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Mercer County, NJ

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Mercer County, NJ
  • Location TypeCounty
  • County SeatTrenton, NJ
  • Population366,513
  • Land Area (Square Miles) 224.5600
  • Population Density (Per Square Mile) 1632.2000

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Median Age

% Population African American

% Population Hispanic

% Population White

Population Density
(Persons per Square Mile)

Rural-Urban Continuum


Suggested Data Series

TitleLatest YearLatest ValueLatest Rank
Decennial Census Population (County)2010366,513181 of 3170
Decennial Census Population Per Square Mile (County)20101,632.2098 of 3170
Percent of African American Population (County)201821.5%470 of 3131
Percent of Hispanic Population (County)201818.1%447 of 3139
Persistent Poverty Counties (County)201300 of 0 - 1
Rural-Urban Continuum for Counties (County)201322 of 1 - 9
Unemployment Rate (County)20193.2%2077 of 3140
Death Rate (Per 100,000) (County)2016788.402633 of 3105
Percent of Adults Physically Inactive (County)201624.3%2231 of 3141
Age-Adjusted Rate of Diabetes per 1,000 Persons (County)20166.602397 of 3141
Medicare Part D Prescription Enrollment Rate (County)201859.3%651 of 3137
Farmers' Markets (County)201614100 of 2249
Percent of Children Without a Market Within One Mile (County)20156.4%2895 of 3004
Percent of School-age Children in Poverty (County)201813.2%2369 of 3140
Total Public School Expenditures (County)2017$1,324,175,000.00116 of 3123
Number of Public Libraries (County)20175409 of 1287
Average Daily Maximum Heat Index (County)201191.172013 of 3103
Percentage of Days with a Good Air Quality Index (County)201977.3%771 of 1006
Greenhouse Gas Direct Emitting Facilities (County)20185282 of 1227
Average Fine Particulate Matter (County)201111.271903 of 3108
FEMA Public Assistance Grant Dollars Obligated for Disasters (County)2016$848,143.82138 of 654
Total Deposits in Banks (County)2016-2017$15,709,792,000.00107 of 3108
Property Taxes as Percent of Income: Five-Year Estimates (County)2006-20106.8%16 of 2773
Attendance to Arts and Culture Events (County)2015682,77152 of 109
Percent of Firms Which are Women Owned (County)201232.0%1405 of 3093
Manufacturing Establishments with 5 to 9 Employees (County)201842239 of 1961
Immigrant Households Entering County According to Tax Returns (County)2017-201829291 of 389
Estimated Veteran Population Under 45 Years Old (County)20103,171356 of 3143
Total Planted Acres (County)20197,900.732623 of 3034
Online, Mail Order, and Television Retail Sales in 2009 Dollars (County)2050$302,000,000.00355 of 2709
Total Retail and Food Service Sales in 2009 Dollars (County)2050$7,651,000,000.00225 of 3108
Earnings in Management of Companies and Enterprises Occupations in 2009 Dollars (County)2050$2,481,000,000.0084 of 2178
Population (County)2050427,000224 of 3076
Per Capita Total Personal Income (County)2050$327,095.0070 of 3112
Total Employees (County)2050401,000160 of 3065
Population 18 to 24 Years Old (County)205040,000222 of 2216
African American Male Population 25 Years Old (County)2050429196 of 2780
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