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US ZIP Code Profile

ZIP Code 33868
Polk City, Florida

ZIP code 33868 is in Polk City, located in Polk County, Florida, within the Lakeland-Winter Haven metro area. Its 2020 Census population was 12,906. The estimated median adjusted gross income per tax return is $45,047, and about 3% of filers report $200,000 or more.

2020 Population
12,906
Census ZCTA
County
Polk
FIPS 12105
Median income (est.)
$45,047
IRS SOI 2022
Land Area
166.562 mi²
+ 4.493 mi² water

01Location & Geography

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

Primary CityPolk City, FL
CountyPolk County (FIPS 12105)
StateFlorida (FIPS 12)
Metro Area (MSA)Lakeland-Winter Haven, FL Metro Area (29460)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates28.240843, -81.826614
Land / Water Area166.562 mi² land · 4.493 mi² water

02Income & Economics

Distribution of the 5,850 individual tax returns filed in 33868 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.2%
$25K–$50K
27.2%
$50K–$75K
16.9%
$75K–$100K
10.4%
$100K–$200K
14.0%
$200K+
3.2%
The $200,000+ bracket accounts for 25% of 33868's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($45,047) 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 33868's IRS income metrics, 2020–2022.

Median income (2021→2022)
$45,047
▲ 8.6%
Filers earning $200K+
3.2%
▲ 0.0 pt
Total filers
5,850
▲ 5.0%
GET /zipc/v2/zipcodes/33868/soi?year=… $38K 2020 $41K 2021 $45K 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 33868 ZCTA.

2000
10,885
 
2010
11,720
▲ +7.7%
2020
12,906
▲ +10.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number117605
City AliasesPolk City

06Frequently Asked Questions

What county is ZIP code 33868 in?

ZIP code 33868 is in Polk County, Florida (county FIPS code 12105).

What city is ZIP code 33868?

The primary USPS city for 33868 is Polk City, FL.

What metro area (MSA) is 33868 in?

33868 is part of the Lakeland-Winter Haven, FL Metro Area (MSA code 29460).

What is the population of ZIP code 33868?

The 2020 Census population of 33868 was 12,906 residents.

What is the median income in ZIP code 33868?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 33868 is about $45,047, 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.