ZIP Codes of Essex County, NY

Population & People
Population & People
Total Population
31,873
Household Income
Household Income
Median Income
$81,468
Housing
Housing
Total Housing Units
23,064
Business & Economy
Business & Economy
Total Businesses
1,042
Employment
Employment
Employment Rate
52.98%
Education
Education
Bachelor's Degree+
32.04%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 30 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:30 ZIP Codes (27 Standard, 3 PO Box, 0 Unique) [See All]
Area Codes:518 / 838
Timezone:Eastern (GMT -05:00)
Local Time:2:13:15 PM
Population:31,873 [See All]
FIPS:36031
Land Area:1,765 sq mi
Water Area:36 sq mi
Coordinates:44.1291, -73.7110
Quick Link:
https://www.zip-codes.com/county/ny-essex.asp
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Extreme geographic sprawl
The largest ZIP spans 280× the smallest by area — 247.8 sq mi down to 0.89.
Among New York's 5 oldest counties
Median age 50.6.
Striking education divide
Bachelor's share spans 14.0% to 58.4% — a 44-point gap.

Standout ZIPs in this County


Most Populous
Lake Placid · 4,872 people
15.3% of county total
Highest Income
Keene · $115,000 median
1.4× county average
Largest Land Area
Newcomb · 247.8 sq mi
Spans the most ground
Fastest Growth
Schroon Lake · 56.5% (10-yr)
1,122 → 1,756 residents
Most Educated
Lake Placid · 47.6% bachelor's+
1,790 of 3,762 adults 25+

Things worth knowing about Essex County


31,873 residents live across 30 ZIPs covering 1,765 sq mi, served by 29 distinct USPS-recognized cities.

Population moved from 33,274 to 31,873 from 2014 to 2024 — a -4.2% change. 12 ZIPs gained residents, 17 lost.

The county's wealthiest ZIP 12942 (Keene, $115,000 median) and poorest ZIP 12974 (Port Henry, $47,278) are 22.1 miles apart — a 2.4× income gap across local geography.

Median home values vary 5.1× across this county — from $115,200 in 12956 (Mineville) to $590,400 in 12942 (Keene).

Density varies 781× across the county — from 1 people/sq mi in 12855 (North Hudson) to 862 in 12977 (Ray Brook).

Educational attainment ranges from 1.7% bachelor's+ in 12977 (Ray Brook) to 58.4% in 12942 (Keene) — the breadth of educational profiles across the area.

Within New York, this is the #56 most populous of 62 counties and ranks #25 for median household income .

Weighted by population, the typical household earns about $73,348 across the county — reflecting what a typical resident sees, not a simple ZIP average.

32.0% of adults age 25+ hold a bachelor's degree or higher (8,149 of 25,434 reporting).

27 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Essex County


Big & sparse

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.

Total area
1,765
square miles
Avg density
18.1
people per sq mi
Population
31,873
across 30 ZIPs
Newcomb
247.8 sq mi
490 residents
North Hudson
188.4 sq mi
208 residents
Lake Placid
126.4 sq mi
4,872 residents

All ZIP Codes in Essex County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
12946Lake PlacidStandard4,872$77,548126.4-4.9%
12883TiconderogaStandard4,744$65,86591.4-5.5%
12928Crown PointStandard1,984$82,81378.37.7%
12993WestportStandard1,926$80,13984.119.0%
12996WillsboroStandard1,903$69,76674.3-0.1%
12870Schroon LakeStandard1,756$72,628118.156.5%
12974Port HenryStandard1,617$47,2788.516.1%
12941JayStandard1,487$68,62540.9-2.8%
12932ElizabethtownStandard1,278$56,77174.1-5.8%
12956MinevilleStandard1,271$69,69210.60.9%
12997WilmingtonStandard1,251$82,34469.6-3.5%
12977Ray BrookPO Box1,2131.4-30.0%
12960MoriahStandard1,143$64,70224.8-20.8%
12913BloomingdaleStandard989$81,25033.2-22.7%
12936EssexStandard691$77,32138.533.7%
12950LewisStandard628$82,79456.2-34.3%
12857OlmstedvilleStandard606$68,50037.213.7%
12852NewcombStandard490$108,750247.8-0.6%
12942KeeneStandard450$115,00052.0-43.1%
12998WitherbeeStandard39918.42.0%
12851MinervaStandard275$73,750113.424.4%
12943Keene ValleyStandard260120.025.6%
12855North HudsonStandard208$77,292188.420.9%
12987Upper JayStandard119$127,0836.3-51.2%
12858ParadoxStandard118$124,16716.7110.7%
12975Port KentPO Box780.1-72.2%
12964New RussiaStandard73$99,68833.3-35.4%
12961Moriah CenterStandard220.9-92.6%
12872SeverancePO Box220.0-71.1%
12879NewcombStandard0.0

Adjacent & Nearby Counties