Deep River is located in Lower CT River Valley Planning Region, Connecticut. Deep River has a 2025 population of 4,498 . Deep River is currently growing at a rate of 0.33% annually and its population has increased by 2.11% since the most recent census, which recorded a population of 4,405 in 2020.
The average household income in Deep River is $109,503 with a poverty rate of 6.08%. The median age in Deep River is 45.8 years: 43.3 years for males, and 48.6 years for females. For every 100 females there are 101.6 males.
Data after 2023 is projected based on recent change
The racial composition of Deep River includes 91.85% White, and smaller percentages for Black or African American, Asian, other race and multiracial populations.
White (91.85%)
Two or more races (4.54%)
Black or African American (2.78%)
Asian (0.61%)
Other race (0.23%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,071 | 91.85% |
| Two or more races | 201 | 4.54% |
| Black or African American | 123 | 2.78% |
| Asian | 27 | 0.61% |
| Other race | 10 | 0.23% |
Married
Widowed
Divorced
Separated
Never Married
Deep River's average per capita income is $62,841. Household income levels show a median of $86,995. The poverty rate stands at 6.08%.
Name | Median | Mean |
|---|---|---|
| Married Families | $126,111 | - |
| Families | $120,703 | $136,265 |
| Households | $86,995 | $109,503 |
| Non Families | $60,985 | $62,768 |
Average Income
Median Household Income
Poverty Rate