The Town of Onondaga ( AHN-ən-DAH-gə) is a municipality in Onondaga County, New York, United States, encompassing 65 square miles. As of the 2020 Census, the population was 22,937. The town is named after the native Onondaga tribe, part of the Haudenosaunee Confederacy. Onondaga was incorporated April 2, 1798, and is located southwest of the city of Syracuse, which it borders. The villages and hamlets which make up the town are: Cedarvale, Howlett Hill, Navarino, Nedrow, Onondaga Hill, Sentinel Heights, South Onondaga, Southwood, Split Rock, and Taunton.

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How Onondaga ranks

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#132Highest graduation rate in NY #170Shortest commute in NY #187Most educated in NY All NY rankings →

Town numbers

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Area code315

Living in Onondaga

Housing in Onondaga

$438K Median sale price · Redfin, May 2026

The median sale price was $438,000 in May 2026.

Zillow Home Value Index · Redfin Data CenterHousing market →

Health in Onondaga

Compared with New York

13better than NY·4worse

of 32 measures CDC estimates. The other 15 are too close to call.

Conditions 2▲ 4▼ 6 close Habits 1▲ 3 close Care 4▲ 3 close Mind 2▲ 3 close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

4.2%Fewer uninsured adultsNY 7.9% · better 9.4%Fewer adults facing food insecurityNY 17.2% · better 10.4%More adults who have had cancerNY 7.7% · worse

Care nearby

Syracuse VA Medical CenterSyracuse · 5.9 mi · ER

Sch - Onondaga Community CollegeSyracuse · 1.9 mi · sliding-scale fees

Primary careNo shortage

DentalShortage · part of Onondaga

Mental healthNo shortage

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 13215, 13120, 13110 · CMS · HRSAHealth in Onondaga →

Schools in Onondaga

All Onondaga schools →

School Grade B

The public schools Onondaga’s kids attend, from kindergarten through graduation, outperform 60% of New York’s districts on state tests and graduation. Among towns with similar incomes, they sit near the middle.

#122Best public schoolsof 484 in NY

DistrictWESTHILL CENTRAL SCHOOL DISTRICTSchools6

Split Rock Elementary School BElementary · Grades K–4 · 324 students Wheeler Elementary School B-Elementary · Grades 3–6 · 240 students Rockwell Elementary SchoolElementary · Grades PK–2 · 208 students Onondaga Hill Middle School C+Middle · Grades 5–8 · 575 students Westhill High School AHigh · Grades 9–12 · 525 students Onondaga Senior High School BHigh · Grades 7–12 · 323 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within NY. Ratings are from neighbors.

Famous people from OnondagaWriters, athletes, leaders and more who were born in Onondaga.Meet them →