Shell Rock is a city located in Butler County, Iowa. Shell Rock has a 2026 population of 1,263. Shell Rock is currently declining at a rate of -0.08% annually and its population has decreased by -0.39% since the most recent census, which recorded a population of 1,268 in 2020.
The median household income in Shell Rock is $78,657 with a poverty rate of 5.01%. The median age in Shell Rock is 35.6 years: 36.7 years for males, and 34.3 years for females. For every 100 females there are 91.4 males.
Data after 2023 is projected based on recent change
Overall: 35.6 years
Female: 34.3 years
Male: 36.7 years
There are 1,148 adults, (279 of whom are seniors) in Shell Rock.
Female: 849 (52.2%)
Male: 776 (47.8%)
The racial composition of Shell Rock includes 94.4% White, and smaller percentages for Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,534 | 94.4% |
| Two or more races | 81 | 4.98% |
| Black or African American | 10 | 0.62% |
Shell Rock 's average per capita income is $54,800. Household income levels show a median of $78,657. The poverty rate stands at 5.01%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,750 | - |
| Families | $83,482 | $108,044 |
| Households | $78,657 | $94,345 |
| Non Families | $34,893 | $52,035 |
Average Income
Median Household Income
Poverty Rate