CityWilmington, DE
Wilmington: local businesses answer five questions
Pick a trade or job. Each page puts the same five questions to a handful of well-reviewed Wilmington businesses and shows their answers side by side.
Interview pages in Wilmington
Trades and jobs we cover here.
Trade
HVAC Contractors
Job
AC Repair
Trade
Roofing Contractors
Trade
Auto repair shops
Trade
Brake repair shops
Trade
Tire shops
Trade
Plumbers
Trade
Window installers
Wilmington facts from public records
The rules and records that sit behind the answers on our Wilmington pages.
People per square mile
6,747
Source: Calculated from U.S. Census Bureau 2025 estimates and Gazetteer land area · 2025
Land area
10.9 sq mi
Source: U.S. Census Bureau, 2025 Gazetteer files · 2025
Wilmington residents
73,512
Source: U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025) · July 1, 2025
Population change since 2020
+3.7%
from 70,916 (April 2020 base)
Source: U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025) · 2020–2025
Figures from public sources, checked October 29, 2026. Facts marked “Sample figure” illustrate what our data pipeline will fill in from the named source; they are not real counts.
Questions about Wilmington
Which services does Five Questions cover in Wilmington?
HVAC Contractors, Air Duct Cleaning Companies, AC Repair, Furnace & Heating Repair.
How are Wilmington businesses chosen?
Editors shortlist businesses with strong ratings and enough reviews, check their records, and choose the final picks against the published criteria.
Run a business in Wilmington?
Claim your free profile and tell us if you'd like to be considered for the next interview round.