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US ZIP Code Profile

ZIP Code 77021
Houston, Texas

ZIP code 77021 is in Houston, located in Harris County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 28,055. The estimated median adjusted gross income per tax return is $29,402, and about 4% of filers report $200,000 or more.

2020 Population
28,055
Census ZCTA
County
Harris
FIPS 48201
Median income (est.)
$29,402
IRS SOI 2022
Land Area
6.079 mi²
+ 0.025 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityHouston, TX
CountyHarris County (FIPS 48201)
StateTexas (FIPS 48)
Metro Area (MSA)Houston-The Woodlands-Sugar Land, TX Metro Area (26420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.69843, -95.3569
Land / Water Area6.079 mi² land · 0.025 mi² water

02Income & Economics

Distribution of the 11,320 individual tax returns filed in 77021 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
45.3%
$25K–$50K
26.6%
$50K–$75K
12.5%
$75K–$100K
5.5%
$100K–$200K
6.4%
$200K+
3.8%
The $200,000+ bracket accounts for 31% of 77021's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($29,402) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 77021's IRS income metrics, 2020–2022.

Median income (2021→2022)
$29,402
▲ 8.2%
Filers earning $200K+
3.8%
▲ 0.7 pt
Total filers
11,320
▼ 0.1%
GET /zipc/v2/zipcodes/77021/soi?year=… $26K 2020 $27K 2021 $29K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 77021 ZCTA.

2000
24,159
 
2010
26,042
▲ +7.8%
2020
28,055
▲ +7.7%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 77021. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 77021

Houston and its immediate neighbors, sorted by distance.

3 mi
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Distance from 77021 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number484145
City AliasesHouston

07Frequently Asked Questions

What county is ZIP code 77021 in?

ZIP code 77021 is in Harris County, Texas (county FIPS code 48201).

What city is ZIP code 77021?

The primary USPS city for 77021 is Houston, TX.

What metro area (MSA) is 77021 in?

77021 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77021?

The 2020 Census population of 77021 was 28,055 residents.

What is the median income in ZIP code 77021?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77021 is about $29,402, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.