Thornton is located in Grafton County, New Hampshire. Thornton has a 2025 population of 2,890 . Thornton is currently growing at a rate of 0.94% annually and its population has increased by 6.72% since the most recent census, which recorded a population of 2,708 in 2020.
The average household income in Thornton is $99,794 with a poverty rate of 8.6%. The median age in Thornton is 47.3 years: 44.8 years for males, and 49.2 years for females. For every 100 females there are 116.9 males.
Data after 2023 is projected based on recent change
The racial composition of Thornton includes 96.06% White, and smaller percentages for Two or more races, Native American, Asian and multiracial populations.
White (96.06%)
Two or more races (2.35%)
Native American (0.87%)
Asian (0.72%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,654 | 96.06% |
| Two or more races | 65 | 2.35% |
| Native American | 24 | 0.87% |
| Asian | 20 | 0.72% |
Married
Widowed
Divorced
Separated
Never Married
Thornton's average per capita income is $46,329. Household income levels show a median of $81,094. The poverty rate stands at 8.6%.
Name | Median | Mean |
|---|---|---|
| Married Families | $113,302 | - |
| Families | $112,668 | $121,028 |
| Households | $81,094 | $99,794 |
| Non Families | $40,625 | $62,299 |
Average Income
Median Household Income
Poverty Rate