
Mercer County, NJ
County in New Jersey, Northeast · ranked on 21 metrics
Mercer County, NJ is a county in New Jersey with a population of 401,249 (196th of 3,094). It ranks best for Median Income (166th of 2,000).
Strengths and weak spotsPercentileWhere a place sits among all places, from 0 to 100. 100 is the best, 50 is the middle, 0 is the worst.More in the glossary →
Percentile on 1 metric that ranks at least 774 places, given whether higher or lower is better. 12 metrics from top lists such as “the most violent” are left out, since they rank only one end of the scale.
Best at
Highest percentiles, given whether higher or lower is better
- Median Income$100,645Poorest Counties166th of 2,00092
Worst at
Lowest percentiles, given whether higher or lower is better
Not enough widely ranked metrics for this place.
Profile by category
No category has three or more widely ranked metrics for this place.
Notable facts
Where it ranks first or last among US counties
Never first or last on a widely ranked metric.
Where it is
Shaded by population; select a place to open it
Similar places
Closest percentiles on 11 widely reported measures from 3 categories, leaving out size and totals

Charleston County, SC85% similar


Quick answers
- What is the population of Mercer County, NJ?
- Mercer County, NJ has a population of 401,249, 196th among 3,094 US counties.
- What does Mercer County, NJ rank best at?
- Among US counties, Mercer County, NJ ranks best for Median Income (166th of 2,000).
- How many statistics does Rankodex have for Mercer County, NJ?
- Rankodex ranks Mercer County, NJ on 21 statistics compared with other US counties, compiled from World Population Review and the sources it cites.
Every metric
21 metrics with a value for this place, in 10 topics