| County : | Clay County |
| State : | Missouri (MO) |
| Land Area : | 397.30 sq mi |
| Water Area : | 11.37 sq mi |
| Latitude : | 39.3155512 |
| Longitude : | -94.4215023 |
| Population (2010): | 221,939 |
| Population Estimate (2012) : | 222,048 |
| Population Density : | 558.62/sq mi |
| Housing Units (2012) : | 93,918 |
| Median Household Income (2012) : | $60,560 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $73,681 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $154,600 (Missouri : $138,400, USA : $181,400) |
Clay County Cities / Towns
| Avondale City (440) | Birmingham Village (183) | Claycomo Village (1,430) |
| Excelsior Estates Village (147) | Excelsior Springs City (11,084) | Gladstone City (25,410) |
| Glenaire City (545) | Holt City (447) | Kansas City (459,787) |
| Kearney City (8,381) | Lawson City (2,473) | Liberty City (29,149) |
| Missouri City (267) | Mosby City (190) | North Kansas City (4,208) |
| Oaks Village (129) | Oakview Village (375) | Oakwood Village (185) |
| Oakwood Park Village (188) | Pleasant Valley City (2,961) | Prathersville Village (124) |
| Randolph Village (52) | Smithville City (8,425) |
Clay County Zip Codes
| 64024 (16,230) | 64048 (4,140) | 64060 (13,042) |
| 64062 (6,121) | 64068 (36,280) | 64072 (239) |
| 64077 (1,940) | 64089 (11,470) | 64116 (15,318) |
| 64117 (14,017) | 64118 (40,191) | 64119 (27,341) |
| 64155 (21,901) | 64156 (5,404) | 64157 (16,122) |
| 64158 (5,161) | 64161 (388) | 64165 (112) |
| 64166 (278) | 64167 (353) | 64492 (1,782) |