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US ZIP Code Profile

ZIP Code 77836
Caldwell, Texas

ZIP code 77836 is in Caldwell, located in Burleson County, Texas, within the College Station-Bryan metro area. Its 2020 Census population was 11,721. The estimated median adjusted gross income per tax return is $45,896, and about 5% of filers report $200,000 or more.

2020 Population
11,721
Census ZCTA
County
Burleson
FIPS 48051
Median income (est.)
$45,896
IRS SOI 2022
Land Area
441.335 mi²
+ 5.911 mi² water

01Location & Geography

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

Primary CityCaldwell, TX
CountyBurleson County (FIPS 48051)
StateTexas (FIPS 48)
Metro Area (MSA)College Station-Bryan, TX Metro Area (17780)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.541565, -96.67623
Land / Water Area441.335 mi² land · 5.911 mi² water

02Income & Economics

Distribution of the 5,620 individual tax returns filed in 77836 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
30.1%
$25K–$50K
23.8%
$50K–$75K
14.6%
$75K–$100K
10.3%
$100K–$200K
16.4%
$200K+
4.8%
The $200,000+ bracket accounts for 34% of 77836's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($45,896) 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 77836's IRS income metrics, 2020–2022.

Median income (2021→2022)
$45,896
▲ 6.6%
Filers earning $200K+
4.8%
▲ 0.2 pt
Total filers
5,620
▲ 2.7%
GET /zipc/v2/zipcodes/77836/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 77836 ZCTA.

2000
10,716
 
2010
11,896
▲ +11.0%
2020
11,721
▼ -1.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number481320
City AliasesCaldwell

06Frequently Asked Questions

What county is ZIP code 77836 in?

ZIP code 77836 is in Burleson County, Texas (county FIPS code 48051).

What city is ZIP code 77836?

The primary USPS city for 77836 is Caldwell, TX.

What metro area (MSA) is 77836 in?

77836 is part of the College Station-Bryan, TX Metro Area (MSA code 17780).

What is the population of ZIP code 77836?

The 2020 Census population of 77836 was 11,721 residents.

What is the median income in ZIP code 77836?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77836 is about $45,896, 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.