Get API Key →
US ZIP Code Profile

ZIP Code 76643
Hewitt, Texas

ZIP code 76643 is in Hewitt, located in Mclennan County, Texas, within the Waco metro area. Its 2020 Census population was 16,044. The estimated median adjusted gross income per tax return is $53,571, and about 5% of filers report $200,000 or more.

2020 Population
16,044
Census ZCTA
County
Mclennan
FIPS 48309
Median income (est.)
$53,571
IRS SOI 2022
Land Area
8.046 mi²
+ 0.006 mi² water

01Location & Geography

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

Primary CityHewitt, TX
CountyMclennan County (FIPS 48309)
StateTexas (FIPS 48)
Metro Area (MSA)Waco, TX Metro Area (47380)
Census Region / DivisionSouth Region · West South Central Division
Coordinates31.4535, -97.195335
Land / Water Area8.046 mi² land · 0.006 mi² water

02Income & Economics

Distribution of the 7,540 individual tax returns filed in 76643 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
24.0%
$25K–$50K
23.7%
$50K–$75K
15.8%
$75K–$100K
11.8%
$100K–$200K
20.2%
$200K+
4.5%
The $200,000+ bracket accounts for 20% of 76643's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($53,571) 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 76643's IRS income metrics, 2020–2022.

Median income (2021→2022)
$53,571
▲ 7.7%
Filers earning $200K+
4.5%
▲ 1.0 pt
Total filers
7,540
▲ 0.8%
GET /zipc/v2/zipcodes/76643/soi?year=… $48K 2020 $50K 2021 $54K 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 76643 ZCTA.

2000
11,279
 
2010
13,554
▲ +20.2%
2020
16,044
▲ +18.4%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number484025
City AliasesHewitt

06Frequently Asked Questions

What county is ZIP code 76643 in?

ZIP code 76643 is in Mclennan County, Texas (county FIPS code 48309).

What city is ZIP code 76643?

The primary USPS city for 76643 is Hewitt, TX.

What metro area (MSA) is 76643 in?

76643 is part of the Waco, TX Metro Area (MSA code 47380).

What is the population of ZIP code 76643?

The 2020 Census population of 76643 was 16,044 residents.

What is the median income in ZIP code 76643?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 76643 is about $53,571, 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.