The 2000 Census showed that Lewis and Clark County had a population of 55,716 people. This represented 6.18% of the total population of Montana, making it the state's 6th most populous county (out of 56 counties).
From the Census Estimates for 2009<1>, Lewis and Clark had a population of 61,942 people. This is an increase of 11.17% since the 2000 Census.
The following table shows the recent changes in population. Other than 2000, the population counts have been estimated by the Census Bureau.
Year | Population | Change Since 2000 | Year-to-Year Change |
2010 | 63,395 | +13.78% | +2.35% since 2009 |
2009 | 61,942 | +11.17% | +1.29% since 2008 |
2008 | 61,156 | +9.76% | +1.7% since 2007 |
2007 | 60,131 | +7.92% | +1.83% since 2006 |
2006 | 59,050 | +5.98% | +1.59% since 2005 |
2005 | 58,126 | +4.33% | +0.68% since 2004 |
2004 | 57,731 | +3.62% | +1.48% since 2003 |
2003 | 56,889 | +2.11% | +1.33% since 2002 |
2002 | 56,141 | +0.76% | -0.1% since 2001 |
2001 | 56,195 | +0.86% | +0.86% since 2000 |
--- | | | 2000 | 55,716 | The Last Census |
Lewis and Clark County had 25,672 Housing Units<2> at the time of the 2000 Census.
The 2000 Census shows that Lewis and Clark County has a total area<3> of 3,497 square miles [9,058 km²]. Of this total, 3,460 square miles [8,963 km²] of the area is land, with the balance (1.05%) being water (36.6 square miles [94.8 km²]).
Using the above population and land area values, Lewis and Clark County had a population density of 16.1 people per square mile [6.22 people/km²], making it the state's 7th most densely populated county (out of 56 counties).
US Census QuickFacts
The Census Bureau has created documents containing demographic information that are called QuickFacts. A QuickFact that is specific to Lewis and Clark County is available. The QuickFact also contains a comparison between Lewis and Clark and the state of Montana. Click here for the Lewis and Clark County QuickFact (QF-30049).
Below are the counties that adjoin and form the boundaries of Lewis and Clark County. A link to their specific Census QuickFact has been provided.
County | Census QuickFact | Direction | Population (2009 Est.) | Population (2000 Census) | Change in Population |
Broadwater | QF-30007 | SE | 4,793 | 4,385 | 9.3% |
Cascade | QF-30013 | NE | 82,178 | 80,357 | 2.27% |
Flathead | QF-30029 | NW | 89,624 | 74,471 | 20.35% |
Jefferson | QF-30043 | S | 11,470 | 10,049 | 14.14% |
Meagher | QF-30059 | E | 1,908 | 1,932 | -1.24% |
Powell | QF-30077 | SW | 7,089 | 7,180 | -1.27% |
Teton | QF-30099 | N | 6,088 | 6,445 | -5.54% |
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