Wilder is a city located in Campbell County, Kentucky. Wilder has a 2026 population of 3,091. Wilder is currently declining at a rate of -0.42% annually and its population has decreased by -2.58% since the most recent census, which recorded a population of 3,173 in 2020.
The median household income in Wilder is $70,893 with a poverty rate of 18.6%. The median age in Wilder is 37.6 years: 37.9 years for males, and 37.4 years for females. For every 100 females there are 121.6 males.