2000 Census
As of the census of 2000, there were 558 people, 241 households, and 152 families residing in the city. The population density was 586.2 people per square mile (226.8/km²). There were 297 housing units at an average density of 312.0 per square mile (120.7/km²). The racial makeup of the city was 96.95% White, 0.18% Asian, 1.79% from other races, and 1.08% from two or more races. Hispanic or Latino of any race were 2.69% of the population.
There were 241 households out of which 23.7% had children under the age of 18 living with them, 51.9% were married couples living together, 7.1% had a female householder with no husband present, and 36.9% were non-families. 35.3% of all households were made up of individuals and 21.6% had someone living alone who was 65 years of age or older. The average household size was 2.15 and the average family size was 2.67.
In the city the population was spread out with 20.1% under the age of 18, 4.3% from 18 to 24, 19.5% from 25 to 44, 26.2% from 45 to 64, and 29.9% who were 65 years of age or older. The median age was 50 years. For every 100 females there were 103.6 males. For every 100 females age 18 and over, there were 85.1 males.
The median income for a household in the city was $26,917, and the median income for a family was $36,705. Males had a median income of $26,071 versus $15,682 for females. The per capita income for the city was $16,973. About 8.2% of families and 13.5% of the population were below the poverty line, including 13.6% of those under age 18 and 7.0% of those age 65 or over.
Read more about this topic: Protection, Kansas, Demographics