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US ZIP Code Profile

ZIP Code 77975
Moulton, Texas

ZIP code 77975 is in Moulton, located in Lavaca County, Texas. Its 2020 Census population was 1,753. The estimated median adjusted gross income per tax return is $52,083, and about 7% of filers report $200,000 or more.

2020 Population
1,753
Census ZCTA
County
Lavaca
FIPS 48285
Median income (est.)
$52,083
IRS SOI 2022
Land Area
79.422 mi²
+ 0.059 mi² water

01Location & Geography

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

Primary CityMoulton, TX
CountyLavaca County (FIPS 48285)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.559671, -97.08187
Land / Water Area79.422 mi² land · 0.059 mi² water

02Income & Economics

Distribution of the 820 individual tax returns filed in 77975 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
25.6%
$25K–$50K
23.2%
$50K–$75K
14.6%
$75K–$100K
9.8%
$100K–$200K
19.5%
$200K+
7.3%
The $200,000+ bracket accounts for 40% of 77975's total adjusted gross income, from 7% of returns — a concentration that drives the gap between the median ($52,083) 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 77975's IRS income metrics, 2020–2022.

Median income (2021→2022)
$52,083
▲ 14.7%
Filers earning $200K+
7.3%
▲ 1.2 pt
Total filers
820
▲ 1.2%
GET /zipc/v2/zipcodes/77975/soi?year=… $46K 2020 $45K 2021 $52K 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 77975 ZCTA.

2000
1,863
 
2010
1,860
▼ -0.2%
2020
1,753
▼ -5.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number486120
City AliasesMoulton, Novohrad, Old Moulton, Witting

06Frequently Asked Questions

What county is ZIP code 77975 in?

ZIP code 77975 is in Lavaca County, Texas (county FIPS code 48285).

What city is ZIP code 77975?

The primary USPS city for 77975 is Moulton, TX.

What is the population of ZIP code 77975?

The 2020 Census population of 77975 was 1,753 residents.

What is the median income in ZIP code 77975?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77975 is about $52,083, with around 7% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.