Grafton, WI vs Sun Prairie, WI

Grafton is moderately more affordable than Sun Prairie, with a 9.4% lower cost of living index. Grafton scores 93 compared to 103 for Sun Prairie, where the US average is 100. This difference means residents of Sun Prairie can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Grafton is $1,162/month compared to $1,374/month in Sun Prairie — a 15% difference. Home values follow the same pattern: Grafton is more affordable at $301,300 median vs $339,800.

Median household income in Grafton is $88,634 compared to $90,521 in Sun Prairie (-2.1%). Sun Prairie does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget. Looking at affordability, residents of Grafton spend roughly 15.7% of their income on rent, less than the 18.2% in Sun Prairie.