Onondaga County, New York Zip Codes
📍 Onondaga County has 61 zip codes with a population of 474,121.
Onondaga County is located in New York with a land area of 806 square miles. The county seat is Syracuse. Below you'll find all 61 zip codes in Onondaga County with population, income and home value, the county's affordability profile, and links to its 31 city pages.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Onondaga County Zip Codes
Onondaga County at a Glance
Onondaga County has 61 ZIP codes in this directory: 61 standard delivery ZIPs. The 42 ZIPs with published Census housing data cover 474,121 residents, the largest being 13027 (Baldwinsville) with 35,233 people.
The median ZIP in Onondaga County has a household income of $81,541 and a home value of $196,000, a price-to-income ratio of 2.3, below the 2.9 New York ZIP median. Affordability ranges from 13153 in Skaneateles Falls at a ratio of 1.4 to 13152 in Skaneateles, where the median home is $427,600. The highest median income is in 13153 (Skaneateles Falls) at $147,901. Median rent across these ZIPs is $1,041 a month.
79% of households in the typical Onondaga County ZIP own their home (statewide ZIP median 80%). 36% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 7.9%, below the 9.9% statewide ZIP median. Overall density is about 588 residents per square mile across 806 square miles of ZIP land area.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 New York ZIP Code Affordability Report.
Onondaga County Zip Code Map
Interactive map of Onondaga County, New York zip codes.