01Location & Geography
Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.
| Primary City | Winter Haven, FL |
|---|---|
| County | Polk County (FIPS 12105) |
| State | Florida (FIPS 12) |
| Metro Area (MSA) | Lakeland-Winter Haven, FL Metro Area (29460) |
| Census Region / Division | South Region · South Atlantic Division |
| Coordinates | 28.057789, -81.71741 |
| Land / Water Area | 21.845 mi² land · 6.812 mi² water |
02Income & Economics
Distribution of the 19,510 individual tax returns filed in 33881 by adjusted gross income bracket (IRS SOI, 2022).
03Income Over Time
Year-over-year change in 33881's IRS income metrics, 2020–2022.
04Population Trend
Decennial U.S. Census population for the 33881 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 | D |
| USPS Finance Number | 119660 |
| City Aliases | Florence Villa, Winter Haven |
06Frequently Asked Questions
What county is ZIP code 33881 in?
ZIP code 33881 is in Polk County, Florida (county FIPS code 12105).
What city is ZIP code 33881?
The primary USPS city for 33881 is Winter Haven, FL.
What metro area (MSA) is 33881 in?
33881 is part of the Lakeland-Winter Haven, FL Metro Area (MSA code 29460).
What is the population of ZIP code 33881?
The 2020 Census population of 33881 was 38,369 residents.
What is the median income in ZIP code 33881?
Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 33881 is about $36,671, 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.