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| County : | Armstrong County |
| State : | Pennsylvania (PA) |
| Land Area : | 653.20 sq mi |
| Water Area : | 10.64 sq mi |
| Latitude : | 40.8123792 |
| Longitude : | -79.4641277 |
| Population (2010): | 68,941 |
| Population Estimate (2012) : | 68,942 |
| Population Density : | 105.54/sq mi |
| Housing Units (2012) : | 32,520 |
| Median Household Income (2012) : | $44,478 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $53,801 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $92,300 (Pennsylvania : $164,900, USA : $181,400) |
Armstrong County Cities / Towns
| Apollo Borough (1,647) | Applewold Borough (310) | Atwood Borough (107) |
| Dayton Borough (553) | Elderton Borough (356) | Ford City Borough (2,991) |
| Ford Cliff Borough (371) | Freeport Borough (1,813) | Kiskimere (136) |
| Kittanning Borough (4,044) | Leechburg Borough (2,156) | Lenape Heights (1,167) |
| Manorville Borough (410) | North Apollo Borough (1,297) | North Vandergrift (447) |
| Orchard Hills (1,952) | Parker City (840) | Pleasant View (780) |
| Rural Valley Borough (876) | South Bethlehem Borough (481) | Templeton (325) |
| West Hills (1,263) | West Kittanning Borough (1,175) | Worthington Borough (639) |
Armstrong County Zip Codes
| 15613 (13,933) | 15618 (2,634) | 15656 (10,298) |
| 15673 (1,296) | 15686 (972) | 15690 (9,078) |
| 15732 (1,669) | 15736 (613) | 15774 (3,029) |
| 16025 (5,564) | 16028 (1,886) | 16041 (1,888) |
| 16049 (3,241) | 16055 (8,486) | 16201 (18,214) |
| 16210 (1,014) | 16212 (339) | 16218 (1,195) |
| 16222 (2,526) | 16223 (154) | 16224 (1,181) |
| 16226 (8,279) | 16228 (371) | 16229 (4,997) |
| 16236 (262) | 16238 (410) | 16240 (1,533) |
| 16242 (4,693) | 16244 (265) | 16245 (207) |
| 16249 (2,089) | 16250 (315) | 16253 (91) |
| 16259 (1,934) | 16262 (3,007) | 16263 (317) |