2020 census As of the
2020 census, Johnson City had 1,627 people, 675 households, and 415 families residing in the city. The median age was 44.9 years; 21.0% of residents were under 18 and 21.8% were 65 or older. For every 100 females, there were 83.6 males, and for every 100 females 18 and over, there were 81.2 males age 18 and over.
2000 census As of the 2000
census, 1,191 people, 442 households, and 317 families resided in the city. The population density was . The 490 housing units had an average density of . The
racial makeup of the city was 89.67% White, 0.84% Native American, 0.17% Asian, 8.23% from other races, and 1.09% from two or more races. Hispanics or Latinos of any race were 20.57% of the population. Of the 442 households, 36.9% had children under 18 living with them, 56.6% were married couples living together, 11.3% had a female householder with no husband present, and 28.1% were not families. About 24.0% of all households were made up of individuals, and 12.7% had someone living alone who was 65 or older. The average household size was 2.57, and the average family size was 3.07. In the city, the age distribution was 28.0% under 18, 6.5% from 18 to 24, 27.3% from 25 to 44, 21.2% from 45 to 64, and 17.1% who were 65 or older. The
median age was 37 years. For every 100 females, there were 88.2 males. For every 100 females 18 and over, there were 84.5 males. The median income in the city for a household was $34,148 and for a family was $39,375. Males had a median income of $30,529 versus $21,607 for females. The
per capita income for the city was $14,977. About 9.2% of families and 12.5% of the population were below the
poverty line, including 17.8% of those under 18 and 11.8% of those 65 or over. ==Parks and recreation==