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US ZIP Code Profile

ZIP Code 77535
Dayton, Texas

ZIP code 77535 is in Dayton, located in Liberty County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 36,494. The estimated median adjusted gross income per tax return is $49,038, and about 5% of filers report $200,000 or more.

2020 Population
36,494
Census ZCTA
County
Liberty
FIPS 48291
Median income (est.)
$49,038
IRS SOI 2022
Land Area
313.92 mi²
+ 3.433 mi² water

01Location & Geography

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

Primary CityDayton, 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
Coordinates30.054844, -94.92232
Land / Water Area313.92 mi² land · 3.433 mi² water

02Income & Economics

Distribution of the 15,030 individual tax returns filed in 77535 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
29.2%
$25K–$50K
21.6%
$50K–$75K
14.9%
$75K–$100K
9.8%
$100K–$200K
19.5%
$200K+
5.0%
The $200,000+ bracket accounts for 21% of 77535's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($49,038) 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 77535's IRS income metrics, 2020–2022.

Median income (2021→2022)
$49,038
▲ 6.5%
Filers earning $200K+
5.0%
▲ 1.2 pt
Total filers
15,030
▲ 4.7%
GET /zipc/v2/zipcodes/77535/soi?year=… $44K 2020 $46K 2021 $49K 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 77535 ZCTA.

2000
28,049
 
2010
31,295
▲ +11.6%
2020
36,494
▲ +16.6%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number482315
City AliasesDayton, Eastgate, Kenefick, Mont Belvieu, Old River Winfree, Old Rvr Wnfre, Dayton Lakes

06Frequently Asked Questions

What county is ZIP code 77535 in?

ZIP code 77535 is in Liberty County, Texas (county FIPS code 48291).

What city is ZIP code 77535?

The primary USPS city for 77535 is Dayton, TX.

What metro area (MSA) is 77535 in?

77535 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77535?

The 2020 Census population of 77535 was 36,494 residents.

What is the median income in ZIP code 77535?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77535 is about $49,038, with around 5% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.