Waltham town is located in Hancock County, Maine. Waltham town has a 2026 population of 343. Waltham town is currently growing at a rate of 2.69% annually and its population has increased by 2.69% since the most recent census, which recorded a population of 334 in 2020.
The median household income in Waltham town is $71,071 with a poverty rate of 19.65%. The median age in Waltham town is 56.4 years: 61.2 years for males, and 54.5 years for females. For every 100 females there are 94.4 males.