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US ZIP Code Profile

ZIP Code 34431
Dunnellon, Florida

ZIP code 34431 is in Dunnellon, located in Marion County, Florida, within the Ocala metro area. Its 2020 Census population was 8,589. The estimated median adjusted gross income per tax return is $41,518, and about 2% of filers report $200,000 or more.

2020 Population
8,589
Census ZCTA
County
Marion
FIPS 12083
Median income (est.)
$41,518
IRS SOI 2022
Land Area
109.306 mi²
+ 4.305 mi² water

01Location & Geography

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

Primary CityDunnellon, FL
CountyMarion County (FIPS 12083)
StateFlorida (FIPS 12)
Metro Area (MSA)Ocala, FL Metro Area (36100)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates29.140238, -82.53055
Land / Water Area109.306 mi² land · 4.305 mi² water

02Income & Economics

Distribution of the 4,160 individual tax returns filed in 34431 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
32.2%
$25K–$50K
26.9%
$50K–$75K
17.3%
$75K–$100K
9.4%
$100K–$200K
11.8%
$200K+
2.4%
The $200,000+ bracket accounts for 15% of 34431's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($41,518) 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 34431's IRS income metrics, 2020–2022.

Median income (2021→2022)
$41,518
▲ 5.3%
Filers earning $200K+
2.4%
▲ 0.6 pt
Total filers
4,160
▲ 6.1%
GET /zipc/v2/zipcodes/34431/soi?year=… $35K 2020 $39K 2021 $42K 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 34431 ZCTA.

2000
6,470
 
2010
7,815
▲ +20.8%
2020
8,589
▲ +9.9%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number112385
City AliasesDunnellon

06Frequently Asked Questions

What county is ZIP code 34431 in?

ZIP code 34431 is in Marion County, Florida (county FIPS code 12083).

What city is ZIP code 34431?

The primary USPS city for 34431 is Dunnellon, FL.

What metro area (MSA) is 34431 in?

34431 is part of the Ocala, FL Metro Area (MSA code 36100).

What is the population of ZIP code 34431?

The 2020 Census population of 34431 was 8,589 residents.

What is the median income in ZIP code 34431?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 34431 is about $41,518, 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.