Demographics
| Historical population | ||
|---|---|---|
| Year | Pop. | ±% |
| 1850 | 1,120 | — |
| 1860 | 1,188 | +6.1% |
| 1870 | 1,100 | −7.4% |
| 1880 | 1,104 | +0.4% |
| 1890 | 914 | −17.2% |
| 1900 | 1,040 | +13.8% |
| 1910 | 1,020 | −1.9% |
| 1920 | 1,194 | +17.1% |
| 1930 | 1,461 | +22.4% |
| 1940 | 1,579 | +8.1% |
| 1950 | 2,855 | +80.8% |
| 1960 | 5,139 | +80.0% |
| 1970 | 6,330 | +23.2% |
| 1980 | 7,382 | +16.6% |
| 1990 | 7,667 | +3.9% |
| 2000 | 8,835 | +15.2% |
| 2001* | 9,002 | +1.9% |
| 2002* | 9,207 | +2.3% |
| 2003* | 9,438 | +2.5% |
| 2004* | 9,563 | +1.3% |
| 2005* | 9,692 | +1.3% |
| 2006* | 9,762 | +0.7% |
| 2007* | 9,822 | +0.6% |
| 2008* | 9,615 | −2.1% |
| 2009* | 9,689 | +0.8% |
| 2010 | 9,502 | −1.9% |
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As of the census of 2000, there were 8,835 people, 3,318 households, and 2,418 families residing in the town. The population density was 285.4 people per square mile (110.2/km²). There were 3,533 housing units at an average density of 114.1 per square mile (44.1/km²). The racial makeup of the town was 97.41% White, 0.51% African American, 0.20% Native American, 0.37% Asian, 0.01% Pacific Islander, 0.34% from other races, and 1.15% from two or more races. Hispanic or Latino of any race were 1.72% of the population.
There were 3,318 households out of which 36.6% had children under the age of 18 living with them, 60.0% were married couples living together, 8.3% had a female householder with no husband present, and 27.1% were non-families. 21.9% of all households were made up of individuals and 9.9% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was 3.13.
In the town the population was spread out with 26.5% under the age of 18, 6.3% from 18 to 24, 32.2% from 25 to 44, 23.2% from 45 to 64, and 11.7% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 100.4 males. For every 100 females age 18 and over, there were 98.2 males.
The median income for a household in the town was $52,296, and the median income for a family was $64,456. Males had a median income of $41,863 versus $30,889 for females. The per capita income for the town was $21,756. About 3.8% of families and 6.1% of the population were below the poverty line, including 6.3% of those under age 18 and 9.8% of those age 65 or over.
Read more about this topic: Southwick, Massachusetts