Linn County's estimated 2026 population is 11,756 with a growth rate of -0.5% in the past year according to the most recent United States census data. Linn County is the 78th largest county in Missouri. The 2010 population was 12,774 and has seen a growth of -7.97% since that time.
Data after 2023 is projected based on recent change
Overall: 42.1 years
Female: 43.5 years
Male: 40.9 years
There are 9,088 adults, (2,580 of whom are seniors) in Linn County.
Female: 6,059 (51.1%)
Male: 5,793 (48.9%)
The racial composition of Linn County includes 94.45% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 11,194 | 94.45% |
| Two or more races | 407 | 3.43% |
| Black or African American | 97 | 0.82% |
| Other race | 57 | 0.48% |
| Asian | 52 | 0.44% |
| Native American | 33 | 0.28% |
| Native Hawaiian or Pacific Islander | 12 | 0.1% |
Linn County's average per capita income is $42,464. Household income levels show a median of $61,635. The poverty rate stands at 13.74%.
Name | Median | Mean |
|---|---|---|
| Married Families | $89,297 | - |
| Families | $80,128 | $96,469 |
| Households | $61,635 | $82,789 |
| Non Families | $38,409 | $57,603 |
Average Income
Median Household Income
Poverty Rate