Overview
1,384
Total Population
48.9
Median age
53.97%
Female population %
85.3:100
Gender ratio (M:F)
45-49 years
Largest age group
68.6
Total dependency ratio
White
Largest racial group
19
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
South Thomaston town's population is old compared to the rest of the country:
- The median age in South Thomaston town is 48.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- South Thomaston town's population under 18 was 15.10%, compared to the 22.51% nationwide.
- South Thomaston town's elderly or the senior population (over 65 age) was 29.12% as compared to 16.04% nationwide.
- Of the total population in South Thomaston town, 11.56% were under the age of 15, 15.82% aged 15 to 29, 43.50% aged 30 to 64, 26.30% aged 65 to 84, and 2.82% were 85 years of age and older.

Read more about South Thomaston, Maine population by age ➔
Gender
There are 110 more females than males in South Thomaston town:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 53.97% females and 46.03% males in South Thomaston, Maine.
- The South Thomaston, Maine gender ratio is 85.3:100 i.e. 85.3 men to 100 women (0.853).
- For male population, the largest age group is 45-49 years with a population of 80.
- For the female population, the largest age group is 20-24 years with a population of 101.

Read more about South Thomaston, Maine population by gender ➔
Race / Ethnicity
South Thomaston town's population has become increasingly diverse:
- Racial distribution of South Thomaston town population: 97.90% are White, 0.36% are American Indian and Alaska Native and 1.73% are multiracial.
- South Thomaston town's racial breakdown clearly shows that there is an absolute majority of White population in the town.
- By ethnicity, 19 is Hispanic or Latino (of any race), and 1,365 (98.63% of the total population) is Non-Hispanic.
- The largest racial group in South Thomaston town is White with a population of 1,355 (97.90% of the total population).

Read more about South Thomaston, Maine population by race ➔
Year by year
South Thomaston town's population has already reached its peak and is showing a trend of decline:
- The peak population was 1,621 in the year 2019
- From 2000 to 2010, South Thomaston town's population increased by 148 (10.44%), as compared to the national growth of 9.63%.
- From 2010 to 2020, South Thomaston town's population decreased by 51 (3.26%), 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, South Thomaston town's population was lowest in year 2000 at 1,418.

Read more about South Thomaston, Maine 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)