the resident population of the United States more»
| City: | Armstrong |
| State: | Iowa |
| Area Code: | 712 |
| Latitude: | 43.413894 |
| Longitude: | -94.482818 |
| Time Zone: | Eastern GMT -6 |
| City Alias(es): | Maple Hill |
| Population: | 1,170 |
| 2000 Population: | 1,593 |
| White Population: | 1,577 |
| Black Population: | 2 |
| Hispanic Population: | 7 |
| Asian Population: | 3 |
| Hawaiian Population: | 4 |
| Other Population: | 4 |
| Male Population: | 779 |
| Female Population: | 814 |
| Median Age: | 43.60 |
| Male Median Age: | 42.40 |
| Female Median Age: | 45.50 |
| Households: | 726 |
| Average Household Size: | 2.34 |
| Average House Value: | $47,400 |
| Average Household Income: | $36,154 |
| Number of Businesses: | 55 |
| Number of Employees: | 707 |
| Annual Payroll: | $19,823,000 |
| Land Area: | 116.424 sq mi |
| Water Area: | 0.803 sq mi |
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