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 2026 population of 168. Waltham is currently growing at a rate of 0.6% annually and its population has increased by 1.82% since the most recent census, which recorded a population of 165 in 2020.

The median household income in Waltham is $69,167 with a poverty rate of 10.44%. The median age in Waltham is 34.7 years: 34.7 years for males, and 33.5 years for females. For every 100 females there are 122.0 males.

168
Total Population
351
Density (mi²)
1 0.6%
Growth

Waltham Population

Waltham Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202616810.6%
202516700%
202416721.21%
2023165-3-1.79%
202216821.2%
202116610.61%
202016500%
2019150-2-1.32%
201815210.66%
201715110.67%
201615000%
201515000%
201415010.67%
2013149-3-1.97%
201215200%
201115210.66%
201015100%

Median Age

Overall: 34.7 years
Female: 33.5 years
Male: 34.7 years

Waltham Adults

There are 114 adults, (21 of whom are seniors) in Waltham.

Sex Ratio

Female: 82 (45.1%)
Male: 100 (54.9%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White182100%
Race
Population ↓
Percentage (of total)
White3318.13%
Race
Population ↓
Percentage (of total)
White14981.87%

Waltham Marital Status

Economics and Income Statistics

Waltham 's average per capita income is $46,875. Household income levels show a median of $69,167. The poverty rate stands at 10.44%.

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$80,313-
Families$80,156$68,540
Households$69,167$65,441
Non Families$47,000$55,200

$46,875

Average Income

$69,167

Median Household Income

10.44%

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)