ZIP Codes of Chenango County, NY

Population & People
Population & People
Total Population
49,859
Household Income
Household Income
Median Income
$65,734
Housing
Housing
Total Housing Units
25,998
Business & Economy
Business & Economy
Total Businesses
880
Employment
Employment
Employment Rate
54.71%
Education
Education
Bachelor's Degree+
20.45%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 21 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:21 ZIP Codes (19 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:315 / 607 / 680
Timezone:Eastern (GMT -05:00)
Local Time:11:54:33 PM
Population:49,859 [See All]
FIPS:36017
Land Area:961 sq mi
Water Area:6 sq mi
Coordinates:42.5340, -75.6107
Quick Link:
https://www.zip-codes.com/county/ny-chenango.asp
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Striking education divide
Bachelor's share spans 7.8% to 39.9% — a 32-point gap.

Standout ZIPs in this County


Most Populous
Norwich · 12,654 people
25.4% of county total
Highest Income
Earlville · $79,737 median
1.2× county average
Largest Land Area
Norwich · 111.1 sq mi
Spans the most ground
Fastest Growth
Mc Donough · 32.2% (10-yr)
1,169 → 1,545 residents
Most Educated
Earlville · 35.2% bachelor's+
599 of 1,700 adults 25+

Things worth knowing about Chenango County


49,859 residents live across 21 ZIPs covering 961 sq mi, served by 21 distinct USPS-recognized cities.

Population moved from 54,245 to 49,834 from 2014 to 2024 — a -8.1% change. 4 ZIPs gained residents, 15 lost.

The county's wealthiest ZIP 13332 (Earlville, $79,737 median) and poorest ZIP 13136 (Pitcher, $51,667) are 15.1 miles apart — a 1.5× income gap across local geography.

Median home values vary 2.6× across this county — from $80,800 in 13464 (Smyrna) to $206,900 in 13809 (Mount Upton).

Density varies across the county — from 20 people/sq mi in 13844 (South Plymouth) to 114 in 13815 (Norwich).

Educational attainment ranges from 7.8% bachelor's+ in 13844 (South Plymouth) to 39.9% in 13780 (Guilford) — the breadth of educational profiles across the area.

Within New York, this is the #46 most populous of 62 counties and ranks #58 for median household income .

Weighted by population, the typical household earns about $64,018 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.5% of adults age 25+ hold a bachelor's degree or higher (7,329 of 35,835 reporting).

19 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Chenango 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
961
square miles
Avg density
51.9
people per sq mi
Population
49,859
across 21 ZIPs
Norwich
111.1 sq mi
12,654 residents
Oxford
107.6 sq mi
4,597 residents
Greene
96.7 sq mi
5,351 residents

Population decline

Chenango County lost 8.1% of residents between 2014 and 2024. ZIPs that shed the largest share:

Smithville Flats
-47.3%
730 → 385 residents
South Plymouth
-34.5%
847 → 555 residents
Plymouth
-33.4%
673 → 448 residents
Mount Upton
-17.4%
1,706 → 1,410 residents
Afton
-15.9%
3,185 → 2,679 residents

All ZIP Codes in Chenango County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
13815NorwichStandard12,654$61,469111.1-8.9%
13778GreeneStandard5,351$73,85096.7-9.6%
13733BainbridgeStandard5,076$60,75986.8-4.8%
13830OxfordStandard4,597$62,400107.6-8.4%
13460SherburneStandard4,182$61,58764.9-0.7%
13411New BerlinStandard2,999$55,35775.0-13.1%
13730AftonStandard2,679$53,34850.7-15.9%
13332EarlvilleStandard2,577$79,73753.7-3.6%
13843South New BerlinStandard2,038$79,01851.41.5%
13801Mc DonoughStandard1,545$69,37565.832.2%
13809Mount UptonStandard1,410$52,16729.2-17.4%
13464SmyrnaStandard1,207$56,95341.010.4%
13780GuilfordStandard968$77,26223.4-12.9%
13155South OtselicStandard669$66,56323.04.0%
13844South PlymouthStandard555$61,07128.3-34.5%
13832PlymouthStandard448$78,12519.9-33.4%
13136PitcherStandard406$51,66716.5-12.5%
13841Smithville FlatsStandard385$58,2299.0-47.3%
13124North PitcherStandard88$90,0007.2-19.3%
13814North NorwichPO Box250.0
13758East PharsaliaPO Box0.0

Adjacent & Nearby Counties