Side-by-side cost of living comparison for 2026
30% cheaper
Wilmington is 30% more affordable than Boulder. A $75,000 salary in Boulder is equivalent to $52,703 in Wilmington.
Index values shown. National average = 100. Lower is cheaper.
To maintain the same standard of living:
See exact take-home pay: Colorado salaries · Delaware salaries
Housing is typically the biggest factor in any cost-of-living comparison. Boulder has a housing index of 230 while Wilmington sits at 104 (national average = 100). The median home in Boulder costs $750,000 compared to $235,000 in Wilmington, a difference of $515,000. Monthly rent follows a similar pattern: $2,300 in Boulder versus $1,200 in Wilmington.
Groceries and everyday expenses show a narrower gap: Boulder scores 107 while Wilmington scores 103.
Healthcare costs in Boulder (104) are lower than Wilmington (106). Both are close to the national average.
Median household income in Boulder is $73,123 compared to $46,520 in Wilmington. When adjusted for cost of living, income goes further in Wilmington.
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