Get API Key →
US ZIP Code Profile

ZIP Code 77389
Spring, Texas

ZIP code 77389 is in Spring, located in Harris County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 41,534. The estimated median adjusted gross income per tax return is $72,534, and about 21% of filers report $200,000 or more.

2020 Population
41,534
Census ZCTA
County
Harris
FIPS 48201
Median income (est.)
$72,534
IRS SOI 2022
Land Area
20.997 mi²
+ 0.135 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
Coordinates30.123468, -95.51707
Land / Water Area20.997 mi² land · 0.135 mi² water

02Income & Economics

Distribution of the 18,410 individual tax returns filed in 77389 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
22.8%
$25K–$50K
16.6%
$50K–$75K
11.8%
$75K–$100K
8.2%
$100K–$200K
20.0%
$200K+
20.6%
The $200,000+ bracket accounts for 69% of 77389's total adjusted gross income, from 21% of returns — a concentration that drives the gap between the median ($72,534) 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 77389's IRS income metrics, 2020–2022.

Median income (2021→2022)
$72,534
▲ 2.3%
Filers earning $200K+
20.6%
▲ 1.1 pt
Total filers
18,410
▲ 2.1%
GET /zipc/v2/zipcodes/77389/soi?year=… $69K 2020 $71K 2021 $73K 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 77389 ZCTA.

2000
13,219
 
2010
21,255
▲ +60.8%
2020
41,534
▲ +95.4%

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 AliasesKlein, Spring, The Woodlands

06Frequently Asked Questions

What county is ZIP code 77389 in?

ZIP code 77389 is in Harris County, Texas (county FIPS code 48201).

What city is ZIP code 77389?

The primary USPS city for 77389 is Spring, TX.

What metro area (MSA) is 77389 in?

77389 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77389?

The 2020 Census population of 77389 was 41,534 residents.

What is the median income in ZIP code 77389?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77389 is about $72,534, with around 21% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.