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US ZIP Code Profile

ZIP Code 77430
Damon, Texas

ZIP code 77430 is in Damon, located in Brazoria County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 2,224. The estimated median adjusted gross income per tax return is $54,464, and about 9% of filers report $200,000 or more.

2020 Population
2,224
Census ZCTA
County
Brazoria
FIPS 48039
Median income (est.)
$54,464
IRS SOI 2022
Land Area
111.638 mi²
+ 8.29 mi² water

01Location & Geography

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

Primary CityDamon, TX
CountyBrazoria County (FIPS 48039)
StateTexas (FIPS 48)
Metro Area (MSA)Houston-The Woodlands-Sugar Land, TX Metro Area (26420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.259878, -95.66766
Land / Water Area111.638 mi² land · 8.29 mi² water

02Income & Economics

Distribution of the 1,090 individual tax returns filed in 77430 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
27.5%
$25K–$50K
20.2%
$50K–$75K
12.8%
$75K–$100K
8.3%
$100K–$200K
22.0%
$200K+
9.2%
The $200,000+ bracket accounts for 37% of 77430's total adjusted gross income, from 9% of returns — a concentration that drives the gap between the median ($54,464) 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 77430's IRS income metrics, 2020–2022.

Median income (2021→2022)
$54,464
▲ 8.9%
Filers earning $200K+
9.2%
▲ 1.8 pt
Total filers
1,090
▲ 0.9%
GET /zipc/v2/zipcodes/77430/soi?year=… $48K 2020 $50K 2021 $54K 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 77430 ZCTA.

2000
2,302
 
2010
2,283
▼ -0.8%
2020
2,224
▼ -2.6%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number482275
City AliasesDamon

06Frequently Asked Questions

What county is ZIP code 77430 in?

ZIP code 77430 is in Brazoria County, Texas (county FIPS code 48039).

What city is ZIP code 77430?

The primary USPS city for 77430 is Damon, TX.

What metro area (MSA) is 77430 in?

77430 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77430?

The 2020 Census population of 77430 was 2,224 residents.

What is the median income in ZIP code 77430?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77430 is about $54,464, with around 9% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.