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US ZIP Code Profile

ZIP Code 33801
Lakeland, Florida

ZIP code 33801 is in Lakeland, located in Polk County, Florida, within the Lakeland-Winter Haven metro area. Its 2020 Census population was 36,798. The estimated median adjusted gross income per tax return is $33,998, and about 2% of filers report $200,000 or more.

2020 Population
36,798
Census ZCTA
County
Polk
FIPS 12105
Median income (est.)
$33,998
IRS SOI 2022
Land Area
19.102 mi²
+ 1.96 mi² water

01Location & Geography

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

Primary CityLakeland, 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
Coordinates28.035978, -81.899635
Land / Water Area19.102 mi² land · 1.96 mi² water

02Income & Economics

Distribution of the 14,640 individual tax returns filed in 33801 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
38.0%
$25K–$50K
33.4%
$50K–$75K
14.3%
$75K–$100K
6.8%
$100K–$200K
5.9%
$200K+
1.6%
The $200,000+ bracket accounts for 19% of 33801's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($33,998) 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 33801's IRS income metrics, 2020–2022.

Median income (2021→2022)
$33,998
▲ 13.0%
Filers earning $200K+
1.6%
▲ 0.5 pt
Total filers
14,640
▲ 1.5%
GET /zipc/v2/zipcodes/33801/soi?year=… $27K 2020 $30K 2021 $34K 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 33801 ZCTA.

2000
31,593
 
2010
33,741
▲ +6.8%
2020
36,798
▲ +9.1%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 33801. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 33801

Lakeland and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 33801 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 ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number114920
City AliasesLakeland

07Frequently Asked Questions

What county is ZIP code 33801 in?

ZIP code 33801 is in Polk County, Florida (county FIPS code 12105).

What city is ZIP code 33801?

The primary USPS city for 33801 is Lakeland, FL.

What metro area (MSA) is 33801 in?

33801 is part of the Lakeland-Winter Haven, FL Metro Area (MSA code 29460).

What is the population of ZIP code 33801?

The 2020 Census population of 33801 was 36,798 residents.

What is the median income in ZIP code 33801?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 33801 is about $33,998, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.