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US ZIP Code Profile

ZIP Code 34638
Land O Lakes, Florida

ZIP code 34638 is in Land O Lakes, located in Pasco County, Florida, within the Tampa-St. Petersburg-Clearwater metro area. Its 2020 Census population was 31,746. The estimated median adjusted gross income per tax return is $70,312, and about 11% of filers report $200,000 or more.

2020 Population
31,746
Census ZCTA
County
Pasco
FIPS 12101
Median income (est.)
$70,312
IRS SOI 2022
Land Area
47.782 mi²
+ 1.391 mi² water

01Location & Geography

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

Primary CityLand O Lakes, FL
CountyPasco County (FIPS 12101)
StateFlorida (FIPS 12)
Metro Area (MSA)Tampa-St. Petersburg-Clearwater, FL Metro Area (45300)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates28.256863, -82.51274
Land / Water Area47.782 mi² land · 1.391 mi² water

02Income & Economics

Distribution of the 17,470 individual tax returns filed in 34638 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
21.0%
$25K–$50K
17.5%
$50K–$75K
14.2%
$75K–$100K
11.3%
$100K–$200K
25.3%
$200K+
10.7%
The $200,000+ bracket accounts for 37% of 34638's total adjusted gross income, from 11% of returns — a concentration that drives the gap between the median ($70,312) 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 34638's IRS income metrics, 2020–2022.

Median income (2021→2022)
$70,312
▲ 6.1%
Filers earning $200K+
10.7%
▲ 1.9 pt
Total filers
17,470
▲ 7.3%
GET /zipc/v2/zipcodes/34638/soi?year=… $61K 2020 $66K 2021 $70K 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 34638 ZCTA.

2010
20,048
 
2020
31,746
▲ +58.3%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number115055
City AliasesLand O Lakes

06Frequently Asked Questions

What county is ZIP code 34638 in?

ZIP code 34638 is in Pasco County, Florida (county FIPS code 12101).

What city is ZIP code 34638?

The primary USPS city for 34638 is Land O Lakes, FL.

What metro area (MSA) is 34638 in?

34638 is part of the Tampa-St. Petersburg-Clearwater, FL Metro Area (MSA code 45300).

What is the population of ZIP code 34638?

The 2020 Census population of 34638 was 31,746 residents.

What is the median income in ZIP code 34638?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 34638 is about $70,312, with around 11% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.