01Location & Geography
Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.
| Primary City | Mertens, TX |
|---|---|
| County | Hill County (FIPS 48217) |
| State | Texas (FIPS 48) |
| Census Region / Division | South Region · West South Central Division |
| Coordinates | 32.043976, -96.91458 |
| Land / Water Area | 16.379 mi² land · 0.182 mi² water |
02Income & Economics
Distribution of the 120 individual tax returns filed in 76666 by adjusted gross income bracket (IRS SOI, 2022).
03Income Over Time
Year-over-year change in 76666's IRS income metrics, 2020–2022.
04Population Trend
Decennial U.S. Census population for the 76666 ZCTA.
05Nearby ZIP Codes — Live Radius Search
Drag the slider to filter ZIP codes by distance from 76666. Powered by the same radius endpoint developers call from the API.
ZIP codes within range of 76666
Mertens and its immediate neighbors, sorted by distance.
Distance from 76666 to any ZIP
Enter a 5-digit ZIP to calculate the distance.
06USPS Postal Details
Delivery and facility attributes from the monthly USPS dataset.
| ZIP Classification | Non-Unique Zip |
|---|---|
| Facility Type | Post Office |
| Carrier Route Sort | C |
| USPS Finance Number | 485850 |
| City Aliases | Mertens |
07Frequently Asked Questions
What county is ZIP code 76666 in?
ZIP code 76666 is in Hill County, Texas (county FIPS code 48217).
What city is ZIP code 76666?
The primary USPS city for 76666 is Mertens, TX.
What is the population of ZIP code 76666?
The 2020 Census population of 76666 was 305 residents.
What is the median income in ZIP code 76666?
Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 76666 is about $35,000. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.