01Location & Geography
Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.
| Primary City | Sandy Hook, MS |
|---|---|
| County | Marion County (FIPS 28091) |
| State | Mississippi (FIPS 28) |
| Census Region / Division | South Region · East South Central Division |
| Coordinates | 31.054176, -89.85681 |
| Land / Water Area | 73.856 mi² land · 0.643 mi² water |
02Income & Economics
Distribution of the 730 individual tax returns filed in 39478 by adjusted gross income bracket (IRS SOI, 2022).
03Income Over Time
Year-over-year change in 39478's IRS income metrics, 2020–2022.
04Population Trend
Decennial U.S. Census population for the 39478 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 | 277137 |
| City Aliases | Sandy Hook |
06Frequently Asked Questions
What county is ZIP code 39478 in?
ZIP code 39478 is in Marion County, Mississippi (county FIPS code 28091).
What city is ZIP code 39478?
The primary USPS city for 39478 is Sandy Hook, MS.
What is the population of ZIP code 39478?
The 2020 Census population of 39478 was 1,974 residents.
What is the median income in ZIP code 39478?
Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 39478 is about $38,971. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.