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US ZIP Code Profile

ZIP Code 34984
Port Saint Lucie, Florida

ZIP code 34984 is in Port Saint Lucie, located in Saint Lucie County, Florida, within the Port St. Lucie metro area. Its 2020 Census population was 16,721. The estimated median adjusted gross income per tax return is $46,502, and about 5% of filers report $200,000 or more.

2020 Population
16,721
Census ZCTA
County
Saint Lucie
FIPS 12111
Median income (est.)
$46,502
IRS SOI 2022
Land Area
9.784 mi²
+ 0.228 mi² water

01Location & Geography

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

Primary CityPort Saint Lucie, FL
CountySaint Lucie County (FIPS 12111)
StateFlorida (FIPS 12)
Metro Area (MSA)Port St. Lucie, FL Metro Area (38940)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates27.249004, -80.33055
Land / Water Area9.784 mi² land · 0.228 mi² water

02Income & Economics

Distribution of the 9,760 individual tax returns filed in 34984 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.6%
$25K–$50K
24.9%
$50K–$75K
16.2%
$75K–$100K
9.8%
$100K–$200K
15.4%
$200K+
5.1%
The $200,000+ bracket accounts for 32% of 34984's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($46,502) 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 34984's IRS income metrics, 2020–2022.

Median income (2021→2022)
$46,502
▲ 5.8%
Filers earning $200K+
5.1%
▲ 0.8 pt
Total filers
9,760
▲ 6.4%
GET /zipc/v2/zipcodes/34984/soi?year=… $40K 2020 $44K 2021 $47K 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 34984 ZCTA.

2000
9,766
 
2010
13,764
▲ +40.9%
2020
16,721
▲ +21.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number113108
City AliasesFort Pierce, Port St Lucie, Port Saint Lucie

06Frequently Asked Questions

What county is ZIP code 34984 in?

ZIP code 34984 is in Saint Lucie County, Florida (county FIPS code 12111).

What city is ZIP code 34984?

The primary USPS city for 34984 is Port Saint Lucie, FL.

What metro area (MSA) is 34984 in?

34984 is part of the Port St. Lucie, FL Metro Area (MSA code 38940).

What is the population of ZIP code 34984?

The 2020 Census population of 34984 was 16,721 residents.

What is the median income in ZIP code 34984?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 34984 is about $46,502, 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.