Monroe, OH ZIP Codes
3 ZIP codes serve Monroe, Ohio: 45044, 45036 and 45050. Together they are home to 110,669 residents in 39,430 households. That is more than the 15,401 people counted inside Monroe city limits, because these ZIP codes reach past its boundary. Median household income ranges from $73,732 in 45044 to $104,282 in 45050.
Monroe city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 15,401 |
| Households | 5,259 |
| Median household income | $105,250 |
| Median home value | $282,400 |
| Median age | 36.5 |
| Median rent | $1,608 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 110,669 |
| Households (sum of ZIP codes) | 39,430 |
| Median household income, range across ZIP codes | $73,732 (45044) to $104,282 (45050) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $86,428 |
| Homeowners | 67.8% |
| Households with kids under 18 | 35.6% |
| Moved in the past year | 11.5% |
| Carrier routes in EDDM2GO's route library | 66 routes, 43,032 homes (3 of 3 ZIP codes) |
Top facts
- Highest median household income in Monroe: 45050 ($104,282)
- Most residents: 45044 (56,217 people)
- Highest homeownership: 45050 (79.0% own their home)
- Most households with kids: 45050 (38.1% of households)
- Most new movers: 45044 (12.1% moved in last year)
- Youngest median age: 45044 (36.8 years)
- Highest median home value: 45036 ($352,200)
Every ZIP code in Monroe
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 45044 | Middletown | 56,217 | 20,589 | $73,732 | $241,600 | 61.9% | 35.9% | 12.1% | 33 | 23,336 | 16% of its land |
| 45036 | Lebanon | 42,204 | 14,553 | $99,128 | $352,200 | 72.9% | 34.5% | 11.5% | 27 | 17,031 | 2% of its land |
| 45050 | Monroe | 12,248 | 4,288 | $104,282 | $293,100 | 79.0% | 38.1% | 8.9% | 6 | 5,001 | 95% of its land; mailing city |
A ZIP code is listed for Monroe when at least 10% of its land lies inside Monroe city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Monroe. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Monroe.
Counties
- Butler County — 17 ZIP codes
- Warren County — 18 ZIP codes
Nearby cities sharing these ZIP codes
- Middletown — 3 ZIP codes
- Lebanon — 1 ZIP code
- South Lebanon — 3 ZIP codes
Price a mailing to Monroe ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Monroe, OH?
- 45044, 45036 and 45050. A ZIP code is listed for Monroe when at least 10% of its land lies inside Monroe city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Monroe.
- What is the population of Monroe, OH?
- The Census Bureau counts 15,401 residents inside Monroe city limits (ACS 2020–2024). The 3 ZIP codes that serve Monroe hold 110,669 residents in all.
- What is the median household income in Monroe, OH?
- $105,250 inside Monroe city limits, per the Census Bureau. Across its ZIP codes the medians run from $73,732 to $104,282.
- Which Monroe ZIP code has the highest median household income?
- 45050, at $104,282, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Monroe, OH?
- For the 3 of 3 ZIP codes in EDDM2GO's stored route library: 66 carrier routes reaching 43,032 residential and 2,336 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.