Complex sentence: This status does not diminish if a city's population declines; one home rule city (Nenana) and four first class cities (Hydaburg, Pelican, Seldovia and Tanana) reported populations falling below that threshold in the 2010 Census.
Split into simpler sentences: This status does not diminish if a city's population declines. One home rule city (Nenana) and four first class cities (Hydaburg, Pelican, Seldovia and Tanana) have populations falling below the minimum population as of the 2010 Census.