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US ZIP Code Profile

ZIP Code 77375
Tomball, Texas

ZIP code 77375 is in Tomball, located in Harris County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 65,365. The estimated median adjusted gross income per tax return is $56,818, and about 10% of filers report $200,000 or more.

2020 Population
65,365
Census ZCTA
County
Harris
FIPS 48201
Median income (est.)
$56,818
IRS SOI 2022
Land Area
34.31 mi²
+ 0.27 mi² water

01Location & Geography

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

Primary CityTomball, 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
Coordinates30.094666, -95.58619
Land / Water Area34.31 mi² land · 0.27 mi² water

02Income & Economics

Distribution of the 29,720 individual tax returns filed in 77375 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
25.5%
$25K–$50K
20.4%
$50K–$75K
14.8%
$75K–$100K
10.2%
$100K–$200K
18.9%
$200K+
10.2%
The $200,000+ bracket accounts for 47% of 77375's total adjusted gross income, from 10% of returns — a concentration that drives the gap between the median ($56,818) 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 77375's IRS income metrics, 2020–2022.

Median income (2021→2022)
$56,818
▲ 5.6%
Filers earning $200K+
10.2%
▲ 1.0 pt
Total filers
29,720
▲ 3.8%
GET /zipc/v2/zipcodes/77375/soi?year=… $50K 2020 $54K 2021 $57K 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 77375 ZCTA.

2000
34,384
 
2010
39,351
▲ +14.4%
2020
65,365
▲ +66.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number489045
City AliasesRose Hill, The Woodlands, Tomball

06Frequently Asked Questions

What county is ZIP code 77375 in?

ZIP code 77375 is in Harris County, Texas (county FIPS code 48201).

What city is ZIP code 77375?

The primary USPS city for 77375 is Tomball, TX.

What metro area (MSA) is 77375 in?

77375 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77375?

The 2020 Census population of 77375 was 65,365 residents.

What is the median income in ZIP code 77375?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77375 is about $56,818, with around 10% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.