Population 280 · Census ACS 2020–24
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Median age by neighborhoodHistory and comparison ↓︎
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Population and households in Armstrong
Household size in Armstrong
| Period | Armstrong | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 2.52 | 2.69 | 2.68 |
| 2010–14 | 2.66 | 2.71 | 2.73 |
| 2015–19 | 2.45 | 2.66 | 2.71 |
| 2020–24 | 2.72 | 2.58 | 2.65 |
| Change | +0.20 | −0.11 | −0.03 |
Households in Armstrong average 2.72 people, about the same as the country as a whole (2.65). The typical household here is bigger than in Illinois overall, where it has 2.58 people. Since 2006–10, household size has climbed from 2.52, but in a place this small, much of that may be survey noise rather than real change.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Armstrong
| Period | Armstrong | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 45.9 | 37.6 | 37.7 |
| 2010–14 | 46.2 | 38.5 | 38.6 |
| 2015–19 | 44.8 | 39.6 | 39.6 |
| 2020–24 | 49.6 | 40.2 | 40.1 |
| Change | +3.8 | +2.6 | +2.3 |
With a median age of 49.6, Armstrong is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Armstrong
| Period | Armstrong | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 6.9% | 11.7% | 12.3% |
| 2010–14 | 5.3% | 11.7% | 12.3% |
| 2015–19 | 7.0% | 11.1% | 11.6% |
| 2020–24 | 6.8% | 11.3% | 11.6% |
| Change | −0.1 pts | −0.4 pts | −0.6 pts |
Single parents head only 6.8% of households in Armstrong, well below the national share of 11.6%.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Armstrong
Renters in Armstrong
| Period | Armstrong | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 11.3% | 30.8% | 33.3% |
| 2010–14 | 17.4% | 33.1% | 35.6% |
| 2015–19 | 12.7% | 33.9% | 36.0% |
| 2020–24 | 14.3% | 32.9% | 34.8% |
| Change | +3.0 pts | +2.1 pts | +1.5 pts |
Only 14.3% of households in Armstrong rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 46.5% have no mortgage at all, above the national share of 39.8%.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Armstrong
| Period | Armstrong | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 12.9% | 10.0% | 11.4% |
| 2010–14 | 20.9% | 10.1% | 11.4% |
| 2015–19 | 8.2% | 9.8% | 11.1% |
| 2020–24 | 4.1% | 8.1% | 9.6% |
| Change | −8.8 pts | −1.9 pts | −1.8 pts |
Empty homes are scarce in Armstrong: just 4.1% sit vacant, compared with 9.6% nationally, a sign of a tight housing market.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Armstrong
| Period | Armstrong | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 1956 | 1966 | 1974 |
| 2010–14 | 1947 | 1967 | 1975 |
| 2015–19 | 1951 | 1968 | 1977 |
| 2020–24 | 1969 | 1970 | 1980 |
| Change | +13 | +4 | +6 |
Armstrong is a place of older homes: half were built before 1969, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. Illinois as a whole looks much the same.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Armstrong
| Period | Armstrong | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | $636 | $953 | $965 |
| 2010–14 | $722 | $1,028 | $1,040 |
| 2015–19 | $585 | $1,165 | $1,213 |
| 2020–24 | $988 | $1,428 | $1,571 |
| Change | +$352 | +$475 | +$606 |
The median renter in Armstrong pays $988 a month for rent and utilities, well below the national median of $1,571. The typical renter here spends 15.9% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Armstrong
Bachelor's degrees in Armstrong
| Period | Armstrong | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 9.8% | 31.2% | 28.4% |
| 2010–14 | 13.1% | 32.4% | 29.6% |
| 2015–19 | 20.7% | 34.7% | 32.1% |
| 2020–24 | 12.4% | 37.7% | 35.6% |
| Change | +2.7 pts | +6.5 pts | +7.2 pts |
College degrees are relatively uncommon in Armstrong: 12.4% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Armstrong
| Period | Armstrong | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 88.1% | 86.3% | 84.9% |
| 2010–14 | 93.0% | 87.5% | 86.1% |
| 2015–19 | 90.3% | 89.1% | 87.7% |
| 2020–24 | 97.1% | 90.3% | 89.3% |
| Change | +9.0 pts | +4.0 pts | +4.3 pts |
Finishing high school is nearly universal in Armstrong: 97.1% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Armstrong
| Period | Armstrong | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 8.8% | 8.7% | 8.1% |
| 2010–14 | 7.9% | 10.2% | 9.4% |
| 2015–19 | 2.6% | 6.1% | 5.6% |
| 2020–24 | 2.3% | 6.0% | 5.4% |
| Change | −6.6 pts | −2.7 pts | −2.7 pts |
The job market in Armstrong has been strong: just 2.3% of the labor force was out of work and looking, well below the national rate of 5.4%. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Armstrong compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Armstrong | 2.72 | 49.6 | 6.8% | 14.3% | 4.1% | 1969 | $988 | 12.4% | 97.1% | 2.3% |
| Potomac | 2.51 | 45.5 | 8.2% | 15.1% | 8.4% | 1962 | $833 | 20.7% | 95.3% | 2.5% |
| Penfield | 2.80 | 41.8 | 4.9% | 18.9% | 15.3% | 1965 | $950 | 23.0% | 96.0% | 1.5% |
| Hope | 2.47 | 45.1 | 9.0% | 15.7% | 9.2% | 1959 | $797 | 22.4% | 94.6% | 2.6% |
| Collison | 2.52 | 41.5 | 5.8% | 14.2% | 11.7% | 1966 | $827 | 24.3% | 96.3% | 2.3% |
| Reilly | 2.82 | 51.2 | 5.9% | 13.9% | 2.5% | 1972 | $1,063 | 8.8% | 98.0% | 2.2% |
| Gifford | 2.32 | 51.1 | 4.3% | 6.6% | 8.1% | 1981 | $609 | 22.8% | 96.2% | 2.1% |
| Jamesburg | 2.63 | 36.9 | 1.8% | 12.4% | 15.2% | 1975 | $873 | 26.8% | 98.5% | 1.8% |
| Royal | 2.25 | 43.5 | 4.3% | 18.4% | 9.0% | 1967 | $1,329 | 23.4% | 98.2% | 4.0% |
| Higginsville | 2.60 | 38.0 | 2.9% | 12.8% | 15.0% | 1976 | $874 | 26.3% | 98.5% | 1.7% |
| Henning | 2.49 | 40.2 | 5.3% | 19.1% | 10.3% | 1963 | $905 | 15.2% | 92.4% | 4.5% |
All figures 2020–24.
Cities with similar populations: Poole, LA · North Holston, VA · Pine Tree Corners, DE · Hyannis, NE · Plano, IN · Verona, ND · Four Corners, WY · Massbach, IL · Big Laurel, KY · Ogletown, PA
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Armstrong. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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