Overview
610
Total Population
36.6
Median age
58.03%
Female population %
72.3:100
Gender ratio (M:F)
65-69 years
Largest age group
121.8
Total dependency ratio
White
Largest racial group
51
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Glen St. Mary's population is young compared to the rest of the country:
- The median age in Glen St. Mary is 36.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Glen St. Mary's population under 18 was 37.38%, compared to the 22.51% nationwide.
- Glen St. Mary's elderly or the senior population (over 65 age) was 21.97% as compared to 16.04% nationwide.
- Of the total population in Glen St. Mary, 32.95% were under the age of 15, 11.48% aged 15 to 29, 33.61% aged 30 to 64, 20.82% aged 65 to 84, and 1.15% were 85 years of age and older.

Read more about Glen St. Mary, FL population by age ➔
Gender
There are 98 more females than males in Glen St. Mary:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 58.03% females and 41.97% males in Glen St. Mary, FL.
- The Glen St. Mary, FL gender ratio is 72.3:100 i.e. 72.3 men to 100 women (0.723).
- For male population, the largest age group is 65-69 years with a population of 81.
- For the female population, the largest age group is 5-9 years with a population of 60.

Read more about Glen St. Mary, FL population by gender ➔
Race / Ethnicity
Glen St. Mary's population is moderately diverse:
- Racial distribution of Glen St. Mary population: 89.67% are White, 0.82% are Black or African American and 9.51% are multiracial.
- Glen St. Mary's racial breakdown clearly shows that there is an absolute majority of White population in the town.
- By ethnicity, 51 is Hispanic or Latino (of any race), and 559 (91.64% of the total population) is Non-Hispanic.
- The largest racial group in Glen St. Mary is White with a population of 547 (89.67% of the total population).

Read more about Glen St. Mary, FL population by race ➔
Year by year
Glen St. Mary's population has already reached its peak and is showing a trend of decline:
- The peak population was 618 in the year 2009
- From 2000 to 2010, Glen St. Mary's population decreased by 143 (24.49%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Glen St. Mary's population increased by 24 (5.44%), 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, Glen St. Mary's population was lowest in year 2013 at 439.

Read more about Glen St. Mary, FL 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)