Sidney is located in Kennebec County, Maine. Sidney has a 2025 population of 4,956. Sidney is currently growing at a rate of 1.1% annually and its population has increased by 6.26% since the most recent census, which recorded a population of 4,664 in 2020.
The average household income in Sidney is $105,401 with a poverty rate of 5.87%.The median age in Sidney is 39.7 years: 37.8 years for males, and 42 years for females.
Data after 2023 is projected based on recent change
The racial composition of Sidney includes 96.66% White, and smaller percentages for Two or more races, Asian and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 4,568 | 96.66% |
Two or more races | 85 | 1.8% |
Asian | 73 | 1.54% |
Married
Widowed
Divorced
Separated
Never Married
Sidney's average per capita income is $50,938. Household income levels show a median of $81,250. The poverty rate stands at 5.87%.
Name | Median | Mean |
---|---|---|
Married Families | $100,263 | - |
Families | $91,224 | $110,638 |
Households | $81,250 | $105,401 |
Non Families | $47,949 | $53,927 |
Average Income
Median Household Income
Poverty Rate