County ZIP codes · Ohio · FIPS 39025
Clermont County, OH ZIP Codes
Clermont County, Ohio has 23 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 16 of the residential ones lie mainly in Clermont County and 7 mainly in a neighboring county; 12 cross the county line. Median household income ranges from $60,188 in 45121 (Georgetown) to $114,827 in 45140 (Loveland) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Clermont County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $71,510 and $93,595.
They carry 21 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 23 residential ZIP codes in Clermont County
16 ZIP codes lie mainly in Clermont County; 7 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 45140 | Loveland | 57,211 | 1,298 | $115k | $360k | 53% |
| 45103 | Batavia | 36,938 | 433 | $80k | $264k | 100% |
| 45150 | Milford | 33,527 | 1,039 | $94k | $289k | 99% |
| 45102 | Amelia | 25,448 | 1,150 | $77k | $231k | 100% |
| 45245 | Cincinnati | 20,045 | 1,266 | $80k | $286k | 100% |
| 45106 | Bethel | 11,699 | 159 | $71k | $204k | 79% |
| 45122 | Goshen | 10,977 | 260 | $83k | $222k | 90% |
| 45176 | Williamsburg | 10,072 | 190 | $68k | $223k | 64% |
| 45157 | New Richmond | 9,415 | 229 | $100k | $248k | 100% |
| 45120 | Felicity | 2,548 | 65 | $50k | $210k | 75% |
| 45153 | Moscow | 2,218 | 78 | $57k | $226k | 100% |
| 45158 | Newtonsville | 787 | 301 | $81k | $194k | 100% |
| 45160 | Owensville | 507 | 1,641 | – | $156k | 100% |
| 45147 | Miamiville | 57 | 284 | – | – | 100% |
| 45156 | Neville | 52 | 452 | $64k | $77k | 100% |
| 45112 | Chilo | 11 | 35 | $52k | – | 100% |
Partly in Clermont County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 45162 | Pleasant Plain | 2,754 | 115 | $85k | $217k | 35% |
| 45255 | Cincinnati | 22,313 | 1,724 | $92k | $304k | 32% |
| 45244 | Cincinnati | 28,511 | 1,314 | $109k | $382k | 32% |
| 45130 | Hamersville | 4,206 | 111 | $83k | $212k | 17% |
| 45107 | Blanchester | 9,190 | 114 | $72k | $221k | 11% |
| 45121 | Georgetown | 9,030 | 85 | $60k | $165k | 4% |
| 45118 | Fayetteville | 3,703 | 91 | $98k | $256k | 4% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
13 ZIP codes of Clermont County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Clermont | Elsewhere |
|---|---|---|
| 45140 | 53% | Warren County 31%; Hamilton County 15% |
| 45150 | 99% | |
| 45244 | 32% | Hamilton County 68% |
| 45255 | 32% | Hamilton County 68% |
| 45106 | 79% | Brown County 21% |
| 45122 | 90% | Warren County 10% |
| 45176 | 64% | Brown County 36% |
| 45107 | 11% | Clinton County 52%; Warren County 19%; Brown County 18% |
| 45121 | 4% | Brown County 96% |
| 45130 | 17% | Brown County 83% |
| 45118 | 4% | Brown County 87%; Highland County 9% |
| 45162 | 35% | Warren County 65% |
| 45120 | 75% | Brown County 25% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Clermont County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Clermont County's ZIP codes use 2 prefixes: 451 and 452.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.