Ithaca, OH ZIP Codes
One ZIP code serves Ithaca, Ohio: 45304. Together they are home to 7,599 residents in 2,890 households. That is more than the 78 people counted inside Ithaca village limits, because these ZIP codes reach past its boundary.
Ithaca village limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 78 |
| Households | 38 |
| Median household income | $68,750 |
| Median home value | $93,800 |
| Median age | 51.5 |
| Median rent | $1,594 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 7,599 |
| Households (sum of ZIP codes) | 2,890 |
| Median household income, range across ZIP codes | $78,125 (45304) to $78,125 (45304) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $78,125 |
| Homeowners | 82.4% |
| Households with kids under 18 | 35.3% |
| Moved in the past year | 9.2% |
| Carrier routes in EDDM2GO's route library | 6 routes, 2,993 homes (1 of 1 ZIP codes) |
Every ZIP code in Ithaca
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 45304 | Arcanum | 7,599 | 2,890 | $78,125 | $190,200 | 82.4% | 35.3% | 9.2% | 6 | 3,090 | 0% of its land |
A ZIP code is listed for Ithaca when at least 10% of its land lies inside Ithaca village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Ithaca. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Ithaca.
Counties
- Darke County — 21 ZIP codes
Price a mailing to Ithaca ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Ithaca, OH?
- 45304. A ZIP code is listed for Ithaca when at least 10% of its land lies inside Ithaca village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Ithaca.
- What is the population of Ithaca, OH?
- The Census Bureau counts 78 residents inside Ithaca village limits (ACS 2020–2024). The 1 ZIP code that serve Ithaca hold 7,599 residents in all.
- What is the median household income in Ithaca, OH?
- $68,750 inside Ithaca village limits, per the Census Bureau. Across its ZIP codes the medians run from $78,125 to $78,125.
- How many carrier routes and mailboxes are in Ithaca, OH?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 6 carrier routes reaching 2,993 residential and 97 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.