Get API Key →
US ZIP Code Profile

ZIP Code 33810
Lakeland, Florida

ZIP code 33810 is in Lakeland, located in Polk County, Florida, within the Lakeland-Winter Haven metro area. Its 2020 Census population was 52,037. The estimated median adjusted gross income per tax return is $42,976, and about 3% of filers report $200,000 or more.

2020 Population
52,037
Census ZCTA
County
Polk
FIPS 12105
Median income (est.)
$42,976
IRS SOI 2022
Land Area
56.061 mi²
+ 0.918 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
Coordinates28.1318, -82.03033
Land / Water Area56.061 mi² land · 0.918 mi² water

02Income & Economics

Distribution of the 25,420 individual tax returns filed in 33810 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
30.4%
$25K–$50K
27.3%
$50K–$75K
16.2%
$75K–$100K
9.5%
$100K–$200K
13.3%
$200K+
3.2%
The $200,000+ bracket accounts for 21% of 33810's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($42,976) 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 33810's IRS income metrics, 2020–2022.

Median income (2021→2022)
$42,976
▲ 5.8%
Filers earning $200K+
3.2%
▲ 0.8 pt
Total filers
25,420
▲ 2.6%
GET /zipc/v2/zipcodes/33810/soi?year=… $39K 2020 $41K 2021 $43K 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 33810 ZCTA.

2000
28,563
 
2010
44,254
▲ +54.9%
2020
52,037
▲ +17.6%

05USPS 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

06Frequently Asked Questions

What county is ZIP code 33810 in?

ZIP code 33810 is in Polk County, Florida (county FIPS code 12105).

What city is ZIP code 33810?

The primary USPS city for 33810 is Lakeland, FL.

What metro area (MSA) is 33810 in?

33810 is part of the Lakeland-Winter Haven, FL Metro Area (MSA code 29460).

What is the population of ZIP code 33810?

The 2020 Census population of 33810 was 52,037 residents.

What is the median income in ZIP code 33810?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 33810 is about $42,976, 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.