Sussex is a village located in Waukesha County, Wisconsin. Sussex has a 2026 population of 13,094. Sussex is currently growing at a rate of 1.9% annually and its population has increased by 12.57% since the most recent census, which recorded a population of 11,632 in 2020.
The median household income in Sussex is $119,041 with a poverty rate of 4.55%. The median age in Sussex is 39.2 years: 39.6 years for males, and 38.9 years for females. For every 100 females there are 103.8 males.
Data after 2023 is projected based on recent change
Overall: 39.2 years
Female: 38.9 years
Male: 39.6 years
There are 9,048 adults, (1,561 of whom are seniors) in Sussex.
Female: 5,920 (49.1%)
Male: 6,146 (50.9%)
The racial composition of Sussex includes 84.39% White, 8% Asian, and smaller percentages for Black or African American, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 10,183 | 84.39% |
| Asian | 965 | 8% |
| Two or more races | 630 | 5.22% |
| Black or African American | 229 | 1.9% |
| Other race | 47 | 0.39% |
| Native American | 12 | 0.1% |
Sussex 's average per capita income is $70,080. Household income levels show a median of $119,041. The poverty rate stands at 4.55%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $154,213 | - |
| Families | $143,444 | $180,908 |
| Households | $119,041 | $148,981 |
| Non Families | $56,125 | $87,316 |
Average Income
Median Household Income
Poverty Rate