| A very recent survey, published in the U.S Census | | | | of 289,898 |
| Bureau News by the U.S. Department of Commerce, | | | | 7. Tarrant, Texas, with a population growth of 225,121 |
| reveals interesting trends of increase in the population | | | | 8. Collin, Texas, with a population growth of 207,076 |
| among the U.S. counties. | | | | 9. Gwinnett, Georgia, with a population growth of |
| The U.S comprises of 3,141 counties and among these | | | | 168,656 |
| the top of the charts for the largest numerical increase | | | | 10. Will, Illinois, with a population growth of 165,950 |
| in population is held by Arizona's Maricopa County. The | | | | While these are the statistics of the counties with the |
| County gained 696,000 residents between 2000 and | | | | highest population gain, the Census Bureau statistics |
| 2006, an increase that exceeds the collective | | | | for the U.S. counties with the fastest growing |
| population of all but 15 U.S. cities. This is the fourth | | | | population are as follows: |
| largest county in the U.S and the surge in its population | | | | Flagler in Florida was the fastest growing county in the |
| has made Arizona the fastest growing state between | | | | U.S. with a population gain of 66.7 % from 2000 to |
| 2005 and 2006. | | | | 2006. The county's current population is at 83,000. |
| The second county in America, which added the | | | | Kendall, Illinois and Rockwall, Texas, with a population |
| largest increase in the number of residents, is Harris | | | | increase of 61.7 % and 60.5 % respectively, were the |
| County, Texas, with a population gain of 486,000 | | | | nation's second and third fastest growing counties. |
| residents. | | | | Loudoun, Virginia and Forsyth, Georgia rounded out the |
| Among the 20 U.S. counties with the largest numeric | | | | top five fastest growing counties in the U.S. |
| gains from the period of 2000 to 2006, 19 were in the | | | | The top 10 fastest growing U.S. counties between |
| South or West. Of the top 10 numeric gainers in | | | | 2000 and 2006 and their population growth are: |
| population, three were in Texas, three in California, one | | | | 1. Flagler, Florida, with 66.7 % population increase |
| in Georgia and one in Illinois. | | | | 2. Kendall, Illinois, with 61.7 % population increase |
| Here is a comprehensive list of the top 10 U.S. counties | | | | 3. Rockwall, Texas, with 60.5 % population increase |
| with the highest numerical growth from 2000 and | | | | 4. Loudoun, Virginia, with 58.5 % population increase |
| 2006: | | | | 5. Forsyth, Georgia, with 53.4 % population increase |
| 1. Maricopa, Arizona, with a population growth of | | | | 6. Pinal, Arizona, with 51.0 % population increase |
| 695,784 | | | | 7. Douglas, Colorado, with 50.0 % population increase |
| 2. Harris, Texas, with a population growth of 485,653 | | | | 8. Henry, Georgia, with 49.2 % population increase |
| 3. Riverside, California, with a population growth of | | | | 9. Paulding, Georgia, with 48.9 % population increase |
| 481,416 | | | | 10. Lyon, Nevada, with 48.5 % population increase |
| 4. Los Angeles, California, with a population growth of | | | | Among the 20 fastest-growing U.S. counties from the |
| 428,751 | | | | period of 2000 to 2006, the lead was with the South |
| 5. Clark, Nevada, with a population growth of 401,801 | | | | with 13 counties, followed by four in the West and |
| 6. San Bernardino, California, with a population growth | | | | three in the Midwest. |