Johnson is located in Plymouth County, Iowa. Johnson has a 2025 population of 123. Johnson is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Johnson is $80,288 with a poverty rate of 8.94%.The median age in Johnson is 36.8 years: 36.8 years for males, and 36.9 years for females.
Data after 2023 is projected based on recent change
The racial composition of Johnson includes 73.17% White, 13.01% Asian, and smaller percentages for and multiracial populations.
White (73.2%)
Two or more races (13.8%)
Asian (13.0%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 90 | 73.17% |
| Two or more races | 17 | 13.82% |
| Asian | 16 | 13.01% |
Married
Widowed
Divorced
Separated
Never Married
Johnson's average per capita income is $72,955. Household income levels show a median of $98,750. The poverty rate stands at 8.94%.
Name | Median | Mean |
|---|---|---|
| Married Families | $121,818 | - |
| Families | $120,455 | $106,384 |
| Households | $98,750 | $80,288 |
| Non Families | - | $30,104 |
Average Income
Median Household Income
Poverty Rate