Residential delivery area · Kansas
ZIP Code 66204: Overland Park, KS
ZIP code 66204 is in Overland Park, Kansas, entirely in Johnson County (Census 2020 ZIP-county file). About 18,000 people live there (Census Bureau, ACS 2020-2024), the 6th most populous of Overland Park's 10 residential ZIP codes. Median household income is $75,889 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Overland Park (90%) and Merriam (10%), and under 1% in smaller places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Overland Park · 10 residential ZIPs
- County
- Johnson County
- Census places
- Overland Park (90%); Merriam (10%)
- Metro area
- Kansas City, MO-KS
- House district
- KS-3 119th Congress
- State
- Kansas
- Time zone
- Central
- Land area
- 5.0 sq mi · 3,624 people per sq mi
Where is ZIP code 66204?
66204 centers on 38.990°, -94.678° and covers 5.0 square miles of land plus 0.0 of water. It borders 6 ZIP codes: 66202, 66212, 66203, 66214, 66208, 66207.
The map draws ZIP code areas only. For the streets inside 66204, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 66204 compare with the rest of Overland Park?
| Measure | 66204 | In Overland Park | In Johnson County | In KS |
|---|---|---|---|---|
| People (ACS 2020-2024) | 17,948 | 6th of 10 | 14th of 35 | 51st of 704 |
| Median household income | $76k | 9th of 9 | 30th of 32 | 110th of 286 |
| Median home value | $269k | 9th of 9 | 29th of 31 | 58th of 282 |
Its median household income is higher than in 56% of U.S. residential ZIP codes, and it is denser than 91% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 66204?
The 2020 Census counted 19,381 people in 66204; the ACS, which samples households over 2020-2024, estimates 17,948. Between the 2010 and 2020 censuses its population grew 2.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 17,948
- 2020 Census count
- 19,381+2.9% since 2010 (18,832)
- Households
- 8,711
- Median age
- 36.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 66204?
Of the 17,948 people the ACS estimates in 66204, 15.5% are under 18 and 18.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (70.8%), then Hispanic or Latino (18.6%).
- Under 1815.5%
- 18 to 6466.5%
- 65 and older18.0%
- White, not Hispanic70.8%
- Hispanic or Latino18.6%
- Black, not Hispanic4.9%
- Other or two or more3.3%
- Asian, not Hispanic2.5%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 66204 earn?
Median household income is $75,889 (ACS 2020-2024), the 30th highest of the 32 ranked ZIP codes in Johnson County. It is not measurably different from 2015-2019 ($72,108 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $75,889
- Income per person
- $44,523
- Below the poverty line
- 9.6%
- Unemployed (of the labor force)
- 7.5%
- Adults 25+ with a bachelor's degree
- 47.3%
- Adjusted gross income per tax return, 2022
- $66,7049,800 returns; wages 79% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 66204?
FHFA's house price index for 66204, built from repeat sales and appraisals of the same homes, rose 109% from 2015 to 2025 and rose 52% from 2020 to 2025, and moved +5.7% in 2025.
- Median home value (owners' estimate)
- $269,400
- Median gross rent
- $1,366
- Homes owned by their occupants
- 48.9%
- Housing units
- 9,300
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 66204?
596 business establishments had a location in this ZIP code in 2023, 8 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance109
- Professional, scientific, and technical services96
- Retail trade80
- Other services (except public administration)56
- Construction46
- Accommodation and food services46
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 66204?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 66202 | Mission | 17,408 | $75k | 2.3 mi |
| 66212 | Overland Park | 32,917 | $82k | 2.4 mi |
| 66203 | Shawnee | 19,441 | $76k | 2.6 mi |
| 66214 | Overland Park | 12,351 | $83k | 2.7 mi |
| 66208 | Prairie Village | 21,576 | $124k | 2.7 mi |
| 66207 | Overland Park | 15,739 | $125k | 3.0 mi |
| 66205 | Mission | 14,032 | $102k | 3.8 mi (near) |
| 66216 | Shawnee | 24,881 | $112k | 3.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.