Postal Codes

77021 ZIP Code

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ZIP code 77021 covers Houston, Texas, with a population of about 24,884 and a median household income of $45,034.

Population
24,8844,095 per square mile
Median age
36.81.9 points below the US average
Median household income
$45,03441% below the Texas median
Poverty rate
28.7%16.3 points above the US average
Typical home value
$194,174down 3.4% in five years
Median rent
$1,19311% below the Texas median
Degree or higher
33.9%1.1 points below the US average
Homeownership
39.8%25.2 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
421

Where 77021 is

Houston, Texas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population24,884
Median age36.8
Family households50.2%
Born outside the US11.3%
Speaks a language other than English at home23.4%
White (non-Hispanic)10.4%
Black (non-Hispanic)62.4%
Asian (non-Hispanic)1.8%
Hispanic or Latino22.1%
Veterans6.2%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$45,034
Income per person$37,707
Poverty rate28.7%
Households on SNAP or cash assistance22%

Household income distribution

Under $10k15.1%
$10–15k9.1%
$15–20k3.2%
$20–25k6.7%
$25–30k5.1%
$30–35k3.4%
$35–40k3.0%
$40–45k4.4%
$45–50k3.1%
$50–60k6.0%
$60–75k8.4%
$75–100k8.4%
$100–125k5.3%
$125–150k5.7%
$150–200k5.6%
$200k or more7.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed11,320
Mean adjusted gross income$53,269
Returns declaring $200,000 or more3.8%
Returns, under $25k45.3%
Returns, $25k–$50k26.6%
Returns, $50k–$75k12.5%
Returns, $75k–$100k5.5%
Returns, $100k–$200k6.4%
Returns, $200k or more3.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$203,900
Median gross rent$1,193
Rent as a share of household income37.2%
Owner-occupied39.8%
Vacant homes14.2%
Median year built1965

What the homes are

Detached house53.5%
Attached house2.9%
2 to 4 units6.5%
5 to 19 units17.4%
20 or more units18.9%
Mobile home0.7%
Boat, RV or van0.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$194,174as of 2026-07
Typical home value, 1 yeardown 5.6%
Typical home value, 5 yearsdown 3.4%
Typical home value, 10 yearsup 70.7%
Typical asking rent$1,853as of 2026-07
Typical asking rent, 1 yearup 6.3%
Typical home value since 2000
200020132026$228,440$80,403

$86,405 in 2000 to $194,174 in 2026.

