Waltham

County:: Mower County
County Seat:: No
Area (mi²):: 0.478
State:: Minnesota

Waltham is a city located in Mower County, Minnesota. Waltham has a 2025 population of 164. Waltham is currently declining at a rate of 0% annually and its population has increased by 0.61% since the most recent census, which recorded a population of 163 in 2020.

The average household income in Waltham is $66,621 with a poverty rate of 11.35%. The median age in Waltham is 30.8 years: 34.2 years for males, and 30.6 years for females.

Demographics

The racial composition of Waltham includes 100% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	185	100%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Waltham Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Waltham's average per capita income is $46,667. Household income levels show a median of $75,833. The poverty rate stands at 11.35%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$78,229	-
Families	$77,813	$69,070
Households	$75,833	$66,621
Non Families	$36,875	$49,864

$46,667

Average Income

$75,833

Median Household Income

11.35%

Poverty Rate