Jefferson is located in Greene County, Iowa. Jefferson has a 2025 population of 1,359. It is also the county seat of Greene County. Jefferson 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 Jefferson is $62,876 with a poverty rate of 14.79%.The median age in Jefferson is 49.2 years: 48.7 years for males, and 50.3 years for females.
Data after 2023 is projected based on recent change
The racial composition of Jefferson includes 85.72% White, 9.71% Black or African American, and smaller percentages for other race, Native American and multiracial populations.
White (85.7%)
Black or African American (9.7%)
Two or more races (3.1%)
Other race (1.4%)
Native American (0.1%)
Race | Population | Percentage (of total) |
---|---|---|
White | 1,165 | 85.72% |
Black or African American | 132 | 9.71% |
Two or more races | 42 | 3.09% |
Other race | 19 | 1.4% |
Native American | 1 | 0.07% |
Married
Widowed
Divorced
Separated
Never Married
Jefferson's average per capita income is $29,706. Household income levels show a median of $37,574. The poverty rate stands at 14.79%.
Name | Median | Mean |
---|---|---|
Married Families | $67,031 | - |
Families | $66,771 | $94,114 |
Households | $37,574 | $62,876 |
Non Families | $21,914 | $26,627 |
Average Income
Median Household Income
Poverty Rate