Yardville first appeared as a
census designated place in the
2010 U.S. census formed from part of deleted
Yardville-Groveville CDP and additional area.
Racial and ethnic composition 2020 census As of the
2020 census, Yardville had a population of 6,965. The median age was 45.8 years. 17.0% of residents were under the age of 18 and 20.5% were 65 years of age or older. For every 100 females there were 94.2 males, and for every 100 females age 18 and over there were 92.4 males. 94.5% of residents lived in urban areas, while 5.5% lived in rural areas. There were 2,776 households, of which 25.3% had children under the age of 18 living in them. Of all households, 56.8% were married-couple households, 13.9% were households with a male householder and no spouse or partner present, and 23.3% were households with a female householder and no spouse or partner present. About 23.6% of all households were made up of individuals, and 11.4% had someone living alone who was 65 years of age or older. Of the 2,757 households, 28.4% had children under the age of 18; 61.2% were married couples living together; 9.0% had a female householder with no husband present and 25.7% were non-families. Of all households, 21.5% were made up of individuals and 9.3% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.03. 20.0% of the population were under the age of 18, 7.8% from 18 to 24, 23.5% from 25 to 44, 32.5% from 45 to 64, and 16.2% who were 65 years of age or older. The median age was 44.3 years. For every 100 females, the population had 96.5 males. For every 100 females ages 18 and older there were 91.6 males. ==Education==