Holy Cross is a city located in Dubuque County, Iowa. Holy Cross has a 2025 population of 345 . Holy Cross is currently declining at a rate of -0.86% annually and its population has decreased by -4.17% since the most recent census, which recorded a population of 360 in 2020.
The average household income in Holy Cross is $79,432 with a poverty rate of 3.03%. The median age in Holy Cross is 48.7 years: 48.6 years for males, and 49 years for females. For every 100 females there are 120.0 males.
Data after 2023 is projected based on recent change
The racial composition of Holy Cross includes 93.56% White, 3.79% Native American, and smaller percentages for other race and multiracial populations.
White (93.56%)
Native American (3.79%)
Other race (2.65%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 247 | 93.56% |
| Native American | 10 | 3.79% |
| Other race | 7 | 2.65% |
Married
Widowed
Divorced
Separated
Never Married
Holy Cross' average per capita income is $45,625. Household income levels show a median of $47,188. The poverty rate stands at 3.03%.
Name | Median | Mean |
|---|---|---|
| Married Families | $103,750 | - |
| Families | $100,625 | $105,720 |
| Households | $47,188 | $79,432 |
| Non Families | $40,987 | $50,085 |
Average Income
Median Household Income
Poverty Rate