Residential delivery area · Ohio
ZIP Code 45121: Georgetown, OH
ZIP code 45121 uses the postal name Georgetown, Ohio and lies mostly in Brown County (96% of its land) with the rest in Clermont County (Census 2020 ZIP-county file). About 9,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $60,188 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in Georgetown; 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Georgetown · its only residential ZIP
- County
- Brown County (96%); Clermont County (4%)
- Census places
- Georgetown
- Metro area
- Cincinnati, OH-KY-IN
- House district
- OH-2 119th Congress
- State
- Ohio
- Time zone
- Eastern
- Land area
- 106.8 sq mi · 85 people per sq mi
Where is ZIP code 45121?
45121 centers on 38.867°, -83.908° and covers 106.8 square miles of land plus 1.6 of water. It borders 8 ZIP codes: 45130, 45131, 45168, 45167, 45106, 45120, 45171, 45697.
The map draws ZIP code areas only. For the streets inside 45121, 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 45121 compare with the rest of Brown County?
| Measure | 45121 | In Brown County | In OH |
|---|---|---|---|
| People (ACS 2020-2024) | 9,030 | 4th of 19 | 403rd of 1,233 |
| Median household income | $60k | 11th of 12 | 563rd of 755 |
| Median home value | $165k | 13th of 15 | 563rd of 810 |
Its median household income is higher than in 29% of U.S. residential ZIP codes, and it is denser than 51% 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 45121?
The 2020 Census counted 8,927 people in 45121; the ACS, which samples households over 2020-2024, estimates 9,030. Between the 2010 and 2020 censuses its population fell 1.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 9,030
- 2020 Census count
- 8,927−1.2% since 2010 (9,036)
- Households
- 3,687
- Median age
- 43.2
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 45121?
Of the 9,030 people the ACS estimates in 45121, 21.4% are under 18 and 22.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (95.6%).
- Under 1821.4%
- 18 to 6456.3%
- 65 and older22.2%
- White, not Hispanic95.6%
- Black, not Hispanic1.6%
- Other or two or more1.5%
- Asian, not Hispanic0.9%
- Hispanic or Latino0.5%
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 45121 earn?
Median household income is $60,188 (ACS 2020-2024), the 11th highest of the 12 ranked ZIP codes in Brown County. It is not measurably different from 2015-2019 ($55,000 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $60,188±$12,513
- Income per person
- $34,022
- Below the poverty line
- 25.0%
- Unemployed (of the labor force)
- 4.1%
- Adults 25+ with a bachelor's degree
- 18.4%
- Adjusted gross income per tax return, 2022
- $59,3113,800 returns; wages 71% 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 45121?
FHFA's house price index for 45121, built from repeat sales and appraisals of the same homes, rose 113% from 2015 to 2025 and rose 70% from 2020 to 2025, and moved +19.8% in 2025.
- Median home value (owners' estimate)
- $164,600
- Median gross rent
- $700
- Homes owned by their occupants
- 77.1%
- Housing units
- 4,044
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 45121?
146 business establishments had a location in this ZIP code in 2023, 11 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance29
- Retail trade28
- Other services (except public administration)20
- Construction9
- Finance and insurance9
- Accommodation and food services9
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 45121?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 45130 | Hamersville | 4,206 | $83k | 5.7 mi |
| 45131 | Higginsport | 278 | $53k | 6.2 mi |
| 45168 | Russellville | 1,667 | $74k | 7.5 mi |
| 45167 | Ripley | 3,285 | $69k | 8.7 mi |
| 45106 | Bethel | 11,699 | $71k | 10.0 mi |
| 45120 | Felicity | 2,548 | $50k | 10.1 mi |
| 45171 | Sardinia | 5,752 | $74k | 11.8 mi |
| 45697 | Winchester | 5,222 | $71k | 13.4 mi |
| 45119 | Feesburg | 216 | $125k | 5.0 mi (near) |
| 41002 | Augusta, KY | 2,543 | $68k | 9.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.