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US ZIP Code Profile

ZIP Code 76706
Waco, Texas

ZIP code 76706 is in Waco, located in Mclennan County, Texas, within the Waco metro area. Its 2020 Census population was 39,303. The estimated median adjusted gross income per tax return is $37,290, and about 3% of filers report $200,000 or more.

2020 Population
39,303
Census ZCTA
County
Mclennan
FIPS 48309
Median income (est.)
$37,290
IRS SOI 2022
Land Area
70.485 mi²
+ 1.867 mi² water

01Location & Geography

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

Primary CityWaco, TX
CountyMclennan County (FIPS 48309)
StateTexas (FIPS 48)
Metro Area (MSA)Waco, TX Metro Area (47380)
Census Region / DivisionSouth Region · West South Central Division
Coordinates31.47564, -97.08386
Land / Water Area70.485 mi² land · 1.867 mi² water

02Income & Economics

Distribution of the 13,840 individual tax returns filed in 76706 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
35.2%
$25K–$50K
30.1%
$50K–$75K
14.1%
$75K–$100K
7.2%
$100K–$200K
10.4%
$200K+
3.0%
The $200,000+ bracket accounts for 20% of 76706's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($37,290) 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 76706's IRS income metrics, 2020–2022.

Median income (2021→2022)
$37,290
▲ 11.0%
Filers earning $200K+
3.0%
▲ 0.8 pt
Total filers
13,840
▼ 1.1%
GET /zipc/v2/zipcodes/76706/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 76706 ZCTA.

2000
29,449
 
2010
35,015
▲ +18.9%
2020
39,303
▲ +12.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number489395
City AliasesRobinson, Waco

06Frequently Asked Questions

What county is ZIP code 76706 in?

ZIP code 76706 is in Mclennan County, Texas (county FIPS code 48309).

What city is ZIP code 76706?

The primary USPS city for 76706 is Waco, TX.

What metro area (MSA) is 76706 in?

76706 is part of the Waco, TX Metro Area (MSA code 47380).

What is the population of ZIP code 76706?

The 2020 Census population of 76706 was 39,303 residents.

What is the median income in ZIP code 76706?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 76706 is about $37,290, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.