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County · New Jersey

Monmouth County

647,520Population
0.6 %Change since 2020
-558Net migration
4.7 %Unemployment rate

Facts

Population
647,520 (2024)
Change since 2020
0.6 %
Net migration
-558 (2023)
Unemployment rate
4.7 % (2025)
Population base, April 2020
643,522 (2020)
Births
6,415 (2023)
Births per 1,000 residents, 2023
9.9
Deaths
5,901 (2023)
Deaths per 1,000 residents, 2023
9.1
Natural change, 2023
514
International migration
2,520 (2023)
Domestic migration
-3,078 (2023)
Net migration per 1,000, 2023
-0.9
Postal code
NJ
FIPS code
34025

Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS

Unemployment rate, annual average

199020254.74.1
PeriodValue
20254.7 %
20244.2 %
20234.0 %
20223.6 %
20216.1 %
20208.8 %
20193.2 %
20183.7 %
20174.1 %
20164.5 %
20155.1 %
20146.0 %

Population estimates, 2020–2024

20202024647.5K642.8K
PeriodValue
2024647,520
2023644,941
2022644,994
2021646,531
2020642,778