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US ZIP Code Profile

ZIP Code 32148
Interlachen, Florida

ZIP code 32148 is in Interlachen, located in Putnam County, Florida, within the Palatka metro area. Its 2020 Census population was 10,979. The estimated median adjusted gross income per tax return is $33,239, and about 1% of filers report $200,000 or more.

2020 Population
10,979
Census ZCTA
County
Putnam
FIPS 12107
Median income (est.)
$33,239
IRS SOI 2022
Land Area
84.689 mi²
+ 4.338 mi² water

01Location & Geography

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

Primary CityInterlachen, FL
CountyPutnam County (FIPS 12107)
StateFlorida (FIPS 12)
Metro Area (MSA)Palatka, FL Micro Area (37260)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates29.616999, -81.88369
Land / Water Area84.689 mi² land · 4.338 mi² water

02Income & Economics

Distribution of the 4,370 individual tax returns filed in 32148 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
40.1%
$25K–$50K
30.2%
$50K–$75K
15.1%
$75K–$100K
7.3%
$100K–$200K
6.4%
$200K+
0.9%
The $200,000+ bracket accounts for 6% of 32148's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($33,239) 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 32148's IRS income metrics, 2020–2022.

Median income (2021→2022)
$33,239
▲ 13.0%
Filers earning $200K+
0.9%
▲ 0.2 pt
Total filers
4,370
▲ 1.6%
GET /zipc/v2/zipcodes/32148/soi?year=… $27K 2020 $29K 2021 $33K 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 32148 ZCTA.

2000
10,968
 
2010
11,201
▲ +2.1%
2020
10,979
▼ -2.0%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number114290
City AliasesInterlachen

06Frequently Asked Questions

What county is ZIP code 32148 in?

ZIP code 32148 is in Putnam County, Florida (county FIPS code 12107).

What city is ZIP code 32148?

The primary USPS city for 32148 is Interlachen, FL.

What metro area (MSA) is 32148 in?

32148 is part of the Palatka, FL Micro Area (MSA code 37260).

What is the population of ZIP code 32148?

The 2020 Census population of 32148 was 10,979 residents.

What is the median income in ZIP code 32148?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 32148 is about $33,239, 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.