The population tilts toward young families with children. The median age has climbed from 33.1 in 2006–10, mirroring the country.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in Harris County

Single-parent households, % of households
PeriodHarris CountyHouston areaTexasU.S.
2006–1015.0%13.7%13.7%12.3%
2010–1415.0%13.7%13.7%12.3%
2015–1914.7%13.3%13.1%11.6%
2020–2415.0%13.5%12.9%11.6%
Change+0.0 pts−0.3 pts−0.8 pts−0.6 pts
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Single-parent households are common in Harris County: 15.0% of all households, against 11.6% nationally. Harris County has a higher share of single-parent households than the great majority of Texas counties.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in Harris County

Renters in Harris County

Renters, % of occupied homes
PeriodHarris CountyHouston areaTexasU.S.
2006–1042.2%36.6%35.2%33.3%
2010–1444.4%38.6%37.3%35.6%
2015–1945.4%39.5%38.0%36.0%
2020–2445.3%38.8%37.4%34.8%
Change+3.1 pts+2.2 pts+2.3 pts+1.5 pts
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Renting is far more common in Harris County than nationally: 45.3% of households rent their homes, against 34.8%. Among owners, 45.9% have paid off their mortgages, above the national share of 39.8%. The renter share has risen 3.1 points since 2006–10, mirroring the country. Few Texas counties have a higher share of renters: only seven of 254.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in Harris County

Vacant homes, % of all homes
PeriodHarris CountyHouston areaTexasU.S.
2006–1011.7%11.3%11.8%11.4%
2010–1410.6%10.1%10.9%11.4%
2015–199.3%9.3%10.9%11.1%
2020–248.6%8.6%9.4%9.6%
Change−3.1 pts−2.7 pts−2.4 pts−1.8 pts
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About as many homes sit empty in Harris County as nationally: 8.6%, against 9.6%. Since 2006–10, vacancy has fallen 3.1 points, in line with the national trend. Harris County has a lower vacancy rate than the great majority of Texas counties.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in Harris County

Age of homes, median year built
PeriodHarris CountyHouston areaTexasU.S.
2006–101982198519831974
2010–141984198719851975
2015–191985198819871977
2020–241989199319921980
Change+7+8+8+6
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Much of the housing in Harris County is relatively new: half of its homes were built after 1989, compared with 1980 for the U.S. as a whole. The median year built has moved up from 1982 in 2006–10, a sign of steady new building. Newer construction is concentrated in the northwest, while the southeast has the oldest housing.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in Harris County

Rent, per month
PeriodHarris CountyHouston areaTexasU.S.
2006–10$997$1,018$921$965
2010–14$1,071$1,103$1,005$1,040
2015–19$1,261$1,300$1,178$1,213
2020–24$1,605$1,649$1,560$1,571
Change+$608+$631+$639+$606
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A typical rental in Harris County costs $1,605 a month with utilities, close to the national median of $1,571. Rents are up $608 a month from 2006–10, a 61% jump, roughly in step with the nation. The typical renter here spends 33.4% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. The priciest rents are in the northwest; the most affordable are in the east.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in Harris County

Bachelor's degrees in Harris County

Bachelor's degrees, % of adults 25+
PeriodHarris CountyHouston areaTexasU.S.
2006–1027.5%29.2%27.0%28.4%
2010–1428.7%30.4%27.9%29.6%
2015–1930.8%32.5%30.0%32.1%
2020–2433.6%35.9%34.0%35.6%
Change+6.1 pts+6.7 pts+7.1 pts+7.2 pts
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College degrees are about as common in Harris County as nationally: 33.6% of adults 25 and older have a bachelor's or higher, against 35.6%. The share with a degree has risen 6.1 points since 2006–10, in line with the national trend. College graduates are most concentrated in the center and least in the east.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in Harris County

High school graduates, % of adults 25+
PeriodHarris CountyHouston areaTexasU.S.
2006–1078.0%80.9%80.7%84.9%
2010–1479.2%81.9%82.0%86.1%
2015–1981.1%83.6%83.6%87.7%
2020–2482.1%84.8%85.8%89.3%
Change+4.1 pts+3.9 pts+5.1 pts+4.3 pts
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Just over one in six adults in Harris County never finished high school, well above the national share: only 82.1% have a diploma or equivalent, against 89.3% nationally. The share with a diploma has risen 4.1 points since 2006–10, mirroring the country.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in Harris County

Unemployment, % of the labor force
PeriodHarris CountyHouston areaTexasU.S.
2006–107.4%6.9%7.0%8.1%
2010–148.3%7.7%7.7%9.4%
2015–195.9%5.6%5.1%5.6%
2020–246.9%6.2%5.3%5.4%
Change−0.5 pts−0.6 pts−1.7 pts−2.7 pts
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Unemployment runs high in Harris County: 6.9% of the labor force was out of work and looking, against 5.4% nationally. Harris County has higher unemployment than at least four in five Texas counties. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

Harris County compared with nearby counties

CountyHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Harris County2.8835.615.0%45.3%8.6%1989$1,60533.6%82.1%6.9%
Fort Bend County3.1437.810.3%23.0%5.6%2004$2,00051.1%92.1%4.9%
Montgomery County2.8738.110.0%28.2%8.0%2003$1,66538.4%89.7%4.5%
Brazoria County2.9337.211.9%25.9%11.7%1995$1,62634.7%88.9%4.4%
Waller County3.0534.313.1%28.0%10.8%1999$1,51128.8%86.5%6.5%
Galveston County2.6639.611.2%32.4%10.1%1992$1,58336.6%90.3%5.8%
Liberty County3.4332.313.3%17.7%14.3%1999$1,06311.0%73.5%6.8%
Chambers County3.0336.18.6%18.4%7.4%2002$1,81622.6%89.0%6.8%
Austin County2.5543.711.7%23.5%14.4%1989$1,15424.9%86.1%4.0%
Washington County2.2742.68.8%30.2%12.7%1987$1,19230.7%90.5%3.1%
Colorado County2.6845.78.7%20.5%18.8%1980$1,00123.2%88.8%3.2%

All figures 2020–24.

Counties with similar populations: Maricopa County, AZ · Orange County, CA · Los Angeles County, CA · San Diego County, CA · Miami-Dade County, FL · Cook County, IL · Duval County, FL · Bergen County, NJ · Montgomery County, PA · Delaware County, PA

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Harris County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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