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US ZIP Code Profile

ZIP Code 33455
Hobe Sound, Florida

ZIP code 33455 is in Hobe Sound, located in Martin County, Florida, within the Port St. Lucie metro area. Its 2020 Census population was 20,799. The estimated median adjusted gross income per tax return is $61,824, and about 15% of filers report $200,000 or more.

2020 Population
20,799
Census ZCTA
County
Martin
FIPS 12085
Median income (est.)
$61,824
IRS SOI 2022
Land Area
49.023 mi²
+ 7.101 mi² water

01Location & Geography

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

Primary CityHobe Sound, 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
Coordinates27.053677, -80.16232
Land / Water Area49.023 mi² land · 7.101 mi² water

02Income & Economics

Distribution of the 10,820 individual tax returns filed in 33455 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
24.3%
$25K–$50K
19.2%
$50K–$75K
13.7%
$75K–$100K
9.6%
$100K–$200K
18.6%
$200K+
14.6%
The $200,000+ bracket accounts for 84% of 33455's total adjusted gross income, from 15% of returns — a concentration that drives the gap between the median ($61,824) 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 33455's IRS income metrics, 2020–2022.

Median income (2021→2022)
$61,824
▲ 5.4%
Filers earning $200K+
14.6%
▲ 0.7 pt
Total filers
10,820
▲ 3.0%
GET /zipc/v2/zipcodes/33455/soi?year=… $50K 2020 $59K 2021 $62K 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 33455 ZCTA.

2000
16,513
 
2010
19,980
▲ +21.0%
2020
20,799
▲ +4.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number113945
City AliasesHobe Sound, Jupiter Island, Jupiter Isle

06Frequently Asked Questions

What county is ZIP code 33455 in?

ZIP code 33455 is in Martin County, Florida (county FIPS code 12085).

What city is ZIP code 33455?

The primary USPS city for 33455 is Hobe Sound, FL.

What metro area (MSA) is 33455 in?

33455 is part of the Port St. Lucie, FL Metro Area (MSA code 38940).

What is the population of ZIP code 33455?

The 2020 Census population of 33455 was 20,799 residents.

What is the median income in ZIP code 33455?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 33455 is about $61,824, with around 15% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.