Waltham Flag

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 167 . Waltham is currently declining at a rate of 0% annually and its population has increased by 1.21% since the most recent census, which recorded a population of 165 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. For every 100 females there are 120.2 males.

167
Total Population
349
Density (mi²)

Waltham Population

Waltham Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Waltham includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White185100%

Waltham Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)