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US ZIP Code Profile

ZIP Code 77018
Houston, Texas

ZIP code 77018 is in Houston, located in Harris County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 27,870. The estimated median adjusted gross income per tax return is $92,202, and about 27% of filers report $200,000 or more.

2020 Population
27,870
Census ZCTA
County
Harris
FIPS 48201
Median income (est.)
$92,202
IRS SOI 2022
Land Area
6.621 mi²
+ 0.027 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
Coordinates29.826448, -95.42627
Land / Water Area6.621 mi² land · 0.027 mi² water

02Income & Economics

Distribution of the 13,340 individual tax returns filed in 77018 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
18.8%
$25K–$50K
14.5%
$50K–$75K
11.1%
$75K–$100K
8.2%
$100K–$200K
20.4%
$200K+
27.1%
The $200,000+ bracket accounts for 73% of 77018's total adjusted gross income, from 27% of returns — a concentration that drives the gap between the median ($92,202) 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 77018's IRS income metrics, 2020–2022.

Median income (2021→2022)
$92,202
▲ 8.6%
Filers earning $200K+
27.1%
▲ 2.2 pt
Total filers
13,340
▲ 2.5%
GET /zipc/v2/zipcodes/77018/soi?year=… $74K 2020 $85K 2021 $92K 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 77018 ZCTA.

2000
26,397
 
2010
25,563
▼ -3.2%
2020
27,870
▲ +9.0%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 77018. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 77018

Houston and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 77018 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 77018 in?

ZIP code 77018 is in Harris County, Texas (county FIPS code 48201).

What city is ZIP code 77018?

The primary USPS city for 77018 is Houston, TX.

What metro area (MSA) is 77018 in?

77018 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77018?

The 2020 Census population of 77018 was 27,870 residents.

What is the median income in ZIP code 77018?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77018 is about $92,202, with around 27% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.