Cost of Living in Princeton, NJ

With a cost of living index of 195, Princeton, NJ is one of the most expensive cities in the United States. Living here is 95% more expensive than the national average and 68% above the New Jersey state average of 128. With a population of 30,451, Princeton is a mid-sized community that balances access to services with a more manageable cost of living compared to larger metros.

Housing costs are the biggest factor in Princeton's cost of living. The median monthly rent is $2,448 (86% above the US median of $1,319), and the median home value sits at $1,040,400 (241% above the national median of $304,900). At current prices, the median home costs roughly 5.7x the median household income — a stretch for many buyers, though not uncommon in today's market.

The median household income in Princeton is $184,113, which is 145% higher than the national median of $75,149. Residents spend roughly 16% of household income on rent. This is a comfortable ratio, well below the 30% threshold that financial experts recommend as a maximum. While incomes are above average, they more than offset the higher cost of living.

Everyday prices in the Trenton-Princeton, NJ (Metropolitan Statistical Area) metro area are generally below the national average. Out of 6 common items tracked by the Bureau of Labor Statistics, 5 are priced lower than the US average. These real-world prices — from groceries to electricity — add up and should be factored into any cost of living comparison.

Data sources: US Census Bureau (ACS 2023), Zillow Home Values, HUD Fair Market Rents, BEA Regional Price Parities, BLS Average Prices, and NOAA Climate Normals. Updated monthly.