Somerset County, New Jersey
Check your Somerset County registration.
Confirm what New Jersey has on file first, then use Somerset County's official election channels below.
Stop 1: County
About Somerset County
Somerset County is a county located in the north-central part of the U.S. state of New Jersey. As of the 2020 census, the county was the state's 13th-most-populous county, with a population of 345,361, its highest decennial count ever and an increase of 21,917 (+6.8%) from the 2010 census count of 323,444. The United States Census Bureau's Population Estimates Program estimated a 2025 population of 356,486, an increase of 11,125 (+3.2%) from the 2020 decennial census. Somerset County constitutes part of the New York metropolitan area. Its county seat is Somerville.
Description adapted from Wikipedia, CC BY-SA 4.0.
Stop 2: Facts
Somerset County at a glance
- County seat
- Somerville
- Population
- 345,361 (2020)
- Land area
- 305 sq mi
- Founded
- 1688
Stop 3: Places
Largest communities in Somerset County
- Franklin Township68,364
- Bridgewater Township45,977
- Hillsborough43,276
- Bernards Township27,830
- Montgomery Township23,690
Stop 4: History
History of Somerset County
In 2015, Somerset County had a per capita personal income of $86,468, the second highest in New Jersey and ranked 25th of 3,113 counties in the United States. Somerset County, as of the 2000 Census, was the seventh wealthiest county in the United States by median household income at $76,933 (third in New Jersey behind Hunterdon County at $79,888 and Morris County at $77,340), fourth in median family income at $90,655 (second in New Jersey behind Hunterdon County at $91,050) and ranked seventh by per capita income at $37,970 (highest in New Jersey). The Bureau of Economic Analysis ranked the county as having the 11th-highest per capita income of all 3,113 counties in the United States (and the highest in New Jersey) as of 2009. As of 2023, Somerset County had the highest GDP for counties with populations between 100,000 and 500,000 in America.
Adapted from Wikipedia, CC BY-SA 4.0.
Stop 5: Check
Start here
Confirm you're ready to vote in Somerset County
-
Run a guided check
Scan Check Protect walks you through verifying your New Jersey registration and flags anything that needs fixing — free.
-
Ask Somerset County directly
Your county election office handles registration, mail ballots, and polling places.
Stop 6: Resources
Official channels
Somerset County election resources
Statewide tools and every New Jersey resource in one place: the New Jersey page at Scan Check Protect →
Stop 7: Neighbors
Neighboring counties
Stop 8: About
Part of New Jersey Voter Check
This is the Somerset County page of New Jersey Voter Check, a project of True the Vote, pointing New Jersey voters at the official tools that already exist — and at Scan Check Protect to verify your registration.
Where anything here differs from what Somerset County or the New Jersey Division of Elections publishes, they are right and this page is not.