Onondaga County, NY: Cities, ZIP Codes & Population
Onondaga County is a county-level area in New York identified by the FIPS code 36067. Our data lists 19 places in it, led by Syracuse, NY, with combined estimates of about 483,072 people across those places. This page shows its cities, ZIP codes, time zone and neighboring counties.
What are the key facts about Onondaga County?
| County | Onondaga County |
|---|---|
| State | New York |
| FIPS code | 36067 |
| Places in our data | 19 |
| Places with a city page | 7 |
| Combined place estimates | 483,072 |
| Largest place | Syracuse, NY (404,223) |
| Rank in state | 11th of 62 counties by combined place population |
| Weighted density | 5,223 per sq mi |
| Time zone | Eastern time |
| ZIP codes | 36 |
Which cities and towns are in Onondaga County?
Onondaga County has 7 places large enough for a full page on this site. They are ranked below by estimated population, together with whether each is incorporated, its density in people per square mile and the number of ZIP codes it uses. Syracuse, NY is the largest, followed by Fairmount, NY.
| Place | Type | Population | Per sq mi | ZIPs |
|---|---|---|---|---|
| Syracuse, NY | Incorporated | 404,223 | 5,685 | 19 |
| Fairmount, NY | Unincorporated / CDP | 10,092 | 3,025 | 2 |
| Baldwinsville, NY | Incorporated | 7,822 | 2,512 | 1 |
| North Syracuse, NY | Incorporated | 6,628 | 3,385 | 4 |
| Solvay, NY | Incorporated | 6,234 | 3,768 | 1 |
| Mattydale, NY | Unincorporated / CDP | 5,820 | 3,030 | 1 |
| Westvale, NY | Unincorporated / CDP | 5,000 | 3,662 | 1 |
The county also contains 12 smaller communities that appear here but do not have separate pages because their populations are too small for reliable data: Galeville, Brewerton, Fayetteville, Lyncourt, Village Green, Minoa, East Syracuse, Lakeland, Nedrow, Liverpool, Seneca Knolls, Jordan. Residents of these places often depend on the county for services such as roads, courts and public health.
How large is Onondaga County compared with other counties in New York?
Adding up the estimates for the places in our data gives 483,072 people, which ranks Onondaga County 11th among 62 counties in New York. The average listed place has about 25,425 residents. The weighted density is about 5,223 people per square mile, which is an urban core by our scale. These totals add up place estimates, so they can differ from the official county population, which includes people outside any listed place. See why population figures differ.
What ZIP codes are in Onondaga County?
The places in Onondaga County use 36 ZIP codes: 13027, 13029, 13031, 13036, 13057, 13066, 13080, 13088, 13116, 13120, 13201, 13202, 13203, 13204, 13205, 13206, 13207, 13208, 13209, 13210, 13211, 13212, 13214, 13217, 13218, 13219, 13220, 13221, 13224, 13225, 13235, 13244, 13251, 13252, 13261, 13290. Every code begins with 1, which is assigned to the Mid-Atlantic (Delaware, New York and Pennsylvania). A ZIP code can cross county lines, so a code listed here may also serve addresses in a neighboring county. Use the ZIP code lookup to check a single code, or read how ZIP codes work.
Which counties are near Onondaga County?
The closest counties by distance between the average locations of their places are listed below. The distance is a rough guide to how close the areas are, because county shapes vary widely.
- Oswego County, NY — about 21 miles north (center to center), 60,787 people in listed places
- Cayuga County, NY — about 22 miles west (center to center), 39,717 people in listed places
- Madison County, NY — about 24 miles east (center to center), 35,282 people in listed places
- Cortland County, NY — about 35 miles south (center to center), 32,089 people in listed places
- Wayne County, NY — about 39 miles west (center to center), 17,731 people in listed places
- Oneida County, NY — about 41 miles east (center to center), 172,568 people in listed places
What does the FIPS code 36067 mean?
The first two digits, 36, identify New York, and the last three, 067, identify Onondaga County inside that state. Government datasets use this code to join records without confusing counties that share a name. Our guide to counties and FIPS codes explains the numbering, and the New York hub lists every county we cover in the state.
Where to go next
Combined place populations are estimates from a compiled dataset and are not official county totals.