Gainesville, Virginia. Homefacts City Report. Gainesville is located in Prince William County, VA. The population is 11,225. There are 5 public schools in Gainesville with an average Homefacts rating of A. The total crime rate for Gainesville is very low, and there are 21 registered sex offenders residing in the city.
On average, northern cardinals live for 3 years in the wild although several individuals have had life spans of 13 to 15 years. The longevity record for a captive northern cardinal is 28 Â½ years!
Males are slightly larger than females. Young cardinals look similar to females, but they have a gray-black bill and have less red coloration. Northern cardinals measure 20.9 to 23.5 cm long and weigh 42 to 48 g. Their wingspans measure 30.5 cm from tip to tip.