Get API Key →
US ZIP Code Profile

ZIP Code 33770
Largo, Florida

ZIP code 33770 is in Largo, located in Pinellas County, Florida, within the Tampa-St. Petersburg-Clearwater metro area. Its 2020 Census population was 25,475. The estimated median adjusted gross income per tax return is $43,231, and about 5% of filers report $200,000 or more.

2020 Population
25,475
Census ZCTA
County
Pinellas
FIPS 12103
Median income (est.)
$43,231
IRS SOI 2022
Land Area
5.183 mi²
+ 0.53 mi² water

01Location & Geography

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

Primary CityLargo, FL
CountyPinellas County (FIPS 12103)
StateFlorida (FIPS 12)
Metro Area (MSA)Tampa-St. Petersburg-Clearwater, FL Metro Area (45300)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates27.91511, -82.80402
Land / Water Area5.183 mi² land · 0.53 mi² water

02Income & Economics

Distribution of the 12,270 individual tax returns filed in 33770 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
29.3%
$25K–$50K
28.4%
$50K–$75K
15.7%
$75K–$100K
8.7%
$100K–$200K
12.6%
$200K+
5.2%
The $200,000+ bracket accounts for 42% of 33770's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($43,231) 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 33770's IRS income metrics, 2020–2022.

Median income (2021→2022)
$43,231
▲ 6.1%
Filers earning $200K+
5.2%
▲ 0.4 pt
Total filers
12,270
▼ 0.4%
GET /zipc/v2/zipcodes/33770/soi?year=… $37K 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 33770 ZCTA.

2000
24,394
 
2010
25,281
▲ +3.6%
2020
25,475
▲ +0.8%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 33770. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 33770

Largo and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 33770 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 Number115085
City AliasesLargo, Belleair Bluffs, Belleair Blf

07Frequently Asked Questions

What county is ZIP code 33770 in?

ZIP code 33770 is in Pinellas County, Florida (county FIPS code 12103).

What city is ZIP code 33770?

The primary USPS city for 33770 is Largo, FL.

What metro area (MSA) is 33770 in?

33770 is part of the Tampa-St. Petersburg-Clearwater, FL Metro Area (MSA code 45300).

What is the population of ZIP code 33770?

The 2020 Census population of 33770 was 25,475 residents.

What is the median income in ZIP code 33770?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 33770 is about $43,231, 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.