Cynthiana, OH ZIP Codes
2 ZIP codes serve Cynthiana, Ohio: 45612 and 45624. Together they are home to 4,933 residents in 2,088 households. That is more than the 126 people counted inside Cynthiana Census-designated place, because these ZIP codes reach past its boundary.
Cynthiana Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 126 |
| Households | 63 |
| Median household income | not published |
| Median home value | not published |
| Median age | 41.5 |
| Median rent | not published |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 4,933 |
| Households (sum of ZIP codes) | 2,088 |
| Median household income, range across ZIP codes | $53,500 (45612) to $53,500 (45612) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $53,500 |
| Homeowners | 77.2% |
| Households with kids under 18 | 24.3% |
| Moved in the past year | 6.6% |
| Carrier routes in EDDM2GO's route library | 4 routes, 1,881 homes (1 of 2 ZIP codes) |
Every ZIP code in Cynthiana
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 45612 | Bainbridge | 4,933 | 2,088 | $53,500 | $147,300 | 77.2% | 24.3% | 6.6% | 4 | 1,920 | 0% of its land |
| 45624 | Cynthiana | 0 | 0 | — | — | — | — | — | — | — | 100% of its land; mailing city |
A ZIP code is listed for Cynthiana when at least 10% of its land lies inside the Cynthiana Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Cynthiana. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Cynthiana.
Counties
- Pike County — 10 ZIP codes
- Ross County — 12 ZIP codes
Nearby cities sharing these ZIP codes
- Bainbridge — 2 ZIP codes
Price a mailing to Cynthiana ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Cynthiana, OH?
- 45612 and 45624. A ZIP code is listed for Cynthiana when at least 10% of its land lies inside the Cynthiana Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Cynthiana.
- What is the population of Cynthiana, OH?
- The Census Bureau counts 126 residents inside Cynthiana Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Cynthiana hold 4,933 residents in all.
- What is the median household income in Cynthiana, OH?
- Across its ZIP codes the medians run from $53,500 to $53,500.
- How many carrier routes and mailboxes are in Cynthiana, OH?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 4 carrier routes reaching 1,881 residential and 39 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.