County · New Jersey
Somerset County, New Jersey
Somerset County, New Jersey has a quality-of-life score of 93 out of 100 (very high), ranking #231 of 3,143 US counties. Within New Jersey it ranks #3 of 21 counties. It ranks best on depression (low), frequent mental distress (low) and adult smoking (low). It ranks worst on effective property tax rate (high), average commute time (high) and cost of buying a home today (high).
- Quality-of-life score
- #231 of 3,143 counties
- New Jersey
- #3 of 21 in NJ
- Population
- 356,486 (2025)
- Land area
- 302 mi²
- Density
- 1,180.9 /mi²
- FIPS code
- 34035
Percentile-based score (100 is the best in the country) from 78 of 80 indicators, with the default “Explorer” weights.
Scores by category
Each category averages its indicators' percentile scores among US counties.
- Safety99#21/3,096
- Economy94#182/3,143
- Housing6#2,950/3,140
- Health100#9/3,144
- Healthcare97#86/3,143
- Environment42#1,816/3,108
- Education100#13/3,144
- Infrastructure95#161/3,144
- Community85#485/3,144
- Leisure & amenities74#803/3,143
Strengths · Weaknesses
Indicators where Somerset County, New Jersey ranks highest and lowest among US counties (score = percentile, 100 = best).
Strengths
- Depression · low14.4%100/100New Jersey 15.6%United States 20.7%2023Centers for Disease Control and PreventionModel-based estimate
- Frequent mental distress · low13.5%
- Adult smoking · low8.1%
- Firearm deaths · low3.4 /100k100/100New Jersey 4.0 /100kUnited States 12.1 /100kMay 2025–Apr 2026Centers for Disease Control and PreventionProvisional data
- Injury deaths · low43 /100k100/100New Jersey 65 /100kUnited States 87 /100k2019-2023University of Wisconsin Population Health Institute
- Median household income · high$134,499
Weaknesses
- Effective property tax rate · high1.84%
- Average commute time · high31.4 min
- Cost of buying a home today · high40.9%
- Time spent in the emergency room · high188 min15/100New Jersey 185 minUnited States 170 minOct 2024–Sep 2025Centers for Medicare & Medicaid Services
- Job growth · low-2.8%
- Severe housing problems · high15.9%17/100New Jersey 19.8%United States 16.8%2017-2021University of Wisconsin Population Health Institute
Trends
The largest changes over about five years, next to the country's over the same periods.
- Drought exposureWorsening
0% (2021) → 75% (Oct 2025–Sep 2026)
+75 pts5 yearsUS 40% → 43%
- High ozone daysImproving
5 days (2017) → 0 days (2022)
−100%5 yearsUS 9 days → 7 days
- New business applicationsImproving
13.5 /1k (2020) → 24.6 /1k (2025)
+82%5 yearsUS 13.1 /1k → 16.6 /1k
- Cost of buying a home todayWorsening
27.6% (Dec 2021) → 40.9% (Aug 2026)
+13 pts5 yearsUS 26.4% → 34.1%
- Violent crime rateWorsening
41 /100k (2020) → 67 /100k (2025)
+64%5 yearsUS 389 /100k → 328 /100k
- New homes permittedWorsening
3.6 /1k (2021) → 1.8 /1k (Sep 2025–Aug 2026)
−51%5 yearsUS 5.2 /1k → 4.2 /1k
What changed in five years
How each measure moved between two periods about five years apart, read against whether more or less is better, the published margin of error and the same change in other places.
Counties like Somerset County, New Jersey five years ago that improved
The places whose measures looked most like those of Somerset County, New Jersey in the earlier period, ranked by how many measures improved beyond the margin of error, minus how many declined. A comparison of published data, not a forecast and not advice.
Who lives here
Age, race and education of residents, from the American Community Survey. Shares are of all residents (age), residents of every origin (race) or adults 25 and over (education).
Income
How household income is spread, not just the middle: each bar is the share of households in that income range.
Homes
Who owns and who rents, what homes cost, and what the housing stock looks like.
Getting to work
How workers travel to their job and how long it takes them.
Jobs and pay
What the largest occupations here pay, from the Bureau of Labor Statistics' Occupational Employment and Wage Statistics survey.
The Bureau of Labor Statistics publishes pay by metro area, not by county or city. The metro area page lists its largest occupations and lets you look up any job.
Pay in the New York-Newark-Jersey City, NY-NJLocal businesses
Employer businesses and sole proprietors by industry, per resident and against the state and the nation. Counts of businesses next to counts of people, not a measure of demand.
