Overview
          300,821
                  Total Population
                40.6
                  Median age
                51.12%
                  Female population %
                95.6:100
                  Gender ratio (M:F)
                55-59 years
                  Largest age group
                50.9
                  Total dependency ratio
                White
                  Largest racial group
                20,398
                  Hispanic population
                Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Gloucester County's population is old compared to the rest of the country:
- The median age in Gloucester County is 40.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
 - Gloucester County's population under 18 was 21.91%, compared to the 22.51% nationwide.
 - Gloucester County's elderly or the senior population (over 65 age) was 15.94% as compared to 16.04% nationwide.
 - Of the total population in Gloucester County, 17.78% were under the age of 15, 18.99% aged 15 to 29, 47.30% aged 30 to 64, 14.03% aged 65 to 84, and 1.91% were 85 years of age and older.
 
Read more about Gloucester County, NJ population by age ➔
Gender
There are 6,759 more females than males in Gloucester County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.12% females and 48.88% males in Gloucester County, NJ.
 - The Gloucester County, NJ gender ratio is 95.6:100 i.e. 95.6 men to 100 women (0.956).
 - For male population, the largest age group is 55-59 years with a population of 11,392.
 - For the female population, the largest age group is 55-59 years with a population of 11,306.
 
Read more about Gloucester County, NJ population by gender ➔
Race / Ethnicity
Gloucester County's population has become increasingly diverse:
- Racial distribution of Gloucester County population: 79.83% are White, 10.34% are Black or African American, 0.13% are American Indian and Alaska Native, 3.19% are Asian, 0.03% are Native Hawaiian and other Pacific Islander, 2.56% are some other race and 3.92% are multiracial.
 - Gloucester County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
 - By ethnicity, 20,398 is Hispanic or Latino (of any race), and 280,423 (93.22% of the total population) is Non-Hispanic.
 - The largest racial group in Gloucester County is White with a population of 240,146 (79.83% of the total population).
 
Read more about Gloucester County, NJ population by race ➔
Year by year
Gloucester County's population has not reached its peak yet and is showing a trend of further growth:
- The peak population was 306,601 in the year 2022
 - From 2000 to 2010, Gloucester County's population increased by 32,571 (12.69%), as compared to the national growth of 9.63%.
 - From 2010 to 2020, Gloucester County's population increased by 13,396 (4.63%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
 - Between the year 2000 and 2022, Gloucester County's population was lowest in year 2000 at 256,587.
 
Read more about Gloucester County, NJ population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
 - U.S. Census Bureau Population Estimates Population Estimates Program (PEP)