Mercer County NJ Information

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Mercer County Subdivisions

Mercer County NJ Data & Demographics (As of July 1, 2015)

POPULATION

Total Population 369,336
Population in Households 349,790
Population in Familes 284,187
Population in Group Qrtrs 19,546
Population Density1 1,645
Diversity Index2 72
 

HOUSEHOLDS

Total Households 134,180
Average Household Size 2.61
Family Households 90,285
Average Family Size 3

HOUSING

Total Housing Units 145,388 (100%)
Owner Occupied HU 85,527 (58.8%)
Renter Occupied HU 48,653 (33.5%)
Vacant Housing Units 11,208 ( 7.7%)
Median Home Value $348,960
Average Home Value $475,320
 

INCOME

Median Household Income $71,910
Average Household Income $103,620
Per Capita Income $38,568
  (Compound Annual Growth Rates)

GROWTH RATES

2010-2015 2015-2020
Population 0.15% 0.26%
Households 0.15% 0.28%
Families 0.18% 0.3%
Median Household Income   2.38%
Per Capita Income   2.55%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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Mercer County NJ - Peer Comparisons by Rank and Percentile

The table below compares Mercer County to the other 21 counties and county equivalents in New Jersey by rank and percentile using July 1, 2015 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 12 48th
Population Density1 # 8 67th
Diversity Index2 # 7 71st
Median Household Income # 11 52nd
Per Capita Income # 7 71st

Additional comparisons and rankings can be made with a VERY EASY TO USE New Jersey Census Data Comparison Tool.

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