Federal contract spending
Federal grants & assistance
Grants, loans (counted at their subsidy cost), direct payments and insurance, by fiscal year of the action (USAspending.gov, FABS). Reported apart from contracts and never added to them.
Public money & outcomes
Federal money per resident by fiscal year next to how the place changed, and, when its money jumped, how it compares with similar counties. A comparison, not cause and effect.
Representation in Congress
Members serving today, with their record in the current Congress (party-unity votes cast with their caucus, roll calls missed). Not a grade.
Metro area
The metro or micro area Somerset County belongs to. A county is in at most one.
Cities and towns in Somerset County
Places whose residents live mostly in Somerset County, largest first.
- North Plainfield22,809
- Somerset22,720
- Hillsborough22,585
- Bradley Gardens14,165
- Somerville13,410
- Franklin Park13,211
- Bound Brook12,219
- Martinsville11,559
- East Franklin11,070
- Manville10,921
- The Hills10,785
- Blackwells Mills10,301
- Raritan8,368
- Basking Ridge7,917
- Bernardsville7,916
- Green Knoll6,789
- Franklin Center6,646
- Bridgewater Center6,505
- Finderne6,489
- Watchung6,485
- Belle Mead6,394
- Neshanic Station5,640
- Lyons5,187
- South Bound Brook4,867
Neighboring counties
Places that share a border, best score first.
Similar counties
Closest indicator profiles across the country (no model: score distances).
- Morris County, NJ96Alike on Price level, Bachelor's+, Preschool care
- Bergen County, NJ91Alike on Price level, Food environment, Depression
- Monmouth County, NJ92Alike on Firearm deaths, Price level, No transport
- Hunterdon County, NJ92Alike on Price level, Premature death, Bachelor's+
- Chester County, PA94Alike on Bachelor's+, Real income, Household income
Data and sources
Latest published value of each indicator; periods differ by source. Values flagged by their publisher are marked.
- Mapping Injury, Overdose, and ViolenceCenters for Disease Control and Prevention · release 2026-10-01
- PLACES: Local Data for Better HealthCenters for Disease Control and Prevention · release 2025
- Daily county PM2.5 and ozone (EPA downscaler model)Centers for Disease Control and Prevention · U.S. Environmental Protection Agency · release 2022
- Care Compare: Hospital General Information and Timely and Effective CareCenters for Medicare & Medicaid Services · release 2026-07-22
- Distance to airports and intercity railFederal Aviation Administration · Bureau of Transportation Statistics · U.S. Census Bureau · release 2025+amtrak-2026-04-23
- Uniform Crime Reporting Program, Return A master filesFederal Bureau of Investigation · release 2025
- National Risk IndexFederal Emergency Management Agency · release v1.20.0
- Health Professional Shortage AreasHealth Resources and Services Administration · release 2026-10-08
- Public Libraries SurveyInstitute of Museum and Library Services · release FY2024
- Common Core of DataNational Center for Education Statistics · release 2024
- U.S. Drought Monitor county statisticsNational Drought Mitigation Center (University of Nebraska–Lincoln), USDA and NOAA · release 2026-09-29
- Fatality Analysis Reporting SystemNational Highway Traffic Safety Administration · release 2024
- nClimGrid-Daily county averagesNOAA National Centers for Environmental Information · release 2025
- Regional Economic AccountsU.S. Bureau of Economic Analysis · release 2024
- Local Area Unemployment StatisticsU.S. Bureau of Labor Statistics · release 2025
- Quarterly Census of Employment and WagesU.S. Bureau of Labor Statistics · release 2026 Q1
- American Community Survey 5-Year EstimatesU.S. Census Bureau · release 2017-2024
- Building Permits SurveyU.S. Census Bureau · release 2026-08
- Business Formation StatisticsU.S. Census Bureau · release 2026-10-01
- Population Estimates ProgramU.S. Census Bureau · release 2025
- Small Area Health Insurance EstimatesU.S. Census Bureau · release 2024
- Small Area Income and Poverty EstimatesU.S. Census Bureau · release 2024
- Alternative Fuels Data Center station locatorU.S. Department of Energy · release 2026-10
- Election Administration and Voting SurveyU.S. Election Assistance Commission · release 2024
- County Health Rankings & RoadmapsUniversity of Wisconsin Population Health Institute · release 2022-2025+2026-03-supplement
- Zillow Home Value Index, Observed Rent Index and affordabilityZillow Research · release 2026-08