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RANKING · 2010 CENSUS · 21 SHOWN OF 21

Largest Slovak population, New Jersey counties · 2010

New Jersey counties ranked by the number of residents who are Slovak ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide. The median across all 21 is 1,460.

Slovak Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Largest Slovak population by state
RANKPLACESTATEPOPSLOVAK POPULATIONVS –
01Middlesex County, NJNJ883,3356,127–
02Ocean County, NJNJ673,7463,860–
03Morris County, NJNJ524,2513,155–
04Union County, NJNJ601,8633,067–
05Mercer County, NJNJ399,2892,924–
06Bergen County, NJNJ977,0262,904–
07Somerset County, NJNJ356,4862,886–
08Monmouth County, NJNJ651,0352,846–
09Burlington County, NJNJ481,4392,165–
10Passaic County, NJNJ531,6242,022–
11Hunterdon County, NJNJ131,7811,460–
12Essex County, NJNJ896,3791,335–
13Hudson County, NJNJ735,0331,274–
14Camden County, NJNJ535,7991,181–
15Sussex County, NJNJ148,0631,163–
16Gloucester County, NJNJ312,638896–
17Warren County, NJNJ112,953732–
18Atlantic County, NJNJ278,657624–
19Cape May County, NJNJ93,390239–
20Cumberland County, NJNJ157,148184–
21Salem County, NJNJ66,280122–
SHOWING 1–21 OF 21

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS