Middlesex County Population 2017

Middlesex County's estimated population is 837,073 with a growth rate of 0.12% in the past year according to the most recent United States census data. Middlesex County is the 2nd largest county in New Jersey.

Year Population Growth Growth Rate
2016837,0739940.12%
2015836,0792,3550.28%
2014833,7245,0100.60%
2013828,7145,0440.61%
2012823,6706,5270.80%
2011817,1435,9140.73%
2010811,229139,44920.76%
1990671,78075,88712.74%
1980595,89312,0802.07%
1970583,813149,95734.56%
1960433,856168,98463.80%
1950264,87247,79522.02%
1940217,0774,8692.29%
1930212,20849,87430.72%
1920162,33447,90841.87%
1910114,42634,66443.46%
190079,76218,00829.16%
189061,7549,46818.11%
188052,2867,25716.12%
187045,02910,21729.35%
186034,8126,17721.57%
185028,6356,74230.80%
184021,893-1,264-5.46%
183023,1571,6877.86%
182021,4701,0895.34%
181020,3812,49113.92%
180017,8901,93412.12%
179015,9560.00%

Middlesex County Population Growth

Population Data via

Middlesex County Race Data

Race Population Percentage
White514,50561.46%
Asian204,06424.38%
Black or African American94,45511.28%
Two or More Races17,1942.05%
American Indian and Alaska Native5,0570.60%
Native Hawaiian and Other Pacific Islander8040.10%

Middlesex County Population Pyramid

0k5k10k15k20k25k30kMiddlesex County Male Population0k5k10k15k20k25k30kMiddlesex County Female Population

Population of Cities in Middlesex County

City 2010 Census 2016 Estimated Growth Growth Rate
New Brunswick545005691024104.42%
Perth Amboy508145249916853.32%
Sayreville427124490521935.13%
South Plainfield23403242218183.50%
Carteret228452399211475.02%
South River16054162952411.50%
Highland Park13982141952131.52%
Metuchen13558138713132.31%
Middlesex13635138121771.30%
South Amboy862487781541.79%
Spotswood825784291722.08%
Dunellen722773741472.03%
Milltown689371322393.47%
Helmetta21782213351.61%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990