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US ZIP Code Profile

ZIP Code 77388
Spring, Texas

ZIP code 77388 is in Spring, located in Harris County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 51,483. The estimated median adjusted gross income per tax return is $51,130, and about 6% of filers report $200,000 or more.

2020 Population
51,483
Census ZCTA
County
Harris
FIPS 48201
Median income (est.)
$51,130
IRS SOI 2022
Land Area
13.872 mi²
+ 0.096 mi² water

01Location & Geography

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

Primary CitySpring, 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
Coordinates30.057833, -95.471
Land / Water Area13.872 mi² land · 0.096 mi² water

02Income & Economics

Distribution of the 23,860 individual tax returns filed in 77388 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.2%
$25K–$50K
21.1%
$50K–$75K
15.8%
$75K–$100K
10.1%
$100K–$200K
18.7%
$200K+
6.2%
The $200,000+ bracket accounts for 29% of 77388's total adjusted gross income, from 6% of returns — a concentration that drives the gap between the median ($51,130) 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 77388's IRS income metrics, 2020–2022.

Median income (2021→2022)
$51,130
▲ 4.6%
Filers earning $200K+
6.2%
▲ 0.6 pt
Total filers
23,860
▲ 1.2%
GET /zipc/v2/zipcodes/77388/soi?year=… $47K 2020 $49K 2021 $51K 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 77388 ZCTA.

2000
26,623
 
2010
40,384
▲ +51.7%
2020
51,483
▲ +27.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number488565
City AliasesSpring

06Frequently Asked Questions

What county is ZIP code 77388 in?

ZIP code 77388 is in Harris County, Texas (county FIPS code 48201).

What city is ZIP code 77388?

The primary USPS city for 77388 is Spring, TX.

What metro area (MSA) is 77388 in?

77388 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77388?

The 2020 Census population of 77388 was 51,483 residents.

What is the median income in ZIP code 77388?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77388 is about $51,130, with around 6% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.