Union, OH ZIP Codes
2 ZIP codes serve Union, Ohio: 45322 and 45377. Together they are home to 35,772 residents in 15,434 households. That is more than the 7,037 people counted inside Union city limits, because these ZIP codes reach past its boundary. Median household income ranges from $75,349 in 45322 to $77,398 in 45377.
Union city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 7,037 |
| Households | 2,848 |
| Median household income | $73,353 |
| Median home value | $169,200 |
| Median age | 36.8 |
| Median rent | $1,118 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 35,772 |
| Households (sum of ZIP codes) | 15,434 |
| Median household income, range across ZIP codes | $75,349 (45322) to $77,398 (45377) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $76,205 |
| Homeowners | 72.2% |
| Households with kids under 18 | 24.7% |
| Moved in the past year | 12.3% |
| Carrier routes in EDDM2GO's route library | 32 routes, 16,135 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Union: 45377 ($77,398)
- Most residents: 45322 (20,884 people)
- Highest homeownership: 45322 (76.0% own their home)
- Most households with kids: 45322 (25.1% of households)
- Most new movers: 45322 (14.4% moved in last year)
- Youngest median age: 45322 (41.4 years)
- Highest median home value: 45377 ($202,800)
Every ZIP code in Union
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 45322 | Englewood | 20,884 | 8,988 | $75,349 | $179,700 | 76.0% | 25.1% | 14.4% | 18 | 9,773 | 21% of its land |
| 45377 | Vandalia | 14,888 | 6,446 | $77,398 | $202,800 | 66.9% | 24.1% | 9.3% | 14 | 7,290 | 17% of its land |
A ZIP code is listed for Union when at least 10% of its land lies inside Union city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Union. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Union.
Counties
- Montgomery County — 36 ZIP codes
- Miami County — 15 ZIP codes
Nearby cities sharing these ZIP codes
Price a mailing to Union ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Union, OH?
- 45322 and 45377. A ZIP code is listed for Union when at least 10% of its land lies inside Union city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Union.
- What is the population of Union, OH?
- The Census Bureau counts 7,037 residents inside Union city limits (ACS 2020–2024). The 2 ZIP codes that serve Union hold 35,772 residents in all.
- What is the median household income in Union, OH?
- $73,353 inside Union city limits, per the Census Bureau. Across its ZIP codes the medians run from $75,349 to $77,398.
- Which Union ZIP code has the highest median household income?
- 45377, at $77,398, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Union, OH?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 32 carrier routes reaching 16,135 residential and 930 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.