As of the 2023
American Community Survey, there are 2,602 estimated households in Sidney with an average of 2.38 persons per household. The city has a median household income of $62,992. Approximately 8.6% of the city's population lives at or below the
poverty line. Sidney has an estimated 72.3% employment rate, with 18.9% of the population holding a bachelor's degree or higher and 96.0% holding a high school diploma. The top five reported ancestries (people were allowed to report up to two ancestries, thus the figures will generally add to more than 100%) were English (95.9%), Spanish (2.4%), Indo-European (0.7%), Asian and Pacific Islander (1.0%), and Other (0.0%).
Racial and ethnic composition 2020 census As of the
2020 census, there were 6,346 people, 2,720 households, and 1,596 families residing in the city. The median age was 36.7 years. 24.6% of residents were under the age of 18 and 14.5% were 65 years of age or older. For every 100 females, there were 101.5 males; for every 100 females age 18 and over, there were 102.1 males age 18 and over. 99.2% of residents lived in urban areas, while 0.8% lived in rural areas. There were 2,720 households, of which 30.9% had children under the age of 18 living in them. Of all households, 43.5% were married-couple households, 23.5% were households with a male householder and no spouse or partner present, and 24.7% were households with a female householder and no spouse or partner present. About 33.8% of all households were made up of individuals, and 11.2% had someone living alone who was 65 years of age or older.
2010 census As of the
2010 census, there were 5,191 people, 2,304 households, and 1,378 families residing in the city. The population density was . There were 2,467 housing units at an average density of . The racial makeup of the city was 94.88%
White, 0.06%
African American, 1.83%
Native American, 0.39%
Asian, 0.00%
Pacific Islander, 0.67% from some other races and 2.18% from two or more races.
Hispanic or Latino people of any race were 3.45% of the population. There were 2,304 households, of which 28.5% had children under the age of 18 living with them, 46.0% were
married couples living together, 8.6% had a female householder with no husband present, 5.2% had a male householder with no wife present, and 40.2% were non-families. 33.7% of all households were made up of individuals, and 12.9% had someone living alone who was 65 years of age or older. The average household size was 2.24 and the average family size was 2.85. The median age in the city was 39.3 years. 23.3% of residents were under the age of 18; 8.2% were between the ages of 18 and 24; 24.7% were from 25 to 44; 29% were from 45 to 64; and 14.8% were 65 years of age or older. The gender makeup of the city was 50.6% male and 49.4% female.
2000 census As of the
2000 census, there were 4,774 people, 2,006 households, and 1,271 families residing in the city. The population density was . There were 2,393 housing units at an average density of . The racial makeup of the city was 95.81%
White, 0.10%
African American, 1.89%
Native American, 0.31%
Asian, 0.00%
Pacific Islander, 1.01% from some other races and 0.88% from two or more races.
Hispanic or Latino people of any race were 2.43% of the population. There were 2,006 households, out of which 31.8% had children under the age of 18 living with them, 49.8% were
married couples living together, 9.9% had a female householder with no husband present, and 36.6% were non-families. 33.0% of all households were made up of individuals, and 15.3% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.98. In the city, the population was spread out, with 26.7% under the age of 18, 7.1% from 18 to 24, 26.6% from 25 to 44, 21.8% from 45 to 64, and 18.0% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 92.3 males. For every 100 females age 18 and over, there were 85.8 males. The median income for a household in the city was $32,109, and the median income for a family was $38,992. Males had a median income of $30,347 versus $18,517 for females. The
per capita income for the city was $16,911. About 8.5% of families and 12.7% of the population were below the
poverty line, including 17.1% of those under age 18 and 8.7% of those age 65 or over. ==Notable people==