Zip Code 13820 — Oneonta, NY

ZIP Code 13820 is associated with Oneonta, NY, in Otsego County. The listed population estimate is 23,056; estimated density is 82.9 people per square mile. Among records with population estimates, it ranks #1 of 34 in Otsego County and #281 of 1,778 in NY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.472040, -75.038930)

Data MetricLocal Statistic
Postal / Zip Code13820
Primary CityOneonta
State / ProvinceNY
CountyOtsego
Total Population23,056
Population Density82.9 people/sq mi
TimezoneAmerica/New_York

How 13820 Compares

MetricZIP 13820Otsego County recordsNY records
Population estimate23,05668,477 (sum)19,771,902 (sum)
Population Density82.9 /sq mi----
County population rank#1 of 34----
State population rank#281 of 1,778----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in NY

ZIP CodeCityDistancePopulation estimate
ZIP 13747Colliersville3.2 miN/A
ZIP 13860West Davenport4.7 mi257
ZIP 13861West Oneonta5.7 mi462
ZIP 13834Portlandville6.5 mi92
ZIP 13806Meridale7.3 mi143

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →