2020 census

As of the 2020 census, Crystal had a population of 23,330. The median age was 37.7 years. 21.2% of residents were under the age of 18 and 15.0% of residents were 65 years of age or older. For every 100 females there were 100.0 males, and for every 100 females age 18 and over there were 97.5 males age 18 and over.^[8][9]

100.0% of residents lived in urban areas, while 0.0% lived in rural areas.^[10]

There were 9,552 households in Crystal, of which 27.1% had children under the age of 18 living in them. Of all households, 41.6% were married-couple households, 21.0% were households with a male householder and no spouse or partner present, and 28.2% were households with a female householder and no spouse or partner present. About 30.9% of all households were made up of individuals and 11.6% had someone living alone who was 65 years of age or older.^[8]

There were 9,804 housing units, of which 2.6% were vacant. The homeowner vacancy rate was 0.6% and the rental vacancy rate was 4.1%.^[8]

2010 census

As of the census of 2010, there were 22,151 people, 9,183 households, and 5,640 families living in the city. The population density was 3,832.4 inhabitants per square mile (1,479.7/km²). There were 9,634 housing units at an average density of 1,666.8 per square mile (643.6/km²). The racial makeup of the city was 78.1% White, 10.5% African American, 0.7% Native American, 3.9% Asian, 3.0% from other races, and 3.8% from two or more races. Hispanic or Latino of any race were 6.5% of the population.

There were 9,183 households, of which 28.5% had children under the age of 18 living with them, 43.8% were married couples living together, 12.7% had a female householder with no husband present, 5.0% had a male householder with no wife present, and 38.6% were non-families. 30.3% of all households were made up of individuals, and 10.3% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 2.97.

The median age in the city was 38.1 years. 21.6% of residents were under the age of 18; 7.8% were between the ages of 18 and 24; 30.7% were from 25 to 44; 26.5% were from 45 to 64; and 13.7% were 65 years of age or older. The gender makeup of the city was 49.2% male and 50.8% female.

2000 census

As of the census of 2000, there were 22,698 people, 9,389 households, and 6,102 families living in the city. The population density was 3,929.3 inhabitants per square mile (1,517.1/km²). There were 9,481 housing units at an average density of 1,641.3 per square mile (633.7/km²). The racial makeup of the city was 88.34% White, 4.20% African American, 0.59% Native American, 3.44% Asian, 0.02% Pacific Islander, 1.03% from other races, and 2.39% from two or more races. Hispanic or Latino of any race were 2.51% of the population.

There were 9,389 households, out of which 28.3% had children under the age of 18 living with them, 49.9% were married couples living together, 11.1% had a female householder with no husband present, and 35.0% were non-families. 27.5% of all households were made up of individuals, and 8.9% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 2.92.

In the city, the population was spread out, with 22.4% under the age of 18, 7.2% from 18 to 24, 34.6% from 25 to 44, 21.6% from 45 to 64, and 14.1% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 97.3 males. For every 100 females age 18 and over, there were 93.8 males.

The median income for a household in the city was $48,736, and the median income for a family was $54,738. Males had a median income of $39,494 versus $29,673 for females. The per capita income for the city was $23,163. About 2.5% of families and 4.4% of the population were below the poverty line, including 5.7% of those under age 18 and 3.6% of those age 65 or over.