Typical asking rent
202220242026$1,853$1,658

$1,658 in 2022 to $1,853 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate9.3%
Bachelor's degree or higher33.9%
High school diploma or higher86.7%
Works from home15.7%
Drives to work alone67.2%
Takes public transport6.8%
Commutes 45 minutes or more17.8%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity43.2% 9.8 pts above the national average of 33.4%
Diagnosed diabetes17.5% 5.5 pts above the national average of 12%
Currently smokes15.2% 2 pts above the national average of 13.2%
High blood pressure42.1% 8 pts above the national average of 34.1%
Fair or poor general health26.4% 6.1 pts above the national average of 20.3%
No health insurance (18–64)18.2% 6.9 pts above the national average of 11.3%
Depression19% 2.9 pts below the national average of 21.9%
No leisure-time physical activity30.6% 5.2 pts above the national average of 25.4%
Arthritis23.6% 1.5 pts below the national average of 25.1%
Binge drinking13.8% 2.2 pts below the national average of 16%
Taking blood pressure medication78.2% 3.5 pts above the national average of 74.7%
Cancer (non-skin)5% 2.7 pts below the national average of 7.7%
Current asthma11.1% 0.7 pts above the national average of 10.4%
Coronary heart disease6.8% 0.6 pts above the national average of 6.2%
Routine check-up in past year77.7% 1 pts above the national average of 76.7%
Cholesterol screening84.1% 1.8 pts below the national average of 85.9%
Cognitive disability17.6% 2.8 pts above the national average of 14.8%
Colorectal screening58.3% 6 pts below the national average of 64.3%
COPD7.5% 0.9 pts above the national average of 6.6%
Visited a dentist47.6% 13.7 pts below the national average of 61.3%
Any disability36.4% 5.7 pts above the national average of 30.7%
Hearing disability5.8% 0.9 pts below the national average of 6.7%
High cholesterol35.2% 1 pts below the national average of 36.2%
Independent living disability11.6% 3.2 pts above the national average of 8.4%
Mammography use74.3% 1.6 pts below the national average of 75.9%
Poor mental health (14+ days)18.2% 1.4 pts above the national average of 16.8%
Mobility disability19.3% 5.3 pts above the national average of 14%
Poor physical health (14+ days)14.2% 0.7 pts above the national average of 13.5%
Self-care disability6.7% 2.7 pts above the national average of 4%
Sleeps under 7 hours45.7% 9.3 pts above the national average of 36.4%
Stroke5.2% 1.8 pts above the national average of 3.4%
All natural teeth lost18.4% 5.4 pts above the national average of 13%
Vision disability9.4% 3.8 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments421
People employed6,955
Annual payroll$349,524,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 68.3% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 12 census tracts this ZIP code covers
Expected annual loss55.4 out of 100
Community resilience16.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane87.4Relatively High at its worst in this ZIP code
Tornado86Very High at its worst in this ZIP code
River flooding79.4Relatively High at its worst in this ZIP code
Heat wave66.2Relatively Moderate at its worst in this ZIP code
Cold wave65.9Relatively High at its worst in this ZIP code
Landslide51.1Very Low at its worst in this ZIP code
Ice storm38.9Relatively Low at its worst in this ZIP code
Lightning38.2Relatively Moderate at its worst in this ZIP code
Coastal flooding26.3Relatively Low at its worst in this ZIP code
Strong wind25.7Relatively Low at its worst in this ZIP code
Hail22.8Very Low at its worst in this ZIP code
Winter weather19.6Relatively Low at its worst in this ZIP code
Earthquake18.2Very Low at its worst in this ZIP code
Wildfire17.7Very Low at its worst in this ZIP code
Compared with Texas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPTexasUnited States
Median household income$45,034$76,292$78,538
Income per person$37,707$39,446$43,289
Poverty rate28.7%13.8%12.4%
Median home value$203,900$260,400$303,400
Median gross rent$1,193$1,339$1,348
Homeownership39.8%62.6%65%
Bachelor's degree or higher33.9%33.1%35%
Unemployment rate9.3%5.1%5.2%
Works from home15.7%12.8%13.5%
Born outside the US11.3%17.2%13.9%
Median age36.835.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationHOUSTON-PORT, TX US9.2 km away
Rain in a year54 in

Average high and low by month

January62.8°F / 44.3°F4.04 in rain
February66.7°F / 48.9°F2.75 in rain
March73.3°F / 53.7°F3.81 in rain
April79.2°F / 60.9°F5.17 in rain
May85.7°F / 68.7°F5.07 in rain
June91.3°F / 74.8°F7.9 in rain
July93.2°F / 76.8°F4.46 in rain
August94.3°F / 76.8°F3.37 in rain
September89.8°F / 71.8°F4.48 in rain
October81.9°F / 62.7°F5.38 in rain
November72°F / 52.9°F3.36 in rain
December65.2°F / 46°F4.33 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket21% of this ZIP code's area
Far from a supermarket25% of this ZIP code's area
No vehicle and far from a supermarket13% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Houston Independent School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability81more vulnerable than 81% of US census tracts
Socioeconomic status79more vulnerable than 79% of US census tracts
Household characteristics71more vulnerable than 71% of US census tracts
Racial and ethnic minority status92more vulnerable than 92% of US census tracts
Housing type and transport71more vulnerable than 71% of US census tracts
Walkability14 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

77004 Houston, TX3.3 km away
77033 Houston, TX3.5 km away
77051 Houston, TX4.3 km away
77030 Houston, TX4.4 km away
77054 Houston, TX4.5 km away
77023 Houston, TX4.9 km away
77087 Houston, TX5.4 km away
77292 Houston, TX5.9 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Harris County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area6.08 sq mi
Water area0.03 sq mi
Population density4,095 people per sq mi
Latitude, longitude29.6954, -95.3562

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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