01Location & Geography
Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.
| Primary City | Boling, TX |
|---|---|
| County | Wharton County (FIPS 48481) |
| State | Texas (FIPS 48) |
| Metro Area (MSA) | El Campo, TX Micro Area (20900) |
| Census Region / Division | South Region · West South Central Division |
| Coordinates | 29.258986, -95.930305 |
| Land / Water Area | 53.258 mi² land · 1.38 mi² water |
02Income & Economics
Distribution of the 1,170 individual tax returns filed in 77420 by adjusted gross income bracket (IRS SOI, 2022).
03Income Over Time
Year-over-year change in 77420's IRS income metrics, 2020–2022.
04Population Trend
Decennial U.S. Census population for the 77420 ZCTA.
05USPS 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 | 480920 |
| City Aliases | Boling, Iago |
06Frequently Asked Questions
What county is ZIP code 77420 in?
ZIP code 77420 is in Wharton County, Texas (county FIPS code 48481).
What city is ZIP code 77420?
The primary USPS city for 77420 is Boling, TX.
What metro area (MSA) is 77420 in?
77420 is part of the El Campo, TX Micro Area (MSA code 20900).
What is the population of ZIP code 77420?
The 2020 Census population of 77420 was 2,296 residents.
What is the median income in ZIP code 77420?
Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77420 is about $42,083, 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.