| County : | Weld County |
| State : | Colorado (CO) |
| Land Area : | 3,987.22 sq mi |
| Water Area : | 29.56 sq mi |
| Latitude : | 40.5557944 |
| Longitude : | -104.3836487 |
| Population (2010): | 252,825 |
| Population Estimate (2012) : | 253,552 |
| Population Density : | 63.41/sq mi |
| Housing Units (2012) : | 96,281 |
| Median Household Income (2012) : | $56,589 (Colorado : $58,244, USA : $53,046) |
| Median Family Income (2012) : | $66,709 (Colorado : $72,455, USA : $64,585) |
| Median House Price (2012) : | $192,100 (Colorado : $236,800, USA : $181,400) |
Weld County Cities / Towns
| Aristocrat Ranchettes (1,344) | Ault Town (1,519) | Berthoud Town (5,105) |
| Brighton City (33,352) | Dacono City (4,152) | Eaton Town (4,365) |
| Erie Town (18,135) | Evans City (18,537) | Firestone Town (10,147) |
| Fort Lupton City (7,377) | Frederick Town (8,679) | Garden City Town (234) |
| Gilcrest Town (1,034) | Greeley City (92,889) | Grover Town (137) |
| Hudson Town (2,356) | Johnstown Town (9,887) | Keenesburg Town (1,127) |
| Kersey Town (1,454) | La Salle Town (1,955) | Lochbuie Town (4,726) |
| Longmont City (86,270) | Mead Town (3,405) | Milliken Town (5,610) |
| Northglenn City (35,789) | Nunn Town (416) | Pierce Town (834) |
| Platteville Town (2,485) | Raymer (new Raymer) Town (96) | Severance Town (3,165) |
| Windsor Town (18,644) |
Weld County Zip Codes
| 80504 (46,876) | 80513 (10,296) | 80514 (4,106) |
| 80516 (20,254) | 80520 (1,498) | 80524 (31,668) |
| 80530 (3,790) | 80534 (11,301) | 80537 (38,821) |
| 80542 (3,631) | 80543 (5,887) | 80546 (149) |
| 80549 (8,642) | 80550 (20,675) | 80603 (11,973) |
| 80610 (2,791) | 80611 (659) | 80612 (430) |
| 80615 (7,482) | 80620 (17,775) | 80621 (12,079) |
| 80622 (268) | 80623 (1,028) | 80624 (946) |
| 80631 (48,603) | 80634 (52,861) | 80642 (4,309) |
| 80643 (3,011) | 80644 (2,989) | 80645 (3,905) |
| 80648 (1,001) | 80649 (299) | 80650 (1,432) |
| 80651 (4,176) | 80652 (574) | 80654 (2,359) |
| 80729 (540) | 80742 (225) | 80754 (164) |