| ZIP Codes: | 8 ZIP Codes (6 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 315 / 607 / 680 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:17 PM |
| Population: | 30,331 [See All] |
| FIPS: | 36099 |
| CBSA: | Seneca Falls, NY |
| Land Area: | 319 sq mi |
| Water Area: | 9 sq mi |
| Coordinates: | 42.7461, -76.8215 |
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30,331 residents live across 8 ZIPs covering 319 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 32,766 to 30,251 from 2014 to 2024 — a -7.7% change. 2 ZIPs gained residents, 5 lost.
The county's wealthiest ZIP 14860 (Lodi, $78,170 median) and poorest ZIP 13165 (Waterloo, $59,981) are 22.8 miles apart — a 1.3× income gap across local geography.
Median home values vary 1.9× across this county — from $121,600 in 13165 (Waterloo) to $232,200 in 14541 (Romulus).
Density varies 3× across the county — from 45 people/sq mi in 14860 (Lodi) to 155 in 13148 (Seneca Falls).
Educational attainment ranges from 17.1% bachelor's+ in 14541 (Romulus) to 29.8% in 14847 (Interlaken) — the breadth of educational profiles across the area.
Within New York, this is the #57 most populous of 62 counties and ranks #48 for median household income .
Weighted by population, the typical household earns about $66,435 across the county — reflecting what a typical resident sees, not a simple ZIP average.
24.2% of adults age 25+ hold a bachelor's degree or higher (5,284 of 21,829 reporting).
6 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 13148 | Seneca Falls | Standard | 10,749 | $65,313 | 69.2 | 1.0% |
| 13165 | Waterloo | Standard | 9,458 | $59,981 | 67.7 | -13.4% |
| 14541 | Romulus | Standard | 3,713 | $77,375 | 55.3 | -19.9% |
| 14521 | Ovid | Standard | 2,594 | $67,198 | 55.5 | -5.8% |
| 14847 | Interlaken | Standard | 2,300 | $73,594 | 44.5 | 0.8% |
| 14860 | Lodi | Standard | 1,197 | $78,170 | 26.5 | -5.7% |
| 14588 | Willard | PO Box | 240 | — | 0.0 | -7.3% |
| 13065 | Fayette | PO Box | 80 | — | 0.1 | — |