ZipCodesToGo
Texas ZIP Codes
Harris County
Houston, TX
77021
77021 ZIP Code — Houston, TX
Harris County, Texas
ZIP code 77021 is located in
Houston ,
Texas ,
within Harris County .
It covers approximately 6.08 square miles and serves a population of
25,500 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 713/832 .
About ZIP code 77021
The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $163,300. Renters make up the majority at 63%, typical of denser urban areas.
The gap between median ($46,508) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 28% of residents, above the national average. SNAP benefit usage at 23% of households reflects economic stress in the area.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.
Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of obesity (45%), diabetes (18%) compared to national benchmarks. 20% of residents lack health insurance, above the national average.
Overall, ZIP code 77021 reflects a community defined by economic challenges above the national average and elevated reliance on food assistance.
77021 ZIP code map
View map of 77021
Cities in ZIP code 77021
Below are the cities the US Postal Service accepts for ZIP code 77021. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
25,500
Population density
4,194 / sq mi
State FIPS
48
County FIPS
201
Geography
Land area
6.08 sq mi
Water area
0.03 sq mi
Latitude
29.6949
Longitude
-95.3567
Timezone
Central (CT)
Area code
713/832
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
57.7%
40.0%
39.5%
$50k – $100k
20.1%
29.5%
30.1%
$100k – $200k
17.7%
21.5%
22.6%
Over $200k
4.5%
9.0%
7.8%
Demographics & statistics
$46,508
Median household income
$163,300
Median home value
$1,170
Median monthly rent
33.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 5,352 21.0%
18 and over 20,148 79.0%
65 and over 3,838 15.1%
Median age 34.6 years
Race & ethnicity
Black or African American
56.8%
American Indian / Alaska Native
0.8%
Group Count %
Black or African American 16,349 56.8%
White 4,640 16.1%
Hispanic or Latino 3,270 11.4%
Two or more races 2,411 8.4%
Other race 1,118 3.9%
Asian 764 2.7%
American Indian / Alaska Native 218 0.8%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
57.7%
40.0%
39.5%
$50k – $100k
20.1%
29.5%
30.1%
$100k – $200k
17.7%
21.5%
22.6%
Over $200k
4.5%
9.0%
7.8%
Range % of households
Under $10k 14.4%
$10k–$15k 8.5%
$15k–$25k 10.6%
$25k–$35k 8.8%
$35k–$50k 10.4%
$50k–$75k 15.7%
$75k–$100k 7.6%
$100k–$150k 12.7%
$150k–$200k 5.8%
$200k+ 5.6%
Median income $46,508
Housing
Housing overview
Metric Value
Median home value $163,300
Median rent / month $1,170
Owner occupied 37.3%
Renter occupied 62.7%
Vacant 12.8%
Single-family detached 55.0%
Large apartment buildings 17.5%
Mobile homes 0.2%
Median rooms 4.8
Avg household size (owned) 2.53
Year built
Era %
2020 or later 1.4%
2010–2019 8.3%
2000–2009 15.3%
1990–1999 6.4%
1980–1989 4.8%
1970–1979 7.4%
1960–1969 11.5%
1950–1959 26.0%
1940–1949 16.4%
1939 or earlier 2.5%
Bedrooms
Size % of units
No bedroom (studio) 2.8%
1 bedroom 17.0%
2 bedrooms 35.1%
3 bedrooms 35.6%
4 bedrooms 8.1%
5+ bedrooms 1.3%
Vehicles per household
Vehicles % of households
No vehicle 19.4%
1 vehicle 39.7%
2 vehicles 25.7%
3 or more 15.1%
Heating fuel
Fuel type %
Utility gas 34.4%
Electricity 63.6%
Propane / LP gas 1.3%
Solar 0.2%
No fuel used 0.4%
Households & families
Household type Count %
Married-couple family 2,449 22.4%
Cohabiting couple 796 7.3%
Male householder, no spouse 2,777 25.4%
Female householder, no spouse 4,913 44.9%
Households with children under 18 2,564 23.4%
Households with seniors (65+) 2,870 26.2%
Average household size 2.29
