Grundy County's estimated 2026 population is 9,739 with a growth rate of -0.05% in the past year according to the most recent United States census data. Grundy County is the 87th largest county in Missouri. The 2010 population was 10,254 and has seen a growth of -5.02% since that time.
Data after 2023 is projected based on recent change
Overall: 40.6 years
Female: 42.5 years
Male: 38.4 years
There are 7,254 adults, (2,198 of whom are seniors) in Grundy County.
Female: 4,928 (50.4%)
Male: 4,859 (49.6%)
The racial composition of Grundy County includes 92.56% White, and smaller percentages for other race, Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 9,059 | 92.56% |
| Two or more races | 493 | 5.04% |
| Other race | 91 | 0.93% |
| Asian | 73 | 0.75% |
| Black or African American | 50 | 0.51% |
| Native American | 20 | 0.2% |
| Native Hawaiian or Pacific Islander | 1 | 0.01% |
Grundy County's average per capita income is $42,093. Household income levels show a median of $51,975. The poverty rate stands at 17.58%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,438 | - |
| Families | $73,382 | $87,570 |
| Households | $51,975 | $75,460 |
| Non Families | $27,075 | $57,874 |
Average Income
Median Household Income
Poverty Rate