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US ZIP Code Profile

ZIP Code 34947
Fort Pierce, Florida

ZIP code 34947 is in Fort Pierce, located in Saint Lucie County, Florida, within the Port St. Lucie metro area. Its 2020 Census population was 13,933. The estimated median adjusted gross income per tax return is $30,507, and about 1% of filers report $200,000 or more.

2020 Population
13,933
Census ZCTA
County
Saint Lucie
FIPS 12111
Median income (est.)
$30,507
IRS SOI 2022
Land Area
9.627 mi²
+ 0.035 mi² water

01Location & Geography

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

Primary CityFort Pierce, 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
Coordinates27.453848, -80.37373
Land / Water Area9.627 mi² land · 0.035 mi² water

02Income & Economics

Distribution of the 6,290 individual tax returns filed in 34947 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
42.9%
$25K–$50K
32.1%
$50K–$75K
13.7%
$75K–$100K
5.2%
$100K–$200K
5.2%
$200K+
0.8%
The $200,000+ bracket accounts for 9% of 34947's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($30,507) 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 34947's IRS income metrics, 2020–2022.

Median income (2021→2022)
$30,507
▲ 13.2%
Filers earning $200K+
0.8%
▲ 0.1 pt
Total filers
6,290
▲ 3.8%
GET /zipc/v2/zipcodes/34947/soi?year=… $24K 2020 $27K 2021 $31K 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 34947 ZCTA.

2000
10,443
 
2010
12,186
▲ +16.7%
2020
13,933
▲ +14.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 34947. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 34947

Fort Pierce and its immediate neighbors, sorted by distance.

3 mi
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Distance from 34947 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 Number113105
City AliasesFort Pierce

07Frequently Asked Questions

What county is ZIP code 34947 in?

ZIP code 34947 is in Saint Lucie County, Florida (county FIPS code 12111).

What city is ZIP code 34947?

The primary USPS city for 34947 is Fort Pierce, FL.

What metro area (MSA) is 34947 in?

34947 is part of the Port St. Lucie, FL Metro Area (MSA code 38940).

What is the population of ZIP code 34947?

The 2020 Census population of 34947 was 13,933 residents.

What is the median income in ZIP code 34947?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 34947 is about $30,507, with around 1% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.