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US ZIP Code Profile

ZIP Code 33830
Bartow, Florida

ZIP code 33830 is in Bartow, located in Polk County, Florida, within the Lakeland-Winter Haven metro area. Its 2020 Census population was 29,926. The estimated median adjusted gross income per tax return is $40,801, and about 3% of filers report $200,000 or more.

2020 Population
29,926
Census ZCTA
County
Polk
FIPS 12105
Median income (est.)
$40,801
IRS SOI 2022
Land Area
127.286 mi²
+ 19.705 mi² water

01Location & Geography

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

Primary CityBartow, 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
Coordinates27.873499, -81.8127
Land / Water Area127.286 mi² land · 19.705 mi² water

02Income & Economics

Distribution of the 13,450 individual tax returns filed in 33830 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.7%
$25K–$50K
29.0%
$50K–$75K
15.5%
$75K–$100K
8.9%
$100K–$200K
12.3%
$200K+
2.6%
The $200,000+ bracket accounts for 20% of 33830's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($40,801) 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 33830's IRS income metrics, 2020–2022.

Median income (2021→2022)
$40,801
▲ 8.4%
Filers earning $200K+
2.6%
▲ 0.6 pt
Total filers
13,450
▲ 4.2%
GET /zipc/v2/zipcodes/33830/soi?year=… $35K 2020 $38K 2021 $41K 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 33830 ZCTA.

2000
25,723
 
2010
27,542
▲ +7.1%
2020
29,926
▲ +8.7%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number110555
City AliasesBartow

06Frequently Asked Questions

What county is ZIP code 33830 in?

ZIP code 33830 is in Polk County, Florida (county FIPS code 12105).

What city is ZIP code 33830?

The primary USPS city for 33830 is Bartow, FL.

What metro area (MSA) is 33830 in?

33830 is part of the Lakeland-Winter Haven, FL Metro Area (MSA code 29460).

What is the population of ZIP code 33830?

The 2020 Census population of 33830 was 29,926 residents.

What is the median income in ZIP code 33830?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 33830 is about $40,801, 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.