Aiea, Hawaii, might be the only U.S. city with no consonants. (Map). Thanks to Monique for this tidbit!
In 1997-1998, more people died in West Virginia (19,736) than were born (19,281). Some US state demographic stats.
A bit of a philosophical puzzler. Can you travel from Colorado
to Arizona (or Utah to New Mexico) without passing through any other
states? This is a specific instance of a general question that bothers
some geographers.