| ZIP Codes: | 26 ZIP Codes (24 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 518 / 838 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:14 PM |
| Population: | 81,553 [See All] |
| FIPS: | 36019 |
| CBSA: | Plattsburgh, NY |
| Land Area: | 1,252 sq mi |
| Water Area: | 18 sq mi |
| Coordinates: | 44.7398, -73.6570 |
| Quick Link: |
81,553 residents live across 26 ZIPs covering 1,252 sq mi, served by 22 distinct USPS-recognized cities.
Population moved from 85,364 to 81,553 from 2014 to 2024 — a -4.5% change. 10 ZIPs gained residents, 16 lost.
The county's wealthiest ZIP 12972 (Peru, $125,373 median) and poorest ZIP 12979 (Rouses Point, $45,850) are 29.1 miles apart — a 2.7× income gap across local geography.
Median home values vary 2.1× across this county — from $101,100 in 12923 (Churubusco) to $215,100 in 12921 (Chazy).
Density varies 190× across the county — from 12 people/sq mi in 12985 (Schuyler Falls) to 2,223 in 12929 (Dannemora).
Educational attainment ranges from 6.1% bachelor's+ in 12910 (Altona) to 52.6% in 12903 (Plattsburgh) — the breadth of educational profiles across the area.
Within New York, this is the #33 most populous of 62 counties and ranks #41 for median household income .
Weighted by population, the typical household earns about $73,016 across the county — reflecting what a typical resident sees, not a simple ZIP average.
27.7% of adults age 25+ hold a bachelor's degree or higher (15,796 of 56,936 reporting).
24 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 12901 | Plattsburgh | Standard | 31,447 | $60,942 | 94.3 | -4.3% |
| 12972 | Peru | Standard | 6,895 | $125,373 | 103.7 | 6.9% |
| 12962 | Morrisonville | Standard | 5,654 | $77,847 | 41.7 | -5.9% |
| 12992 | West Chazy | Standard | 4,615 | $82,685 | 69.3 | -1.7% |
| 12944 | Keeseville | Standard | 3,910 | $72,207 | 115.9 | -10.9% |
| 12919 | Champlain | Standard | 2,961 | $80,931 | 44.1 | 2.0% |
| 12929 | Dannemora | PO Box | 2,684 | $62,411 | 1.2 | -29.0% |
| 12979 | Rouses Point | Standard | 2,465 | $45,850 | 5.2 | 1.3% |
| 12918 | Cadyville | Standard | 2,412 | $91,951 | 40.4 | 1.0% |
| 12921 | Chazy | Standard | 2,304 | $101,302 | 35.5 | -1.0% |
| 12981 | Saranac | Standard | 2,259 | $76,450 | 109.2 | -13.5% |
| 12910 | Altona | Standard | 1,890 | $53,021 | 68.0 | -7.6% |
| 12958 | Mooers | Standard | 1,827 | $63,977 | 34.9 | -0.9% |
| 12903 | Plattsburgh | Standard | 1,824 | $77,733 | 3.6 | 68.0% |
| 12912 | Au Sable Forks | Standard | 1,682 | $70,046 | 94.2 | -15.1% |
| 12959 | Mooers Forks | Standard | 1,627 | $54,981 | 43.3 | 6.2% |
| 12935 | Ellenburg Depot | Standard | 1,180 | $57,542 | 99.2 | -29.6% |
| 12934 | Ellenburg Center | Standard | 1,120 | $77,734 | 71.9 | 5.1% |
| 12985 | Schuyler Falls | Standard | 755 | $76,090 | 64.4 | -42.6% |
| 12923 | Churubusco | Standard | 532 | $50,833 | 42.0 | -16.2% |
| 12955 | Lyon Mountain | Standard | 503 | $78,487 | 29.5 | 8.2% |
| 12978 | Redford | Standard | 340 | $98,958 | 1.1 | 7.9% |
| 12924 | Keeseville | Standard | 333 | — | 2.9 | 192.1% |
| 12952 | Lyon Mountain | Standard | 286 | $52,841 | 35.9 | -28.9% |
| 12911 | Keeseville | Standard | 41 | — | 0.3 | -16.3% |
| 12933 | Ellenburg | PO Box | 7 | — | 0.0 | -41.7% |