Warren County, OH ZIP Codes
18 ZIP codes cover all or part of Warren County, Ohio. The Census Bureau counts 250,008 residents in the county, with a median household income of $110,132 and a median home value of $349,400. Median household income ranges from $71,510 in 45107 to $133,240 in 45040. Its largest communities include Middletown, Mason, Lebanon, Springboro and Monroe.
Warren County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 250,008 |
| Households | 92,052 |
| Median household income | $110,132 |
| Median home value | $349,400 |
| Median age | 40.1 |
| Median rent | $1,361 |
All 18 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 362,666 |
| Households (sum of ZIP codes) | 135,304 |
| Median household income, range across ZIP codes | $71,510 (45107) to $133,240 (45040) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $109,260 |
| Homeowners | 79.7% |
| Households with kids under 18 | 35.0% |
| Moved in the past year | 9.9% |
| Carrier routes in EDDM2GO's route library | 228 routes, 144,524 homes (17 of 18 ZIP codes) |
Top facts
- Highest median household income in Warren County: 45040 ($133,240)
- Most residents: 45040 (59,518 people)
- Highest homeownership: 45054 (94.9% own their home)
- Most households with kids: 45065 (42.9% of households)
- Most new movers: 45065 (13.0% moved in last year)
- Youngest median age: 45065 (35.0 years)
- Highest median home value: 45040 ($440,000)
Every ZIP code in Warren County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 45040 | Mason | 59,518 | 22,000 | $133,240 | $440,000 | 77.7% | 39.7% | 11.4% | 36 | 24,000 | 100% of its land |
| 45140 | Loveland | 57,211 | 22,015 | $114,827 | $360,300 | 80.4% | 33.9% | 8.5% | 35 | 23,531 | 31% of its land |
| 45036 | Lebanon | 42,204 | 14,553 | $99,128 | $352,200 | 72.9% | 34.5% | 11.5% | 27 | 17,031 | 100% of its land |
| 45458 | Dayton | 38,712 | 15,700 | $110,150 | $362,700 | 75.5% | 32.8% | 12.5% | 30 | 17,167 | 16% of its land |
| 45005 | Franklin | 32,251 | 12,611 | $75,399 | $218,600 | 74.6% | 30.4% | 9.2% | 19 | 14,672 | 99% of its land |
| 45039 | Maineville | 28,335 | 10,945 | $108,794 | $327,200 | 83.8% | 35.3% | 8.5% | 16 | 12,030 | 100% of its land |
| 45066 | Springboro | 27,545 | 9,708 | $131,250 | $393,500 | 91.2% | 37.7% | 7.1% | 18 | 10,871 | 99% of its land |
| 45152 | Morrow | 14,850 | 4,805 | $123,366 | $351,700 | 90.0% | 39.1% | 10.7% | 9 | 6,254 | 100% of its land |
| 45050 | Monroe | 12,248 | 4,288 | $104,282 | $293,100 | 79.0% | 38.1% | 8.9% | 6 | 5,001 | 17% of its land |
| 45068 | Waynesville | 11,597 | 4,369 | $96,147 | $335,600 | 83.4% | 29.9% | 11.1% | 7 | 4,520 | 88% of its land |
| 45122 | Goshen | 10,977 | 4,166 | $83,342 | $222,100 | 85.7% | 34.2% | 6.4% | 6 | 4,800 | 10% of its land |
| 45107 | Blanchester | 9,190 | 3,293 | $71,510 | $220,700 | 74.8% | 32.9% | 7.8% | 7 | 4,098 | 19% of its land |
| 45065 | South Lebanon | 7,053 | 2,359 | $104,795 | $312,300 | 74.1% | 42.9% | 13.0% | 4 | 2,911 | 100% of its land |
| 45113 | Clarksville | 3,877 | 1,517 | $104,750 | $280,200 | 86.2% | 35.8% | 8.6% | 3 | 1,558 | 42% of its land |
| 45162 | Pleasant Plain | 2,754 | 1,060 | $84,722 | $216,500 | 91.1% | 29.1% | 8.0% | 2 | 1,046 | 65% of its land |
| 45054 | Oregonia | 2,693 | 1,186 | $99,583 | $296,200 | 94.9% | 17.6% | 12.4% | 2 | 988 | 100% of its land |
| 45034 | Kings Mills | 968 | 457 | $151,875 | $323,900 | 91.7% | 29.1% | 0.9% | 1 | 306 | 100% of its land |
| 45032 | Harveysburg | 683 | 272 | $66,618 | $163,500 | 78.3% | 23.9% | 6.4% | — | — | 100% of its land |
A ZIP code is listed for Warren County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Middletown — 51,617 residents · 3 ZIP codes
- Mason — 35,509 residents · 1 ZIP code
- Lebanon — 21,501 residents · 1 ZIP code
- Springboro — 19,980 residents · 1 ZIP code
- Monroe — 15,401 residents · 3 ZIP codes
- Franklin — 11,712 residents · 1 ZIP code
- Landen — 7,499 residents · 2 ZIP codes
- South Lebanon — 6,712 residents · 3 ZIP codes
- Carlisle — 5,543 residents · 2 ZIP codes
- Hunter — 3,551 residents · 1 ZIP code
- Waynesville — 2,777 residents · 1 ZIP code
- Morrow — 2,523 residents · 1 ZIP code
- Maineville — 2,070 residents · 3 ZIP codes
- Five Points — 2,031 residents · 1 ZIP code
- Loveland Park — 1,700 residents · 1 ZIP code
- Kings Mills — 1,175 residents · 2 ZIP codes
- Harveysburg — 837 residents · 2 ZIP codes
- Corwin — 753 residents · 1 ZIP code
- Roachester — 351 residents · 1 ZIP code
- Pleasant Plain — 190 residents · 1 ZIP code
- Butlerville — 178 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Warren County — 16 ZIP codes ranked
- ZIP codes with the highest home values in Warren County — 16 ZIP codes ranked
- ZIP codes with the highest homeownership in Warren County — 16 ZIP codes ranked
- ZIP codes with the most families with kids in Warren County — 16 ZIP codes ranked
- ZIP codes with the most new movers in Warren County — 16 ZIP codes ranked
- Youngest ZIP codes in Warren County — 16 ZIP codes ranked
- Oldest ZIP codes in Warren County — 16 ZIP codes ranked
- Fastest-growing ZIP codes in Warren County — 16 ZIP codes ranked
Price a mailing to Warren County ZIP codes
EDDM guides
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Frequently asked questions
- What ZIP codes are in Warren County, OH?
- 45040, 45140, 45036, 45458, 45005, 45039, 45066, 45152, 45050, 45068, 45122, 45107, 45065, 45113, 45162, 45054, 45034 and 45032. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Warren County?
- 250,008 residents in 92,052 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Warren County?
- $110,132 for the county as a whole. Its ZIP codes range from $71,510 (45107) to $133,240 (45040).
- Which Warren County ZIP code has the highest median household income?
- 45040, at $133,240, among ZIP codes with at least 1,000 residents. See the full ranking of Warren County ZIP codes by income.
- How many carrier routes and mailboxes are in Warren County?
- For the 17 of 18 ZIP codes in EDDM2GO's stored route library: 228 carrier routes reaching 144,524 residential and 6,225 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.