Residential delivery area · Ohio
ZIP Code 45050: Monroe, OH
ZIP code 45050 is in Monroe, Ohio, mostly in Butler County (83% of its land) with the rest in Warren County (Census 2020 ZIP-county file). About 12,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $104,282 (Census Bureau, ACS 2020-2024). By Census place, 95% of its land lies in Monroe; 5% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Monroe · its only residential ZIP
- County
- Butler County (83%); Warren County (17%)
- Census places
- Monroe
- Metro area
- Cincinnati, OH-KY-IN
- House districts
- OH-8 (83%), OH-1 (17%) 119th Congress, by share of land
- State
- Ohio
- Time zone
- Eastern
- Land area
- 8.4 sq mi · 1,453 people per sq mi
Where is ZIP code 45050?
45050 centers on 39.444°, -84.366° and covers 8.4 square miles of land. It borders 3 ZIP codes: 45044, 45011, 45036.
The map draws ZIP code areas only. For the streets inside 45050, 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 45050 compare with the rest of Butler County?
| Measure | 45050 | In Butler County | In OH |
|---|---|---|---|
| People (ACS 2020-2024) | 12,248 | 11th of 18 | 342nd of 1,233 |
| Median household income | $104k | 2nd of 13 | 69th of 755 |
| Median home value | $293k | 5th of 15 | 128th of 810 |
Its median household income is higher than in 84% of U.S. residential ZIP codes, and it is denser than 82% 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 45050?
The 2020 Census counted 12,173 people in 45050; the ACS, which samples households over 2020-2024, estimates 12,248. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 12,248
- 2020 Census count
- 12,173
- Households
- 4,288
- Median age
- 36.8
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 45050?
Of the 12,248 people the ACS estimates in 45050, 27.7% are under 18 and 14.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.8%).
- Under 1827.7%
- 18 to 6458.1%
- 65 and older14.2%
- White, not Hispanic80.8%
- Other or two or more6.6%
- Hispanic or Latino4.8%
- Asian, not Hispanic4.7%
- Black, not Hispanic3.1%
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 45050 earn?
Median household income is $104,282 (ACS 2020-2024), the 2nd highest of the 13 ranked ZIP codes in Butler County.
- Median household income
- $104,282
- Income per person
- $40,243
- Below the poverty line
- 4.8%
- Unemployed (of the labor force)
- 4.0%
- Adults 25+ with a bachelor's degree
- 41.0%
- Adjusted gross income per tax return, 2022
- $77,5035,850 returns; wages 78% 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 45050?
FHFA's house price index for 45050, built from repeat sales and appraisals of the same homes, rose 102% from 2015 to 2025 and rose 53% from 2020 to 2025, and moved +3.5% in 2025.
- Median home value (owners' estimate)
- $293,100
- Median gross rent
- $1,590
- Homes owned by their occupants
- 79.0%
- Housing units
- 4,288
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 45050?
401 business establishments had a location in this ZIP code in 2023, 25 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade111
- Accommodation and food services52
- Information48
- Wholesale trade26
- Other services (except public administration)23
- Transportation and warehousing22
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 45050?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 45044 | Middletown | 56,217 | $74k | 3.5 mi |
| 45011 | Hamilton | 75,864 | $92k | 7.1 mi |
| 45036 | Lebanon | 42,204 | $99k | 8.0 mi |
| 45040 | Mason | 59,518 | $133k | 7.1 mi (near) |
| 45067 | Trenton | 15,471 | $82k | 7.1 mi (near) |
| 45005 | Franklin | 32,251 | $75k | 7.1 mi (near) |
| 45069 | West Chester | 56,037 | $115k | 7.4 mi (near) |
| 45055 | Overpeck | 198 | – | 7.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.