Delaware · New Castle County
Wilmington Authority
Also known as: Wilmington Metro Authority
Wilmington is a middle-income small city of 71,727 with home prices 1.5× below the Delaware median.
Wilmington is the kind of place that tends to surprise people who assume Delaware is simply a legal address on a corporate filing. It is, in fact, a city of 71,727 people, the largest in the state, sitting at the confluence of the Christina and Brandywine rivers in New Castle County — a geography that has shaped its character as a port, a manufacturing center, and, more recently, a mid-sized American city working through the same tensions of affordability, demographics, and civic identity that define urban life in the mid-Atlantic.
Population and Demographics
According to Census ACS 5-Year 2024 data, Wilmington's total population stands at 71,727, with a median age of 37.0 years. The age distribution reflects a city with a meaningful family presence: 21 percent of residents are under 18, a figure that corresponds to roughly 15,058 children. The 18-to-34 cohort numbers 18,807, and the 35-to-64 group accounts for 26,779 residents.
The racial composition, per Census ACS 5-Year 2023, shows a majority Black population of 37,194, alongside 23,025 white residents, 8,429 Hispanic or Latino residents, and 1,148 Asian residents. The city has 32,062 total households, of which 14,656 are family households.
Housing and Affordability
Housing affordability in Wilmington occupies a middle ground that is increasingly rare in the urban Northeast. Derived from Census income, housing, and poverty data, the home-price-to-income ratio sits at 3.9, a figure that places the city in the "moderate" affordability range. Renters, who make up a substantial portion of the population, spend an average of 24.3 percent of income on rent — a level the underlying data characterizes as "affordable" by standard cost-burden thresholds.
These numbers do not tell the whole story of any individual household, but as aggregate signals they suggest Wilmington has not yet experienced the severe housing cost pressures that have reshaped cities like Washington, D.C. or Philadelphia to its immediate north.
Economy and Income
The Census ACS 5-Year 2023 data records a median household income of approximately $55,269 for Wilmington. The city's economic identity has long been tied to financial services — Delaware's favorable corporate law has made Wilmington a registered home for a remarkable share of American corporations — though the residents of the city itself work across a broad range of industries.
Air Quality
The EPA AQI Annual Summary for 2024 recorded 366 monitored days in Wilmington. Of those, 246 were classified as "good" days and 116 as "moderate." Four days fell into the "unhealthy for sensitive groups" category. No days were recorded as unhealthy for the general population, very unhealthy, or hazardous. The maximum AQI recorded during the year was 119. For a city of its size and industrial history, this profile is relatively benign, though the 116 moderate days are worth noting for residents with respiratory sensitivities.
Climate
The nearest NOAA monitoring station, WILMINGTON PORTER RES, located 2.1 miles from the city center, records an average annual temperature of 55.7 degrees Fahrenheit and annual precipitation of 44.9 inches, according to NOAA ACIS data. Wilmington sits in a humid continental climate zone, with warm summers and cold winters — the kind of weather that produces strong opinions about the month of March.
Broadband Infrastructure
According to FCC Broadband Data Collection figures as of June 2025, broadband coverage in Wilmington is essentially universal at the lower speed tiers. Full 100 percent of the city's 37,765 housing units have access to service meeting the 25/3 Mbps threshold, and the same is true at 100/20 Mbps and 250/25 Mbps. At the 1,000/100 Mbps tier, coverage reaches 85.96 percent of units — a high figure, though it does leave a meaningful minority of households without access to the fastest available speeds.
Education
NCES IPEDS 2022 data identifies three colleges operating in Wilmington. Among them, Goldey-Beacom College reports an admission rate of 84.51 percent, in-state and out-of-state tuition of $14,940, an enrollment of 691 students, and a completion rate of 58.17 percent. The city also supports 102 licensed childcare centers, according to state facility data — a figure that reflects both the size of the under-18 population and the density of working families in the city.
Civic and Cultural Infrastructure
Wilmington supports 18 arts organizations registered with the IRS, including the Wilmington Ballet Academy of the Dance and the Grand Opera House, among others. The city has 220 religious congregations on record with the IRS Exempt Organizations database, ranging from historic African Methodist Episcopal congregations to newer evangelical and interfaith organizations — a density of religious life that reflects both the city's age and the diversity of its population.
Fourteen civic service organizations operate in the city, including a Boy Scouts of America council at 1100 N. Market Street. Three animal welfare organizations are registered, among them CATSMEOWTSIDE ANIMAL RESCUE and the Coalition for Animal Rescue and Education.
Seventy-two attractions are documented in the vicinity, including the Delaware Art Museum at 0.8 miles from the city center, the Henry Clay Factory at 1.3 miles, and the Brandywine Zoo.
Banking
The FDIC Institutions and Branches database records multiple bank branches operating in Wilmington, including an Artisans' Bank location at 2961 Centerville Road and a Wilmington Trust, National Association branch. Wilmington Trust, it is worth observing, takes its name from the city and has operated here since the early twentieth century — one of those institutions whose history is so intertwined with a place that separating the two requires some effort.
Municipal Governance and Zoning
Wilmington's municipal code is maintained and accessible through Municode at https://library.municode.com/de/wilmington. The city operates under a zoning framework that, like most American municipal zoning codes, is a layered document — part land-use regulation, part accumulated civic negotiation. Delaware state law, under Title 9 of the Delaware Code, establishes requirements for municipal ordinances including enforcement provisions, penalty provisions, and written warning requirements before certain enforcement actions may be taken against property owners.
The American Small Business Chamber of Commerce is registered in Wilmington per the IRS Exempt Organizations Business Master File, providing one formal channel for small business civic engagement in the city.
Further Reading
- U.S. Census Bureau, American Community Survey 5-Year Estimates — https://data.census.gov
- U.S. Environmental Protection Agency, AQI Annual Summary 2024
- Federal Communications Commission, Broadband Data Collection
- National Center for Education Statistics, Integrated Postsecondary Education Data System (IPEDS)
- City of Wilmington, Municipal Code — https://library.municode.com/de/wilmington