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US ZIP Code Profile

ZIP Code 33576
San Antonio, Florida

ZIP code 33576 is in San Antonio, located in Pasco County, Florida, within the Tampa-St. Petersburg-Clearwater metro area. Its 2020 Census population was 4,879. The estimated median adjusted gross income per tax return is $65,948, and about 7% of filers report $200,000 or more.

2020 Population
4,879
Census ZCTA
County
Pasco
FIPS 12101
Median income (est.)
$65,948
IRS SOI 2022
Land Area
15.859 mi²
+ 0.112 mi² water

01Location & Geography

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

Primary CitySan Antonio, FL
CountyPasco County (FIPS 12101)
StateFlorida (FIPS 12)
Metro Area (MSA)Tampa-St. Petersburg-Clearwater, FL Metro Area (45300)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates28.335741, -82.33784
Land / Water Area15.859 mi² land · 0.112 mi² water

02Income & Economics

Distribution of the 3,960 individual tax returns filed in 33576 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
22.0%
$25K–$50K
18.7%
$50K–$75K
14.6%
$75K–$100K
12.9%
$100K–$200K
24.5%
$200K+
7.3%
The $200,000+ bracket accounts for 31% of 33576's total adjusted gross income, from 7% of returns — a concentration that drives the gap between the median ($65,948) 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 33576's IRS income metrics, 2020–2022.

Median income (2021→2022)
$65,948
▲ 7.5%
Filers earning $200K+
7.3%
▲ 0.9 pt
Total filers
3,960
▲ 14.8%
GET /zipc/v2/zipcodes/33576/soi?year=… $54K 2020 $61K 2021 $66K 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 33576 ZCTA.

2000
2,356
 
2010
3,784
▲ +60.6%
2020
4,879
▲ +28.9%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number118325
City AliasesSan Antonio, Innovation

06Frequently Asked Questions

What county is ZIP code 33576 in?

ZIP code 33576 is in Pasco County, Florida (county FIPS code 12101).

What city is ZIP code 33576?

The primary USPS city for 33576 is San Antonio, FL.

What metro area (MSA) is 33576 in?

33576 is part of the Tampa-St. Petersburg-Clearwater, FL Metro Area (MSA code 45300).

What is the population of ZIP code 33576?

The 2020 Census population of 33576 was 4,879 residents.

What is the median income in ZIP code 33576?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 33576 is about $65,948, with around 7% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.