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US ZIP Code Profile

ZIP Code 66204
Overland Park, Kansas

ZIP code 66204 is in Overland Park, located in Johnson County, Kansas, within the Kansas City metro area. Its 2020 Census population was 19,381. The estimated median adjusted gross income per tax return is $51,820, and about 3% of filers report $200,000 or more.

2020 Population
19,381
Census ZCTA
County
Johnson
FIPS 20091
Median income (est.)
$51,820
IRS SOI 2022
Land Area
4.947 mi²
+ 0.01 mi² water

01Location & Geography

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

Primary CityOverland Park, KS
CountyJohnson County (FIPS 20091)
StateKansas (FIPS 20)
Metro Area (MSA)Kansas City, MO-KS Metro Area (28140)
Census Region / DivisionMidwest Region · West North Central Division
Coordinates38.99038, -94.678215
Land / Water Area4.947 mi² land · 0.01 mi² water

02Income & Economics

Distribution of the 9,800 individual tax returns filed in 66204 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
22.0%
$25K–$50K
26.4%
$50K–$75K
21.0%
$75K–$100K
12.9%
$100K–$200K
15.0%
$200K+
2.6%
The $200,000+ bracket accounts for 15% of 66204's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($51,820) 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 66204's IRS income metrics, 2020–2022.

Median income (2021→2022)
$51,820
▲ 6.9%
Filers earning $200K+
2.6%
▲ 0.3 pt
Total filers
9,800
▼ 0.6%
GET /zipc/v2/zipcodes/66204/soi?year=… $45K 2020 $48K 2021 $52K 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 66204 ZCTA.

2000
18,538
 
2010
18,832
▲ +1.6%
2020
19,381
▲ +2.9%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 66204. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 66204

Overland Park and its immediate neighbors, sorted by distance.

3 mi
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Distance from 66204 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 TypeBranch
Carrier Route SortD
USPS Finance Number198355
City AliasesMerriam, Overland Park, Shawnee Mission, Shawnee Msn, Sm, Overland, Prairie Vlg

07Frequently Asked Questions

What county is ZIP code 66204 in?

ZIP code 66204 is in Johnson County, Kansas (county FIPS code 20091).

What city is ZIP code 66204?

The primary USPS city for 66204 is Overland Park, KS.

What metro area (MSA) is 66204 in?

66204 is part of the Kansas City, MO-KS Metro Area (MSA code 28140).

What is the population of ZIP code 66204?

The 2020 Census population of 66204 was 19,381 residents.

What is the median income in ZIP code 66204?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 66204 is about $51,820, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.