Climate

This region experiences hot and dry summers, with no average monthly temperatures above 71.6 °F. According to the Köppen Climate Classification system, Selah has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.^[11]

2010 census

As of the 2010 census, there were 7,147 people, 2,658 households, and 1,861 families living in the city. The population density was 1,609.7 inhabitants per square mile (621.5/km²). There were 2,759 housing units at an average density of 621.4 per square mile (239.9/km²). The racial makeup of the city was 85.8% White, 0.5% African American, 1.3% Native American, 0.7% Asian, 0.2% Pacific Islander, 8.4% from other races, and 3.1% from two or more races. Hispanic or Latino of any race were 16.4% of the population.

There were 2,658 households, of which 42.6% had children under the age of 18 living with them, 47.2% were married couples living together, 17.2% had a female householder with no husband present, 5.6% had a male householder with no wife present, and 30.0% were non-families. 24.0% of all households were made up of individuals, and 8.6% had someone living alone who was 65 years of age or older. The average household size was 2.64 and the average family size was 3.12.

The median age in the city was 31.5 years. 29.6% of residents were under the age of 18; 9.5% were between the ages of 18 and 24; 27.9% were from 25 to 44; 22.8% were from 45 to 64; and 10.1% were 65 years of age or older. The gender makeup of the city was 48.2% male and 51.8% female.

2000 census

As of the 2000 census, there were 5,314 people, 2,269 households, and 1,688 families living in the city. The population density was 1,444.2 people per square mile (557.5/km²). There were 2,408 housing units at an average density of 551.1 per square mile (212.8/km²). The racial makeup of the city was 88.42% White, 0.60% African American, 1.22% Native American, 0.82% Asian, 0.08% Pacific Islander, 6.40% from other races, and 2.46% from two or more races. Hispanic or Latino of any race were 11.05% of the population.

There were 2,269 households, out of which 44.3% had children under the age of 18 living with them, 54.4% were married couples living together, 14.5% had a female householder with no husband present, and 25.6% were non-families. 21.7% of all households were made up of individuals, and 8.0% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.16.

In the city, the age distribution of the population shows 31.7% under the age of 18, 9.3% from 18 to 24, 31.6% from 25 to 44, 18.7% from 45 to 64, and 8.7% who were 65 years of age or older. The median age was 31 years. For every 100 females, there were 96.1 males. For every 100 females age 18 and over, there were 92.5 males.

The median income for a household in the city was $42,386, and the median income for a family was $49,477. Males had a median income of $39,241 versus $28,067 for females. The per capita income for the city was $18,595. About 9.0% of families and 10.4% of the population were below the poverty line, including 13.4% of those under age 18 and 5.1% of those age 65 or over.