Ionia, New York Zip Codes
📍 Ionia is in Ontario County, New York with 1 zip code; the most populous is 14475.
Ionia is a USPS city name in Ontario County, New York with a Census population of approximately 253 across its ZIP codes. Ontario County as a whole has 21 ZIP codes in this directory. Below you'll find every zip code serving Ionia with population, income and home value, a map, and the city's affordability profile.
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 Ionia Zip Codes
Ionia at a Glance
Ionia has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 14475, has 253 residents.
Ionia's ZIP has a household income of $121,382 and a home value of $355,700, a price-to-income ratio of 2.9, in line with the 2.9 New York ZIP median.
100% of households in Ionia own their home (statewide ZIP median 80%). 64% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 4.0%, far below the 9.9% statewide ZIP median. Overall density is about 149 residents per square mile across 2 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.
Ionia Zip Code Map
Interactive map of Ionia, New York zip codes. Click any marker for details.