Get API Key →
US ZIP Code Profile

ZIP Code 77575
Liberty, Texas

ZIP code 77575 is in Liberty, located in Liberty County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 15,768. The estimated median adjusted gross income per tax return is $43,576, and about 4% of filers report $200,000 or more.

2020 Population
15,768
Census ZCTA
County
Liberty
FIPS 48291
Median income (est.)
$43,576
IRS SOI 2022
Land Area
239.41 mi²
+ 6.728 mi² water

01Location & Geography

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

Primary CityLiberty, TX
CountyLiberty County (FIPS 48291)
StateTexas (FIPS 48)
Metro Area (MSA)Houston-The Woodlands-Sugar Land, TX Metro Area (26420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.075659, -94.733444
Land / Water Area239.41 mi² land · 6.728 mi² water

02Income & Economics

Distribution of the 6,100 individual tax returns filed in 77575 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
32.5%
$25K–$50K
23.6%
$50K–$75K
14.4%
$75K–$100K
9.3%
$100K–$200K
15.9%
$200K+
4.3%
The $200,000+ bracket accounts for 27% of 77575's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($43,576) 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 77575's IRS income metrics, 2020–2022.

Median income (2021→2022)
$43,576
▲ 5.8%
Filers earning $200K+
4.3%
▲ 0.6 pt
Total filers
6,100
▲ 0.8%
GET /zipc/v2/zipcodes/77575/soi?year=… $39K 2020 $41K 2021 $44K 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 77575 ZCTA.

2000
14,179
 
2010
15,949
▲ +12.5%
2020
15,768
▼ -1.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number485140
City AliasesAmes, Liberty, Moss Bluff, Moss Hill

06Frequently Asked Questions

What county is ZIP code 77575 in?

ZIP code 77575 is in Liberty County, Texas (county FIPS code 48291).

What city is ZIP code 77575?

The primary USPS city for 77575 is Liberty, TX.

What metro area (MSA) is 77575 in?

77575 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77575?

The 2020 Census population of 77575 was 15,768 residents.

What is the median income in ZIP code 77575?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77575 is about $43,576, 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.