Waltham is located in LaSalle County, Illinois. Waltham has a 2025 population of 415. Waltham is currently declining at a rate of 0% annually and its population has decreased by -0.95% since the most recent census, which recorded a population of 419 in 2020.
The average household income in Waltham is $93,059 with a poverty rate of 2.92%.The median age in Waltham is 43.3 years: 39.9 years for males, and 43.5 years for females.
Data after 2023 is projected based on recent change
The racial composition of Waltham includes 94.78% White, and smaller percentages for and multiracial populations.
White (94.8%)
Two or more races (5.2%)
Race | Population | Percentage (of total) |
---|---|---|
White | 617 | 94.78% |
Two or more races | 34 | 5.22% |
Married
Widowed
Divorced
Separated
Never Married
Waltham's average per capita income is $40,536. Household income levels show a median of $82,917. The poverty rate stands at 2.92%.
Name | Median | Mean |
---|---|---|
Married Families | $110,982 | - |
Families | $89,167 | $105,621 |
Households | $82,917 | $93,059 |
Non Families | $66,250 | $62,911 |
Average Income
Median Household Income
Poverty Rate