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Business Directory Jefferson Local Development Corporation |
Economic Statistics
JEFFERSON COUNTY, MONTANA HIGHLIGHTS
Located in southwestern Montana, Jefferson County is Montana's 19th most populous with 10,049 residents, according to the 2000 Census. 2003 estimated resident population is 10,499.
Boulder, the county seat, is the state's 47th largest city with a 2003 estimated population of 1,363. According to the Montana Almanac, by authors Andrea Merrill and Judy Jacobson, it was one of the original nine counties of the Montana Territory and holds the Jefferson River, named by explorers Lewis and Clark for President Thomas Jefferson. The county was established in 1865.
Jefferson County's slogan is "Undiscovered In-Between" because of its location between Bozeman, Butte and Helena. The area is rich in mineral reserves.
According to the U.S. Bureau of the Census, estimated median income for Jefferson County households in 1999 was $41,506. The county is 1,658.9 square miles in area: 1,656.7 square miles in land area and 2.2 in inland water area.
County residents experience the four distinct seasons. According to the Great Falls Weather Service, the average daily low in Boulder in January between 7/1/1948 and 3/31/2004 was 9.1 degrees above zero. The average daily high in July was 82.4 degrees above. The annual precipitation during the same period was 11.31 inches and the growing season was from May 8 to Sept. 30.
Source: Research & Analysis Bureau
JEFFERSON COUNTY
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| 1970 | 1980 | 1990 | 2000 | |
| Basin | -- | -- | -- | 255 |
| Boulder | 1,342 | 1,441 | 1,316 | 1,300 |
| Clancy | -- | -- | -- | 1,406 |
| Jefferson City | -- | -- | -- | 295 |
| Montana City | -- | -- | -- | 2,094 |
| Whitehall | 1,035 | 1,030 | 1,067 | 1,044 |
| County | 5,238 | 7,029 | 7,939 | 10,049 |
| State | 694,409 | 786,690 | 799,065 | 902,195 |
- Source: Montana Dept. of Commerce - Census and Economic Information Center; U.S. Census Bureau; Research & Analysis Bureau