| County : | Allen County |
| State : | Ohio (OH) |
| Land Area : | 402.49 sq mi |
| Water Area : | 4.35 sq mi |
| Latitude : | 40.7715280 |
| Longitude : | -84.1065456 |
| Population (2010): | 106,331 |
| Population Estimate (2012) : | 106,079 |
| Population Density : | 264.18/sq mi |
| Housing Units (2012) : | 44,999 |
| Median Household Income (2012) : | $43,194 (Ohio : $48,246, USA : $53,046) |
| Median Family Income (2012) : | $55,220 (Ohio : $61,163, USA : $64,585) |
| Median House Price (2012) : | $104,400 (Ohio : $133,700, USA : $181,400) |
Allen County Cities / Towns
| Beaverdam Village (382) | Bluffton Village (4,125) | Cairo Village (524) |
| Delphos City (7,101) | Elida Village (1,905) | Fort Shawnee Village (3,726) |
| Harrod Village (417) | Lafayette Village (445) | Lima City (38,771) |
| Spencerville Village (2,223) |
Allen County Zip Codes
| 45801 (25,303) | 45804 (15,758) | 45805 (22,514) |
| 45806 (11,158) | 45807 (12,221) | 45808 (349) |
| 45809 (157) | 45810 (8,460) | 45817 (6,736) |
| 45820 (543) | 45830 (6,228) | 45833 (10,667) |
| 45844 (3,256) | 45850 (3,653) | 45854 (498) |
| 45877 (2,139) | 45887 (4,755) | 45896 (2,089) |