the resident population of the United States more»
| City: | Armstrong |
| State: | Illinois |
| Area Code: | 217 |
| Latitude: | 40.240246 |
| Longitude: | -87.882150 |
| Time Zone: | Eastern GMT -6 |
| City Alias(es): | |
| Population: | 262 |
| 2000 Population: | 420 |
| White Population: | 408 |
| Black Population: | 6 |
| Hispanic Population: | 5 |
| Hawaiian Population: | 1 |
| Other Population: | 5 |
| Male Population: | 213 |
| Female Population: | 207 |
| Median Age: | 39.70 |
| Male Median Age: | 39.60 |
| Female Median Age: | 39.90 |
| Households: | 176 |
| Average Household Size: | 2.47 |
| Average House Value: | $55,400 |
| Average Household Income: | $34,091 |
| Number of Businesses: | 2 |
| Number of Employees: | 27 |
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