Middletown is a CDP located in Lake County, California. Middletown has a 2025 population of 1,854 . Middletown is currently growing at a rate of 1.92% annually and its population has increased by 155.72% since the most recent census, which recorded a population of 725 in 2020.
The average household income in Middletown is $134,456 with a poverty rate of 10.03%. The median age in Middletown is 40 years: 30.4 years for males, and 45.1 years for females. For every 100 females there are 75.2 males.
Data after 2023 is projected based on recent change
The racial composition of Middletown includes 70.1% White, 9.34% other race, and smaller percentages for and multiracial populations.
White (70.1%)
Two or more races (20.55%)
Other race (9.34%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,163 | 70.1% |
| Two or more races | 341 | 20.55% |
| Other race | 155 | 9.34% |
Married
Widowed
Divorced
Separated
Never Married
Middletown's average per capita income is $59,722. Household income levels show a median of $170,605. The poverty rate stands at 10.03%.
Name | Median | Mean |
|---|---|---|
| Households | $170,605 | $134,456 |
| Families | $143,862 | $142,112 |
| Married Families | $141,875 | - |
| Non Families | - | $97,396 |
Average Income
Median Household Income
Poverty Rate