| Population | 4,815 |
| Nationwide Rank | 4837 |
New Castle, Colorado is the 4,837th largest city in the United States as of 2017.
New Castle, Colorado is a town.
New Castle, Colorado is as large as it has ever been. In 2017 New Castle had its largest population ever.
New Castle, Colorado is growing extremely quickly. It is growing faster than 95% of similarly sized cities since 2000.
| US Rank | Name | Population | Growth 2000-2017 |
|---|---|---|---|
| 4827 | Manchester, Maryland | 4,834 | 47.8% |
| 4828 | Penns Grove, New Jersey | 4,831 | -0.8% |
| 4829 | Palos Park, Illinois | 4,826 | -0.7% |
| 4830 | Whiting, Indiana | 4,825 | -5.7% |
| 4831 | Seat Pleasant, Maryland | 4,823 | -1.3% |
| 4832 | Carthage, Mississippi | 4,822 | 4.1% |
| 4833 | Highlands, New Jersey | 4,821 | -5.2% |
| 4834 | Buckley, Washington | 4,819 | 14.7% |
| 4835 | Porter, Indiana | 4,818 | -3.3% |
| 4836 | Luray, Virginia | 4,817 | -1.0% |
| 4837 | New Castle, Colorado | 4,815 | 134.0% |
| 4838 | Shenandoah, Pennsylvania | 4,814 | -14.1% |
| 4839 | Toronto, Ohio | 4,814 | -14.8% |
| 4840 | Margaret, Alabama | 4,813 | 333.2% |
| 4841 | Mathis, Texas | 4,810 | -10.5% |
| 4842 | Devine, Texas | 4,809 | 15.4% |
| 4843 | Westmont, Pennsylvania | 4,798 | -12.8% |
| 4844 | Midway, North Carolina | 4,792 | 6.3% |
| 4845 | Jackson, Alabama | 4,790 | -11.2% |
| 4846 | Omak, Washington | 4,787 | -0.4% |
| 4847 | Royersford, Pennsylvania | 4,776 | 12.4% |
| US Rank | Name | Population | Growth 2000-2017 |
|---|---|---|---|
| 3157 | Wellington | 9,527 | 250.7% |
| 3284 | Craig | 8,922 | -2.6% |
| 3296 | Berthoud | 8,889 | 76.7% |
| 3315 | Delta | 8,823 | 12.5% |
| 3356 | Cortez | 8,709 | 8.7% |
| 3524 | Fort Lupton | 8,163 | 12.9% |
| 3558 | Trinidad | 8,073 | -11.5% |
| 3697 | Woodland Park | 7,642 | 12.6% |
| 3712 | Lamar | 7,601 | -14.0% |
| 3778 | Monument | 7,380 | 243.8% |
| 3787 | Aspen | 7,359 | 23.4% |
| 3871 | Gypsum | 7,117 | 82.8% |
| 3900 | Milliken | 7,014 | 130.1% |
| 3935 | La Junta | 6,898 | -8.6% |
| 3945 | Eagle | 6,867 | 124.1% |
| 3963 | Carbondale | 6,820 | 29.1% |
| 4026 | Cherry Hills Village | 6,644 | 10.9% |
| 4066 | Avon | 6,541 | 15.1% |
| 4070 | Gunnison | 6,530 | 20.8% |
| 4136 | Lochbuie | 6,353 | 193.7% |
| 4145 | Estes Park | 6,339 | 14.0% |
| 4218 | Sheridan | 6,098 | 10.0% |
| 4329 | Salida | 5,856 | 4.7% |
| 4448 | Dacono | 5,545 | 79.5% |
| 4478 | Vail | 5,483 | 18.4% |
| 4530 | Brush | 5,364 | 4.5% |
| 4554 | Manitou Springs | 5,322 | 6.5% |
| 4559 | Edgewater | 5,308 | -2.7% |
| 4604 | Eaton | 5,224 | 86.7% |
| 4631 | Glendale | 5,158 | 13.7% |
| 4762 | Breckenridge | 4,928 | 72.8% |
| 4837 | New Castle | 4,815 | 134.0% |
| 4920 | Silverthorne | 4,658 | 43.9% |
| 4970 | Mead | 4,575 | 128.1% |
| 5171 | Severance | 4,275 | 537.1% |
| 5239 | Monte Vista | 4,175 | -8.9% |
| 5242 | Basalt | 4,170 | 51.6% |
| 5428 | Florence | 3,914 | 7.0% |
| 5496 | Rocky Ford | 3,827 | -10.3% |
| 5738 | Yuma | 3,511 | 6.9% |
| 5927 | Timnath | 3,295 | 1044.0% |
| 6037 | Burlington | 3,178 | -13.2% |
| 6090 | Frisco | 3,129 | 28.4% |
| 6091 | Silt | 3,129 | 75.8% |
| 6131 | Orchard City | 3,096 | 7.0% |
| 6268 | Walsenburg | 2,960 | -28.6% |
| 6414 | Buena Vista | 2,806 | 27.6% |
| 6459 | Snowmass Village | 2,769 | 53.2% |
| 6473 | Leadville | 2,759 | -2.0% |
| 6496 | Platteville | 2,743 | 15.0% |
| 6518 | Palmer Lake | 2,728 | 24.5% |
| 6568 | Bayfield | 2,687 | 68.5% |
| 6571 | Palisade | 2,686 | 3.9% |
| 6838 | Bennett | 2,471 | 19.4% |
| 6893 | Telluride | 2,426 | 7.6% |
| Year | Population | Rank in US |
|---|---|---|
| 2017 | 4,815 | 4,837 |
| 2016 | 4,753 | 4,849 |
| 2015 | 4,669 | 4,889 |
| 2014 | 4,608 | 4,914 |
| 2013 | 4,574 | 4,922 |
| 2012 | 4,551 | 4,921 |
| 2011 | 4,483 | 4,958 |
| 2010 | 4,518 | 4,910 |
| 2009 | 4,145 | 5,115 |
| 2008 | 3,730 | 5,391 |
| 2007 | 3,489 | 5,557 |
| 2006 | 3,232 | 5,764 |
| 2005 | 2,971 | 6,002 |
| 2004 | 2,778 | 6,187 |
| 2003 | 2,683 | 6,302 |
| 2002 | 2,493 | 6,552 |
| 2001 | 2,287 | 6,856 |
| 2000 | 2,057 | 7,264 |
| 1990 | 710 | 11,360 |