Lake Arthur Estates is a CDP located in Butler County, Pennsylvania. Lake Arthur Estates has a 2025 population of 450 . Lake Arthur Estates is currently declining at a rate of -2.17% annually and its population has decreased by -3.43% since the most recent census, which recorded a population of 466 in 2020.
The average household income in Lake Arthur Estates is $56,948 with a poverty rate of 5.78%. The median age in Lake Arthur Estates is 39.9 years: 39.9 years for males, and 39.8 years for females. For every 100 females there are 100.9 males.
Data after 2023 is projected based on recent change
The racial composition of Lake Arthur Estates includes 97.56% White, and smaller percentages for Two or more races and multiracial populations.
White (97.56%)
Two or more races (2.44%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 439 | 97.56% |
| Two or more races | 11 | 2.44% |
Married
Widowed
Divorced
Separated
Never Married
Lake Arthur Estates' average per capita income is $45,966. Household income levels show a median of $44,464. The poverty rate stands at 5.78%.
Name | Median | Mean |
|---|---|---|
| Married Families | $64,135 | - |
| Families | $63,173 | $81,987 |
| Households | $44,464 | $56,948 |
| Non Families | $26,196 | $35,287 |
Average Income
Median Household Income
Poverty Rate