Get API Key →
US ZIP Code Profile

ZIP Code 77520
Baytown, Texas

ZIP code 77520 is in Baytown, located in Harris County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 38,587. The estimated median adjusted gross income per tax return is $37,038, and about 2% of filers report $200,000 or more.

2020 Population
38,587
Census ZCTA
County
Harris
FIPS 48201
Median income (est.)
$37,038
IRS SOI 2022
Land Area
24.059 mi²
+ 13.556 mi² water

01Location & Geography

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

Primary CityBaytown, 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
Coordinates29.733274, -94.99412
Land / Water Area24.059 mi² land · 13.556 mi² water

02Income & Economics

Distribution of the 15,650 individual tax returns filed in 77520 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
36.7%
$25K–$50K
27.7%
$50K–$75K
16.2%
$75K–$100K
8.7%
$100K–$200K
9.2%
$200K+
1.5%
The $200,000+ bracket accounts for 10% of 77520's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($37,038) 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 77520's IRS income metrics, 2020–2022.

Median income (2021→2022)
$37,038
▲ 10.2%
Filers earning $200K+
1.5%
▲ 0.2 pt
Total filers
15,650
▲ 0.2%
GET /zipc/v2/zipcodes/77520/soi?year=… $32K 2020 $34K 2021 $37K 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 77520 ZCTA.

2000
46,499
 
2010
36,489
▼ -21.5%
2020
38,587
▲ +5.7%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number480600
City AliasesBaytown, Bayway, Beach City, Cedar Point, Cove, Garth, Lakewood, Lynchburg, Mcnair, Mont Belvieu, Stewart Heights, Old River Winfree, Old Rvr Wnfre

06Frequently Asked Questions

What county is ZIP code 77520 in?

ZIP code 77520 is in Harris County, Texas (county FIPS code 48201).

What city is ZIP code 77520?

The primary USPS city for 77520 is Baytown, TX.

What metro area (MSA) is 77520 in?

77520 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77520?

The 2020 Census population of 77520 was 38,587 residents.

What is the median income in ZIP code 77520?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77520 is about $37,038, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.