| ZIP Codes: | 26 ZIP Codes (21 Standard, 5 PO Box, 0 Unique) [See All] |
| Area Codes: | 315 / 680 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:16 PM |
| Population: | 120,179 [See All] |
| FIPS: | 36075 |
| CBSA: | Syracuse, NY |
| Land Area: | 1,058 sq mi |
| Water Area: | 28 sq mi |
| Coordinates: | 43.4213, -76.1452 |
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120,179 residents live across 26 ZIPs covering 1,058 sq mi, served by 26 distinct USPS-recognized cities.
Population moved from 124,742 to 120,179 from 2014 to 2024 — a -3.7% change. 11 ZIPs gained residents, 11 lost.
The county's wealthiest ZIP 13076 (Hastings, $95,889 median) and poorest ZIP 13302 (Altmar, $55,341) are 13.4 miles apart — a 1.7× income gap across local geography.
Median home values vary 1.9× across this county — from $106,700 in 13144 (Richland) to $201,500 in 13036 (Central Square).
Density varies 15× across the county — from 23 people/sq mi in 13302 (Altmar) to 359 in 13126 (Oswego).
Educational attainment ranges from 9.1% bachelor's+ in 13144 (Richland) to 32.3% in 13135 (Phoenix) — the breadth of educational profiles across the area.
Within New York, this is the #24 most populous of 62 counties and ranks #45 for median household income .
Weighted by population, the typical household earns about $70,193 across the county — reflecting what a typical resident sees, not a simple ZIP average.
22.1% of adults age 25+ hold a bachelor's degree or higher (18,151 of 82,219 reporting).
21 Standard delivery, 5 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 13126 | Oswego | Standard | 36,495 | $65,346 | 101.6 | -1.9% |
| 13069 | Fulton | Standard | 22,810 | $63,113 | 112.6 | -9.8% |
| 13036 | Central Square | Standard | 8,616 | $83,648 | 48.1 | 1.8% |
| 13114 | Mexico | Standard | 7,214 | $65,561 | 63.6 | 6.7% |
| 13135 | Phoenix | Standard | 6,515 | $87,041 | 33.2 | -6.8% |
| 13142 | Pulaski | Standard | 6,365 | $73,854 | 76.8 | 3.6% |
| 13074 | Hannibal | Standard | 4,496 | $81,563 | 43.0 | 0.6% |
| 13132 | Pennellville | Standard | 3,626 | $72,473 | 23.5 | 6.0% |
| 13167 | West Monroe | Standard | 3,215 | $85,294 | 41.8 | 5.2% |
| 13131 | Parish | Standard | 2,880 | $70,286 | 52.1 | -21.8% |
| 13076 | Hastings | Standard | 2,778 | $95,889 | 14.9 | 13.3% |
| 13044 | Constantia | Standard | 2,643 | $64,313 | 27.9 | 12.4% |
| 13493 | Williamstown | Standard | 2,428 | $63,125 | 64.4 | 19.4% |
| 13145 | Sandy Creek | Standard | 2,028 | $60,625 | 15.7 | 6.2% |
| 13042 | Cleveland | Standard | 1,960 | $86,587 | 67.3 | -30.0% |
| 13083 | Lacona | Standard | 1,835 | $71,667 | 56.0 | 7.7% |
| 13302 | Altmar | Standard | 1,289 | $55,341 | 55.1 | -16.9% |
| 13144 | Richland | Standard | 1,219 | $64,073 | 36.7 | -33.7% |
| 13028 | Bernhards Bay | Standard | 1,162 | $61,645 | 17.4 | -20.0% |
| 13437 | Redfield | Standard | 254 | $48,438 | 105.7 | -41.6% |
| 13103 | Mallory | Standard | 224 | $80,000 | 0.2 | -61.0% |
| 13115 | Minetto | PO Box | 127 | $72,857 | 0.3 | -26.2% |
| 13121 | New Haven | PO Box | 0 | — | 0.0 | — |
| 13107 | Maple View | PO Box | — | — | 0.0 | — |
| 13426 | Orwell | PO Box | — | — | 0.0 | — |
| 13093 | Lycoming | PO Box | — | — | 0.0 | — |