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US ZIP Code Profile

ZIP Code 33431
Boca Raton, Florida

ZIP code 33431 is in Boca Raton, located in Palm Beach County, Florida, within the Miami-Fort Lauderdale-West Palm Beach metro area. Its 2020 Census population was 22,047. The estimated median adjusted gross income per tax return is $69,257, and about 22% of filers report $200,000 or more.

2020 Population
22,047
Census ZCTA
County
Palm Beach
FIPS 12099
Median income (est.)
$69,257
IRS SOI 2022
Land Area
8.861 mi²
+ 0.817 mi² water

01Location & Geography

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

Primary CityBoca Raton, FL
CountyPalm Beach County (FIPS 12099)
StateFlorida (FIPS 12)
Metro Area (MSA)Miami-Fort Lauderdale-West Palm Beach, FL Metro Area (33100)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates26.37459, -80.10661
Land / Water Area8.861 mi² land · 0.817 mi² water

02Income & Economics

Distribution of the 9,370 individual tax returns filed in 33431 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
25.0%
$25K–$50K
15.9%
$50K–$75K
11.8%
$75K–$100K
8.0%
$100K–$200K
17.4%
$200K+
21.9%
The $200,000+ bracket accounts for 84% of 33431's total adjusted gross income, from 22% of returns — a concentration that drives the gap between the median ($69,257) 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 33431's IRS income metrics, 2020–2022.

Median income (2021→2022)
$69,257
▲ 8.3%
Filers earning $200K+
21.9%
▲ 1.4 pt
Total filers
9,370
▲ 5.0%
GET /zipc/v2/zipcodes/33431/soi?year=… $56K 2020 $64K 2021 $69K 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 33431 ZCTA.

2000
17,386
 
2010
18,290
▲ +5.2%
2020
22,047
▲ +20.5%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 33431. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 33431

Boca Raton and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 33431 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 Number110855
City AliasesBoca Raton

07Frequently Asked Questions

What county is ZIP code 33431 in?

ZIP code 33431 is in Palm Beach County, Florida (county FIPS code 12099).

What city is ZIP code 33431?

The primary USPS city for 33431 is Boca Raton, FL.

What metro area (MSA) is 33431 in?

33431 is part of the Miami-Fort Lauderdale-West Palm Beach, FL Metro Area (MSA code 33100).

What is the population of ZIP code 33431?

The 2020 Census population of 33431 was 22,047 residents.

What is the median income in ZIP code 33431?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 33431 is about $69,257, with around 22% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.