Get API Key →
US ZIP Code Profile

ZIP Code 76537
Jarrell, Texas

ZIP code 76537 is in Jarrell, located in Williamson County, Texas, within the Austin-Round Rock metro area. Its 2020 Census population was 10,943. The estimated median adjusted gross income per tax return is $55,603, and about 2% of filers report $200,000 or more.

2020 Population
10,943
Census ZCTA
County
Williamson
FIPS 48491
Median income (est.)
$55,603
IRS SOI 2022
Land Area
53.77 mi²
+ 0.202 mi² water

01Location & Geography

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

Primary CityJarrell, TX
CountyWilliamson County (FIPS 48491)
StateTexas (FIPS 48)
Metro Area (MSA)Austin-Round Rock, TX Metro Area (12420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.817308, -97.60298
Land / Water Area53.77 mi² land · 0.202 mi² water

02Income & Economics

Distribution of the 9,170 individual tax returns filed in 76537 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
20.3%
$25K–$50K
24.8%
$50K–$75K
22.1%
$75K–$100K
14.2%
$100K–$200K
16.8%
$200K+
1.8%
The $200,000+ bracket accounts for 13% of 76537's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($55,603) 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 76537's IRS income metrics, 2020–2022.

Median income (2021→2022)
$55,603
▲ 10.4%
Filers earning $200K+
1.8%
▼ 0.0 pt
Total filers
9,170
▲ 15.6%
GET /zipc/v2/zipcodes/76537/soi?year=… $47K 2020 $50K 2021 $56K 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 76537 ZCTA.

2000
2,173
 
2010
3,870
▲ +78.1%
2020
10,943
▲ +182.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number484410
City AliasesJarrell, New Corn Hill, Theon

06Frequently Asked Questions

What county is ZIP code 76537 in?

ZIP code 76537 is in Williamson County, Texas (county FIPS code 48491).

What city is ZIP code 76537?

The primary USPS city for 76537 is Jarrell, TX.

What metro area (MSA) is 76537 in?

76537 is part of the Austin-Round Rock, TX Metro Area (MSA code 12420).

What is the population of ZIP code 76537?

The 2020 Census population of 76537 was 10,943 residents.

What is the median income in ZIP code 76537?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 76537 is about $55,603, 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.