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US ZIP Code Profile

ZIP Code 33621
Tampa, Florida

ZIP code 33621 is in Tampa, located in Hillsborough County, Florida, within the Tampa-St. Petersburg-Clearwater metro area. Its 2020 Census population was 1,878. The estimated median adjusted gross income per tax return is $52,344, and about 5% of filers report $200,000 or more.

2020 Population
1,878
Census ZCTA
County
Hillsborough
FIPS 12057
Median income (est.)
$52,344
IRS SOI 2022
Land Area
8.33 mi²
+ 1.481 mi² water

01Location & Geography

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

Primary CityTampa, FL
CountyHillsborough County (FIPS 12057)
StateFlorida (FIPS 12)
Metro Area (MSA)Tampa-St. Petersburg-Clearwater, FL Metro Area (45300)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates27.849178, -82.51078
Land / Water Area8.33 mi² land · 1.481 mi² water

02Income & Economics

Distribution of the 830 individual tax returns filed in 33621 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
24.1%
$25K–$50K
24.1%
$50K–$75K
19.3%
$75K–$100K
10.8%
$100K–$200K
16.9%
$200K+
4.8%
The $200,000+ bracket accounts for 18% of 33621's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($52,344) 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 33621's IRS income metrics, 2020–2022.

Median income (2021→2022)
$52,344
▲ 3.1%
Filers earning $200K+
4.8%
▲ 1.1 pt
Total filers
830
▲ 2.5%
GET /zipc/v2/zipcodes/33621/soi?year=… $44K 2020 $51K 2021 $52K 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 33621 ZCTA.

2000
2,689
 
2010
1,643
▼ -38.9%
2020
1,878
▲ +14.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 33621. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 33621

Tampa and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 33621 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 SortC
USPS Finance Number118925
City AliasesTampa

07Frequently Asked Questions

What county is ZIP code 33621 in?

ZIP code 33621 is in Hillsborough County, Florida (county FIPS code 12057).

What city is ZIP code 33621?

The primary USPS city for 33621 is Tampa, FL.

What metro area (MSA) is 33621 in?

33621 is part of the Tampa-St. Petersburg-Clearwater, FL Metro Area (MSA code 45300).

What is the population of ZIP code 33621?

The 2020 Census population of 33621 was 1,878 residents.

What is the median income in ZIP code 33621?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 33621 is about $52,344, with around 5% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.