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US ZIP Code Profile

ZIP Code 33603
Tampa, Florida

ZIP code 33603 is in Tampa, located in Hillsborough County, Florida, within the Tampa-St. Petersburg-Clearwater metro area. Its 2020 Census population was 19,070. The estimated median adjusted gross income per tax return is $45,850, and about 6% of filers report $200,000 or more.

2020 Population
19,070
Census ZCTA
County
Hillsborough
FIPS 12057
Median income (est.)
$45,850
IRS SOI 2022
Land Area
4.137 mi²
+ 0.097 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
Coordinates27.985619, -82.46444
Land / Water Area4.137 mi² land · 0.097 mi² water

02Income & Economics

Distribution of the 9,720 individual tax returns filed in 33603 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.8%
$25K–$50K
25.4%
$50K–$75K
16.2%
$75K–$100K
8.8%
$100K–$200K
14.6%
$200K+
6.2%
The $200,000+ bracket accounts for 31% of 33603's total adjusted gross income, from 6% of returns — a concentration that drives the gap between the median ($45,850) 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 33603's IRS income metrics, 2020–2022.

Median income (2021→2022)
$45,850
▲ 11.5%
Filers earning $200K+
6.2%
▲ 1.9 pt
Total filers
9,720
▲ 0.5%
GET /zipc/v2/zipcodes/33603/soi?year=… $37K 2020 $41K 2021 $46K 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 33603 ZCTA.

2000
20,947
 
2010
19,100
▼ -8.8%
2020
19,070
▼ -0.2%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 33603. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 33603

Tampa and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 33603 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 Number118925
City AliasesTampa

07Frequently Asked Questions

What county is ZIP code 33603 in?

ZIP code 33603 is in Hillsborough County, Florida (county FIPS code 12057).

What city is ZIP code 33603?

The primary USPS city for 33603 is Tampa, FL.

What metro area (MSA) is 33603 in?

33603 is part of the Tampa-St. Petersburg-Clearwater, FL Metro Area (MSA code 45300).

What is the population of ZIP code 33603?

The 2020 Census population of 33603 was 19,070 residents.

What is the median income in ZIP code 33603?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 33603 is about $45,850, with around 6% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.