Cost of Living in Wilmington
Wilmington's cost-of-living picture runs genuinely favorable overall, though sources disclose a real spread: cost-of-living index citations reviewed this pass ranged from 80 to 100 (100 = national average), with a majority running below the national baseline, driven substantially by genuinely affordable housing, no sales tax, and below-national insurance costs.
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Learn moreA Real, Disclosed Cross-Source Spread, Mostly Below National Average
Cost-of-living index citations for Wilmington ranged from 80 to 100 across the sources reviewed this pass (100 = national average) -- a real spread, though the majority of citations ran at or below the national baseline rather than disagreeing on direction the way some other markets in this project's dataset do.
Housing and No Sales Tax Are the Clearest Drivers
Wilmington's $241,868 median home sale price (Redfin, June 2026) runs roughly 41% below this project's ~$408,776 national comparison figure, and Delaware's complete absence of state or local sales tax removes a cost category entirely that most other markets carry. Together these are the two most directly cited drivers of Wilmington's below-national cost-of-living readings.
Income Runs Meaningfully Below the National Median, Though
Wilmington's median household income ($55,269-$58,671 depending on source) ran roughly 22-26% below the ~$75,149 national figure cited by the same sources -- a real, disclosed affordability nuance: a lower cost of living does not fully offset a lower local income base for every household, and the citywide poverty rate ran a cited 18.7%-23% against a roughly 12.4% national figure. See the jobs-economy topic page for the fuller income and employment picture.
Insurance and Property Tax Are Genuine, Additional Advantages
Beyond the headline index, Wilmington's homeowners insurance ($954-$1,099/year average, per Insure.com) and effective property tax rate (0.78%, per Ownwell) both run substantially below this project's national comparison figures (~$2,844 and ~1.02% respectively) -- real, additional cost advantages a generic cost-of-living index may not fully capture.
Key takeaways
- Cost-of-living index citations ranged 80-100 (100 = national average) -- a real spread, with a majority of sources running Wilmington at or below the national baseline.
- Affordable housing ($241,868 median sale price, ~41% below the national comparison figure) and Delaware's complete absence of sales tax are the two clearest, most-cited cost advantages.
- Median household income ($55,269-$58,671) ran roughly 22-26% below the national figure cited by the same sources -- a lower cost of living does not fully offset a lower local income base for every household.
- Homeowners insurance ($954-$1,099/year) and effective property tax (0.78%) both run substantially below national comparison figures -- real, additional advantages beyond the headline cost-of-living index.
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