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US ZIP Code Profile

ZIP Code 77833
Brenham, Texas

ZIP code 77833 is in Brenham, located in Washington County, Texas, within the Brenham metro area. Its 2020 Census population was 29,431. The estimated median adjusted gross income per tax return is $45,629, and about 7% of filers report $200,000 or more.

2020 Population
29,431
Census ZCTA
County
Washington
FIPS 48477
Median income (est.)
$45,629
IRS SOI 2022
Land Area
313.848 mi²
+ 6.382 mi² water

01Location & Geography

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

Primary CityBrenham, TX
CountyWashington County (FIPS 48477)
StateTexas (FIPS 48)
Metro Area (MSA)Brenham, TX Micro Area (14780)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.215075, -96.41027
Land / Water Area313.848 mi² land · 6.382 mi² water

02Income & Economics

Distribution of the 12,990 individual tax returns filed in 77833 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
30.6%
$25K–$50K
23.6%
$50K–$75K
14.2%
$75K–$100K
9.3%
$100K–$200K
15.7%
$200K+
6.7%
The $200,000+ bracket accounts for 40% of 77833's total adjusted gross income, from 7% of returns — a concentration that drives the gap between the median ($45,629) 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 77833's IRS income metrics, 2020–2022.

Median income (2021→2022)
$45,629
▲ 5.7%
Filers earning $200K+
6.7%
▲ 0.5 pt
Total filers
12,990
▲ 4.0%
GET /zipc/v2/zipcodes/77833/soi?year=… $41K 2020 $43K 2021 $46K 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 77833 ZCTA.

2000
25,517
 
2010
27,492
▲ +7.7%
2020
29,431
▲ +7.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number481045
City AliasesBrenham, Gay Hill, Independence

06Frequently Asked Questions

What county is ZIP code 77833 in?

ZIP code 77833 is in Washington County, Texas (county FIPS code 48477).

What city is ZIP code 77833?

The primary USPS city for 77833 is Brenham, TX.

What metro area (MSA) is 77833 in?

77833 is part of the Brenham, TX Micro Area (MSA code 14780).

What is the population of ZIP code 77833?

The 2020 Census population of 77833 was 29,431 residents.

What is the median income in ZIP code 77833?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77833 is about $45,629, 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.