Residential delivery area · Ohio
ZIP Code 45242: Cincinnati, OH
ZIP code 45242 uses the postal name Cincinnati, Ohio and lies entirely in Hamilton County (Census 2020 ZIP-county file). About 23,000 people live there (Census Bureau, ACS 2020-2024), the 12th most populous of Cincinnati's 46 residential ZIP codes. Median household income is $124,567 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Blue Ash (38%), Montgomery (28%), The Village of Indian Hill (22%) and Remington (1%), and 4% in smaller places; 6% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Cincinnati · 46 residential ZIPs
- County
- Hamilton County
- Census places
- Blue Ash (38%); Montgomery (28%); The Village of Indian Hill (22%); Remington (1%) census-designated place
- Neighborhood
- Hazelwood, Blue Ash GeoNames
- Metro area
- Cincinnati, OH-KY-IN
- House district
- OH-1 119th Congress
- State
- Ohio
- Time zone
- Eastern
- Land area
- 13.6 sq mi · 1,670 people per sq mi
- PO Box ZIPs
- 25 more ZIP codes use the name Cincinnati for PO boxes or single organizations
Where is ZIP code 45242?
45242 centers on 39.243°, -84.353° and covers 13.6 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 45249, 45236, 45241, 45243, 45140.
The map draws ZIP code areas only. For the streets inside 45242, 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); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 45242 compare with the rest of Cincinnati?
| Measure | 45242 | In Cincinnati | In Hamilton County | In OH |
|---|---|---|---|---|
| People (ACS 2020-2024) | 22,623 | 12th of 46 | 14th of 56 | 174th of 1,233 |
| Median household income | $125k | 3rd of 39 | 4th of 44 | 29th of 755 |
| Median home value | $447k | 4th of 41 | 5th of 46 | 20th of 810 |
Its median household income is higher than in 92% of U.S. residential ZIP codes, and it is denser than 83% 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 45242?
The 2020 Census counted 23,214 people in 45242; the ACS, which samples households over 2020-2024, estimates 22,623. Between the 2010 and 2020 censuses its population grew 5.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 22,623
- 2020 Census count
- 23,214+5.3% since 2010 (22,055)
- Households
- 9,064
- Median age
- 41.3
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 45242?
Of the 22,623 people the ACS estimates in 45242, 26.3% are under 18 and 18.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (75.1%).
- Under 1826.3%
- 18 to 6454.8%
- 65 and older18.8%
- White, not Hispanic75.1%
- Asian, not Hispanic8.4%
- Hispanic or Latino6.3%
- Other or two or more5.3%
- Black, not Hispanic4.9%
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 45242 earn?
Median household income is $124,567 (ACS 2020-2024), the 4th highest of the 44 ranked ZIP codes in Hamilton County. It is not measurably different from 2015-2019 ($127,890 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $124,567
- Income per person
- $78,839
- Below the poverty line
- 4.2%
- Unemployed (of the labor force)
- 2.7%
- Adults 25+ with a bachelor's degree
- 69.7%
- Adjusted gross income per tax return, 2022
- $199,31711,980 returns; wages 56% 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 45242?
FHFA's house price index for 45242, built from repeat sales and appraisals of the same homes, rose 101% from 2015 to 2025 and rose 56% from 2020 to 2025, and moved +5.2% in 2025.
- Median home value (owners' estimate)
- $447,100
- Median gross rent
- $1,782
- Homes owned by their occupants
- 78.3%
- Housing units
- 9,561
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 45242?
1,740 business establishments had a location in this ZIP code in 2023, 8 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services295
- Health care and social assistance270
- Finance and insurance155
- Wholesale trade138
- Retail trade138
- Other services (except public administration)133
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 45242?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 45249 | Cincinnati | 14,490 | $106k | 2.6 mi |
| 45236 | Cincinnati | 24,513 | $84k | 3.3 mi |
| 45241 | Cincinnati | 23,955 | $104k | 3.4 mi |
| 45243 | Cincinnati | 16,103 | $171k | 3.9 mi |
| 45140 | Loveland | 57,211 | $115k | 5.7 mi |
| 45147 | Miamiville | 57 | – | 3.5 mi (near) |
| 45111 | Camp Dennison | 265 | $101k | 4.6 mi (near) |
| 45213 | Cincinnati | 11,139 | $76k | 5.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.