Middlesex County Population 2018

Middlesex County's estimated population is 842,798 with a growth rate of 0.33% 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
2017842,7982,8120.33%
2016839,9861,6540.20%
2015838,3322,9970.36%
2014835,3355,3440.64%
2013829,9915,2380.64%
2012824,7537,1640.88%
2011817,5896,3720.79%
2010811,217139,43720.76%
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
White514,50561.05%
Asian204,06424.21%
Black or African American94,45511.21%
Two or More Races17,1942.04%
American Indian and Alaska Native5,0570.60%
Native Hawaiian and Other Pacific Islander8040.10%

Middlesex County Population Pyramid

0k5k10k15k20k25k30k Male Population0k5k10k15k20k25k30k Female Population8580757065605550454035302520151050
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