Lake Seneca, OH ZIP Codes
One ZIP code serves Lake Seneca, Ohio: 43543. Together they are home to 7,401 residents in 3,218 households. That is more than the 532 people counted inside Lake Seneca Census-designated place, because these ZIP codes reach past its boundary.
Lake Seneca Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 532 |
| Households | 215 |
| Median household income | $86,202 |
| Median home value | $193,200 |
| Median age | 52.7 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 7,401 |
| Households (sum of ZIP codes) | 3,218 |
| Median household income, range across ZIP codes | $56,236 (43543) to $56,236 (43543) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $56,236 |
| Homeowners | 75.8% |
| Households with kids under 18 | 28.3% |
| Moved in the past year | 9.2% |
| Carrier routes in EDDM2GO's route library | 7 routes, 3,340 homes (1 of 1 ZIP codes) |
Every ZIP code in Lake Seneca
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 43543 | Montpelier | 7,401 | 3,218 | $56,236 | $136,700 | 75.8% | 28.3% | 9.2% | 7 | 3,499 | 2% of its land |
A ZIP code is listed for Lake Seneca when at least 10% of its land lies inside the Lake Seneca Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Lake Seneca. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Lake Seneca.
Counties
- Williams County — 10 ZIP codes
Price a mailing to Lake Seneca ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Lake Seneca, OH?
- 43543. A ZIP code is listed for Lake Seneca when at least 10% of its land lies inside the Lake Seneca Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Lake Seneca.
- What is the population of Lake Seneca, OH?
- The Census Bureau counts 532 residents inside Lake Seneca Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Lake Seneca hold 7,401 residents in all.
- What is the median household income in Lake Seneca, OH?
- $86,202 inside Lake Seneca Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $56,236 to $56,236.
- How many carrier routes and mailboxes are in Lake Seneca, OH?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 7 carrier routes reaching 3,340 residential and 160 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.