Middlefield is located in Lower Connecticut River Valley Planning Region, Connecticut. Middlefield has a 2026 population of 4,288. Middlefield is currently growing at a rate of 0.16% annually and its population has increased by 1.9% since the most recent census, which recorded a population of 4,208 in 2020.
The median household income in Middlefield is $99,837 with a poverty rate of 8.08%. The median age in Middlefield is 51.6 years: 50.2 years for males, and 52.9 years for females. For every 100 females there are 98.5 males.
Data after 2023 is projected based on recent change
Overall: 51.6 years
Female: 52.9 years
Male: 50.2 years
There are 3,654 adults, (1,081 of whom are seniors) in Middlefield.
Female: 2,137 (50.4%)
Male: 2,106 (49.6%)
The racial composition of Middlefield includes 88.43% White, 6.15% Asian, and smaller percentages for Black or African American, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 3,752 | 88.43% |
| Asian | 261 | 6.15% |
| Two or more races | 154 | 3.63% |
| Black or African American | 40 | 0.94% |
| Other race | 36 | 0.85% |
Middlefield 's average per capita income is $71,706. Household income levels show a median of $99,837. The poverty rate stands at 8.08%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $170,000 | - |
| Families | $145,313 | $184,133 |
| Households | $99,837 | $139,653 |
| Non Families | $51,354 | $64,948 |
Average Income
Median Household Income
Poverty Rate