Middlesex

County in New Jersey

Contents: Subdivision

The population development in Middlesex as well as related information and services (Wikipedia, Google, images).

The Details icon links to further information about a selected division including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

Name	Status	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2025-07-01
Middlesex	County	671,780	750,162	809,858	863,225	890,119
Carteret	Borough	18,949	20,612	22,846	25,331	25,781	→
Cranbury	Township	2,528	3,207	3,861	3,844	4,240	→
Dunellen	Borough	6,486	6,836	7,219	7,639	8,337	→
East Brunswick	Township	43,441	46,885	47,467	49,705	50,678	→
Edison	Township	88,828	97,623	100,314	107,400	109,077	→
Helmetta	Borough	1,192	1,830	2,169	2,448	2,474	→
Highland Park	Borough	13,453	14,045	13,982	15,079	15,259	→
Jamesburg	Borough	5,469	5,760	5,860	5,749	5,819	→
Metuchen	Borough	12,824	12,801	13,586	15,071	15,363	→
Middlesex	Borough	13,091	13,723	13,635	14,636	14,740	→
Milltown	Borough	7,003	6,967	6,893	7,047	7,103	→
Monroe	Township	21,725	28,303	39,205	48,668	49,830	→
New Brunswick	City	41,498	48,600	54,500	55,259	57,133	→
North Brunswick	Township	31,570	36,214	41,424	43,883	45,097	→
Old Bridge	Township	54,420	60,543	65,415	66,893	70,228	→
Perth Amboy	City	41,900	47,309	50,827	55,442	56,739	→
Piscataway	Township	47,794	50,562	56,031	60,806	62,253	→
Plainsboro	Township	14,149	20,227	22,997	24,099	24,349	→
Sayreville	Borough	36,572	40,452	42,775	45,371	46,787	→
South Amboy	City	7,677	7,931	8,572	9,367	10,403	→
South Brunswick	Township	25,632	37,754	43,419	47,042	47,454	→
South Plainfield	Borough	20,556	21,798	23,396	24,333	24,891	→
South River	Borough	13,591	15,214	16,054	16,133	16,262	→
Spotswood	Borough	8,266	7,877	8,260	8,148	8,236	→
Woodbridge	Township	93,098	97,202	99,392	103,832	104,802	→
New Jersey	State	7,730,188	8,414,350	8,791,894	9,289,024	9,500,851

Source: U.S. Census Bureau.

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.

Further information about the population structure:

Gender (C 2020)
Males	422,554
Females	440,608

Age Groups (C 2020)
0-17 years	183,153
18-64 years	548,451
65+ years	131,558

Age Distribution (C 2020)
80+ years	31,878
70-79 years	56,096
60-69 years	97,748
50-59 years	116,321
40-49 years	114,769
30-39 years	118,345
20-29 years	117,583
10-19 years	115,310
0-9 years	95,112

Urbanization (C 2020)
Rural	8,429
Urban	854,733

»Race« (C 2020)
White	361,742
Black/African American	84,360
Indigenous	4,614
Asian	228,813
Pacific Islander	340
Some other	105,028
2 or more	78,265

Ethnicity (C 2020)
Hispanic or Latino	193,687
Other	669,475