In what year did Delaware become the first state to ratify the U.S. Constitution?
AnswerDecember 7, 1787
Being first to ratify is why Delaware is known as the First State.
Source: Encyclopaedia Britannica, Delaware (summary) britannica.com
Places · Facts & sources
Delaware facts & stats
6 sourced facts about the state of Delaware, each with the context behind the number. 4 more are in today's round and appear here after it closes.
The basics
How does Delaware rank among the 50 states by land area?
Answer2nd smallest
Only Rhode Island is smaller than Delaware.
Source: Encyclopaedia Britannica, Delaware (summary) britannica.com
Going deeper
About what share of Delaware's population is 65 or older?
Answer22.8%
The national figure is 18.9%, so Delaware skews older than the U.S. overall.
Source: U.S. Census Bureau, QuickFacts: Delaware (2025) census.gov
Which is Delaware's largest city?
AnswerWilmington
Dover is the state capital, but Wilmington is the largest city.
Source: Encyclopaedia Britannica, Delaware britannica.com
Expert level
How many new business entities were formed in Delaware in 2025?
Answer334,461
That was more than a 15% increase over 2024.
Source: Delaware Division of Corporations (2025) corp.delaware.gov
About how many people per square mile lived in Delaware in 2020?
Answer508 per square mile
The U.S. as a whole had just 93.8 people per square mile.
Source: U.S. Census Bureau, QuickFacts: Delaware (2020) census.gov
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