| County : | Arapahoe County |
| State : | Colorado (CO) |
| Land Area : | 798.10 sq mi |
| Water Area : | 7.34 sq mi |
| Latitude : | 39.6446318 |
| Longitude : | -104.3317329 |
| Population (2010): | 572,003 |
| Population Estimate (2012) : | 574,357 |
| Population Density : | 716.71/sq mi |
| Housing Units (2012) : | 238,301 |
| Median Household Income (2012) : | $60,400 (Colorado : $58,244, USA : $53,046) |
| Median Family Income (2012) : | $74,070 (Colorado : $72,455, USA : $64,585) |
| Median House Price (2012) : | $230,900 (Colorado : $236,800, USA : $181,400) |
Arapahoe County Cities / Towns
| Aetna Estates (834) | Aurora City (325,078) | Bennett Town (2,308) |
| Bow Mar Town (866) | Brick Center (107) | Byers (1,160) |
| Centennial City (100,377) | Cherry Creek (11,120) | Cherry Hills Village City (5,987) |
| Columbine (24,280) | Columbine Valley Town (1,256) | Comanche Creek (369) |
| Deer Trail Town (546) | Dove Valley (5,243) | Englewood City (30,255) |
| Foxfield Town (685) | Glendale City (4,184) | Greenwood Village City (13,925) |
| Holly Hills (2,521) | Inverness (1,532) | Littleton City (41,737) |
| Peoria (163) | Sheridan City (5,664) | Strasburg (2,447) |
| Watkins (653) |
Arapahoe County Zip Codes
| 80010 (39,728) | 80011 (47,461) | 80012 (46,665) |
| 80013 (69,588) | 80014 (36,710) | 80015 (62,432) |
| 80016 (41,219) | 80017 (34,270) | 80018 (9,206) |
| 80102 (5,514) | 80103 (2,458) | 80105 (1,171) |
| 80110 (20,867) | 80111 (28,948) | 80112 (29,217) |
| 80113 (20,562) | 80120 (28,435) | 80121 (17,853) |
| 80122 (29,783) | 80123 (44,795) | 80128 (34,988) |
| 80136 (4,834) | 80137 (1,323) | 80220 (33,529) |
| 80222 (20,073) | 80224 (17,256) | 80231 (32,127) |
| 80236 (16,123) | 80246 (12,875) | 80247 (25,449) |