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The total population of Linn County is estimated to be 229,308 with 113,646 males (49.56%) and 115,662 females (50.44%). There are 2,016 more females than males in Linn County.
The median household income in Linn County was $76,053 in 2021, which marked an a decrease of 209(0.27%) from $76,262 in 2020. This income is 101.94% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Linn County sees its highest median household income among householders in the age group of 45 to 64 years old, at $90,296. Overall, the median household income for the county of Linn County stands at $72,527.
In Linn County, the median income for all workers aged 15 years and older, regardless of work hours, was $50,045 for males and $31,851 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $63,473 for males and $50,297 for females.
In Linn County, the demographic landscape is diverse, spanning 6 distinct racial categories among households. Among these, Some Other Race households have the highest median household income at $250,001, while American Indian and Alaska Native households represent the opposite end with the lowest median household income of $35,899.
In 2022, the population of Linn County was 229,033, a 0.19% decrease year-by-year from 2021. Previously, in 2021, Linn County's population was 229,458, a decline of 0.41% compared to a population of 230,411 in 2020.
The median age in Linn County, IA is 37.9, as per 2021 ACS 5-Year Estimates. Of the total population, 19.25% were under the age of 15, 19.89% aged 15 to 29, 44.96% aged 30 to 64, 13.76% aged 65 to 84, and 2.15% were 85 years of age and older.
Racial distribution of Linn County population: 86.39% are White, 5.92% are Black or African American, 0.18% are American Indian and Alaska Native, 2.32% are Asian, 0.17% are Native Hawaiian and other Pacific Islander, 0.97% are some other race and 4.05% are multiracial.