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US ZIP Code Profile

ZIP Code 34956
Indiantown, Florida

ZIP code 34956 is in Indiantown, located in Martin County, Florida, within the Port St. Lucie metro area. Its 2020 Census population was 10,322. The estimated median adjusted gross income per tax return is $34,809, and about 2% of filers report $200,000 or more.

2020 Population
10,322
Census ZCTA
County
Martin
FIPS 12085
Median income (est.)
$34,809
IRS SOI 2022
Land Area
208.156 mi²
+ 3.401 mi² water

01Location & Geography

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

Primary CityIndiantown, FL
CountyMartin County (FIPS 12085)
StateFlorida (FIPS 12)
Metro Area (MSA)Port St. Lucie, FL Metro Area (38940)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates27.098265, -80.49961
Land / Water Area208.156 mi² land · 3.401 mi² water

02Income & Economics

Distribution of the 3,830 individual tax returns filed in 34956 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
35.2%
$25K–$50K
37.6%
$50K–$75K
13.8%
$75K–$100K
6.0%
$100K–$200K
5.7%
$200K+
1.6%
The $200,000+ bracket accounts for 19% of 34956's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($34,809) 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 34956's IRS income metrics, 2020–2022.

Median income (2021→2022)
$34,809
▲ 10.6%
Filers earning $200K+
1.6%
▲ 0.2 pt
Total filers
3,830
▲ 5.5%
GET /zipc/v2/zipcodes/34956/soi?year=… $28K 2020 $31K 2021 $35K 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 34956 ZCTA.

2000
8,992
 
2010
9,874
▲ +9.8%
2020
10,322
▲ +4.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number114245
City AliasesIndiantown

06Frequently Asked Questions

What county is ZIP code 34956 in?

ZIP code 34956 is in Martin County, Florida (county FIPS code 12085).

What city is ZIP code 34956?

The primary USPS city for 34956 is Indiantown, FL.

What metro area (MSA) is 34956 in?

34956 is part of the Port St. Lucie, FL Metro Area (MSA code 38940).

What is the population of ZIP code 34956?

The 2020 Census population of 34956 was 10,322 residents.

What is the median income in ZIP code 34956?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 34956 is about $34,809, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.