Polk County's estimated 2026 population is 19,322 with a growth rate of -0.29% in the past year according to the most recent United States census data. Polk County is the 34th largest county in Arkansas. The 2010 population was 20,669 and has seen a growth of -6.52% since that time.
Data after 2023 is projected based on recent change
The racial composition of Polk County includes 89.44% White, 3.26% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander, Black or African American and multiracial populations.
White (89.44%)
Two or more races (5.66%)
Other race (3.26%)
Native American (1.32%)
Native Hawaiian or Pacific Islander (0.22%)
Black or African American (0.09%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 17,304 | 89.44% |
| Two or more races | 1,096 | 5.66% |
| Other race | 631 | 3.26% |
| Native American | 256 | 1.32% |
| Native Hawaiian or Pacific Islander | 43 | 0.22% |
| Black or African American | 18 | 0.09% |
Married
Widowed
Divorced
Separated
Never Married
Polk County's average per capita income is $36,498. Household income levels show a median of $49,252. The poverty rate stands at 18.97%.
Name | Median | Mean |
|---|---|---|
| Married Families | $70,504 | - |
| Families | $61,273 | $90,007 |
| Households | $49,252 | $75,460 |
| Non Families | $28,115 | $46,227 |
Average Income
Median Household Income
Poverty Rate
