Climate

The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Sedgwick has a humid subtropical climate, abbreviated "Cfa" on climate maps.^[8]

2020 census

As of the 2020 census, Sedgwick had a population of 1,603. The median age was 39.2 years. 27.2% of residents were under the age of 18 and 16.3% of residents were 65 years of age or older. For every 100 females there were 92.9 males, and for every 100 females age 18 and over there were 94.5 males age 18 and over.^[9][10]

0.0% of residents lived in urban areas, while 100.0% lived in rural areas.^[11]

There were 609 households in Sedgwick, of which 33.8% had children under the age of 18 living in them. Of all households, 52.9% were married-couple households, 16.6% were households with a male householder and no spouse or partner present, and 24.5% were households with a female householder and no spouse or partner present. About 28.2% of all households were made up of individuals and 13.9% had someone living alone who was 65 years of age or older.^[9]

There were 649 housing units, of which 6.2% were vacant. The homeowner vacancy rate was 1.4% and the rental vacancy rate was 6.5%.^[9]

2010 census

As of the census^[12] of 2010, there were 1,695 people, 611 households, and 440 families living in the city. The population density was 1,202.1 inhabitants per square mile (464.1/km²). There were 643 housing units at an average density of 456.0 per square mile (176.1/km²). The racial makeup of the city was 95.8% White, 0.2% African American, 0.5% Native American, 0.3% Asian, 1.5% from other races, and 1.7% from two or more races. Hispanic or Latino of any race were 4.4% of the population.

There were 611 households, of which 40.6% had children under the age of 18 living with them, 56.1% were married couples living together, 10.5% had a female householder with no husband present, 5.4% had a male householder with no wife present, and 28.0% were non-families. 24.5% of all households were made up of individuals, and 9.4% had someone living alone who was 65 years of age or older. The average household size was 2.68 and the average family size was 3.21.

The median age in the city was 37 years. 29.6% of residents were under the age of 18; 6.5% were between the ages of 18 and 24; 24.6% were from 25 to 44; 24.3% were from 45 to 64; and 14.9% were 65 years of age or older. The gender makeup of the city was 48.0% male and 52.0% female.

2000 census

As of the census of 2000, there were 1,537 people, 545 households, and 424 families living in the city. The population density was 1,408.8 inhabitants per square mile (543.9/km²). There were 568 housing units at an average density of 520.6 per square mile (201.0/km²). The racial makeup of the city was 95.71% White, 0.07% African American, 1.56% Native American, 0.26% Asian, 0.78% from other races, and 1.63% from two or more races. Hispanic or Latino of any race were 3.12% of the population.

There were 545 households, out of which 40.9% had children under the age of 18 living with them, 65.5% were married couples living together, 8.3% had a female householder with no husband present, and 22.2% were non-families. 20.9% of all households were made up of individuals, and 9.2% had someone living alone who was 65 years of age or older. The average household size was 2.71 and the average family size was 3.15.

In the city, the population was spread out, with 29.6% under the age of 18, 6.4% from 18 to 24, 30.7% from 25 to 44, 19.5% from 45 to 64, and 13.8% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 93.6 males. For every 100 females age 18 and over, there were 92.9 males.

As of 2000 the median income for a household in the city was $44,934, and the median income for a family was $49,659. Males had a median income of $37,216 versus $24,732 for females. The per capita income for the city was $17,009. About 4.4% of families and 6.2% of the population were below the poverty line, including 11.7% of those under age 18 and 5.9% of those age 65 or over.