Marital status
Status Male Female
Never married 44.9% 50.9%
Married 33.8% 23.0%
Separated 5.4% 5.1%
Widowed 5.0% 8.6%
Divorced 11.0% 12.4%
Education
Some college, no degree
20.6%
Graduate / professional
15.5%
Metric %
HS diploma or higher 86.5%
Bachelor's or higher 33.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 142 2.2%
Kindergarten 609 9.6%
Elementary school 2,041 32.3%
High school 1,383 21.9%
College / grad school 2,142 33.9%
Employment
Industry of employment
Education & healthcare
30.1%
Professional & management
14.8%
Arts, food & hospitality
9.3%
Transportation & utilities
6.8%
Finance & real estate
3.8%
Public administration
2.7%
Agriculture & mining
0.6%
Occupation
Category %
Management, business & arts 45.1%
Service 18.2%
Sales & office 20.4%
Natural resources & construction 6.2%
Production & transportation 10.1%
Employment type
Type %
Private sector 78.7%
Government 14.8%
Self-employed 6.4%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 72.0%
Carpool 6.9%
Public transit 5.4%
Walk 0.9%
Work from home 12.2%
Other means 2.5%
Avg commute (minutes) 27.4
Poverty
Married-couple families
9.7%
Female-led households
37.6%
Income support
Source % of households
Social Security 27.0%
Retirement income 12.8%
Supplemental Security 7.6%
Cash public assistance 1.7%
Food stamps / SNAP 22.6%
Health indicators
Condition %
Obesity 44.7%
High blood pressure 44.2%
High cholesterol 35.0%
Diabetes 17.8%
Heart disease 7.0%
Stroke 5.1%
Asthma 10.8%
Arthritis 24.1%
Kidney disease 4.2%
Pulmonary disease 7.4%
Cancer 5.3%
Behavior / access %
Smoking 19.6%
Binge drinking 15.1%
No physical activity 33.5%
Less than 7 hrs sleep 39.2%
Depression 18.1%
Fair or poor health 24.3%
Poor mental health 16.1%
Poor physical health 13.6%
No health insurance 30.2%
Visited doctor (checkup) 77.7%
Visited dentist 44.9%
Cholesterol screening 89.4%
Teeth loss 24.0%
Veterans & disability
Veterans Count %
Civilian veterans 981 4.9%
Disability %
Any disability 15.5%
Under 18 4.8%
18–64 years 13.1%
65 and over 40.9%
Health insurance coverage
Type %
Private insurance 48.7%
Public insurance 39.7%
No insurance 19.5%
Uninsured under 19 11.7%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 23,968 94.0%
Spanish 1,694 7.1%
Other Indo-European 1,398 5.8%
Asian & Pacific Islander 124 0.5%
Other languages 124 0.5%
Place of birth & citizenship
Origin Count %
Native born (US) 22,279 87.4%
Born in same state 22,073 86.6%
Born in different state 16,985 66.6%
Foreign born 206 0.8%
Naturalized citizen 3,221 12.6%
Not a US citizen 1,263 39.2%
Ancestry
Ancestry Count %
Arab 550 2.2%
Italian 524 2.1%
French 197 0.8%
English 153 0.6%
Ancestry Count %
Polish 34 0.1%
German 11 0%
Irish 9 0%
Technology access
Metric % of households
Computer access 42.9%
Internet access 88.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 77021
What city is ZIP code 77021 in?
ZIP code 77021 is primarily assigned to Houston, Texas.
What county is ZIP code 77021 in?
ZIP code 77021 falls within Harris County, Texas.
What is the poverty rate in ZIP code 77021?
28% of residents in ZIP code 77021 live below the poverty line, above the national average.
Is ZIP code 77021 mostly rentals?
63% of occupied units in ZIP code 77021 are renter-occupied.
What are the health statistics for ZIP code 77021?
Health data for ZIP code 77021 shows elevated rates of obesity (45%) and diabetes (18%) compared to national benchmarks.
What is the typical home value in ZIP code 77021?
The median home value in ZIP code 77021 is $163,300.
What timezone is ZIP code 77021 in?
ZIP code 77021 observes the CST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →