Overview
290
Total Population
55.0
Median age
49.66%
Female population %
101.4:100
Gender ratio (M:F)
65-69 years
Largest age group
90.8
Total dependency ratio
White
Largest racial group
Zero
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Waltham town's population is old compared to the rest of the country:
- The median age in Waltham town is 55.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Waltham town's population under 18 was 15.86%, compared to the 22.51% nationwide.
- Waltham town's elderly or the senior population (over 65 age) was 34.83% as compared to 16.04% nationwide.
- Of the total population in Waltham town, 12.76% were under the age of 15, 11.72% aged 15 to 29, 40.69% aged 30 to 64, 32.41% aged 65 to 84, and 2.41% were 85 years of age and older.

Read more about Waltham, Maine population by age ➔
Gender
There are 2 less females than males in Waltham town:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.66% females and 50.34% males in Waltham, Maine.
- The Waltham, Maine gender ratio is 101.4:100 i.e. 101.4 men to 100 women (1.014).
- For male population, the largest age group is 70-74 years with a population of 22.
- For the female population, the largest age group is 65-69 years with a population of 26.

Read more about Waltham, Maine population by gender ➔
Race / Ethnicity
Waltham town's population is not that diverse:
- Racial distribution of Waltham town population: 97.59% are White and 2.41% are Black or African American.
- Waltham town's racial breakdown clearly shows that there is an absolute majority of White population in the town.
- By ethnicity, Zero is Hispanic or Latino (of any race), and 29 (100% of the total population) is Non-Hispanic.
- The largest racial group in Waltham town is White with a population of 283 (97.59% of the total population).

Read more about Waltham, Maine population by race ➔
Year by year
Waltham town's population has already reached its peak and is showing a trend of decline:
- The peak population was 352 in the year 2010
- From 2000 to 2010, Waltham town's population increased by 46 (15.03%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Waltham town's population decreased by 19 (5.40%), 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, Waltham town's population was lowest in year 2009 at 286.

Read more about Waltham, 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)