This article is based on the corresponding article in another wiki. For Familypedia purposes, it requires significantly more historical detail on phases of this location's development. The ideal article for a place will give the reader a feel for what it was like to live at that location at the time their relatives were alive there. Also desirable are links to organizations that may be repositories of genealogical information..
Please help to improve this page yourself if you can.

Lewis and Clark County, Montana
Lewis and Clark County mt seal
Map of Montana highlighting Lewis and Clark County
Location in the state of Montana
Map of USA MT
Montana's location in the U.S.
Founded 1865
Named for Meriwether Lewis and William Clark
Seat Helena
Largest city Helena
 - Total
 - Land
 - Water

3,498 sq mi (9,060 km²)
3,459 sq mi (8,959 km²)
39 sq mi (101 km²), 1.1%
 - (2010)
 - Density

18/sq mi (7/km²)
Congressional district At-large
Time zone Mountain: UTC-7/-6

Lewis and Clark County is a county located in the U.S. state of Montana. As of the 2010 census, the population was 63,395.[1] Its county seat is Helena,[2] the state capital. The numerical designation for Lewis and Clark County (used in the issuance of the state's license plates) is 5. The county was established in 1865 as Edgerton County, and was renamed "Lewis and Clark County" two years later.[3]

Lewis and Clark County is part of the Helena, MT Micropolitan Statistical Area.


According to the U.S. Census Bureau, the county has a total area of 3,948 square miles (10,230 km2), of which 3,459 square miles (8,960 km2) is land and 39 square miles (100 km2) (1.1%) is water.[4]

Major highwaysEdit

Adjacent CountiesEdit

National protected areasEdit

Sleeping Giant 2010

The iconic "Sleeping Giant" formation north of Helena, MT


Historical populations
Census Pop.
1870 5,040
1880 6,521 29.4%
1890 19,145 193.6%
1900 19,171 0.1%
1910 21,853 14.0%
1920 18,660 −14.6%
1930 18,224 −2.3%
1940 22,131 21.4%
1950 24,540 10.9%
1960 28,006 14.1%
1970 33,281 18.8%
1980 43,039 29.3%
1990 47,495 10.4%
2000 55,716 17.3%
2010 63,395 13.8%
Est. 2013 65,338 17.3%
U.S. Decennial Census[5]
1790-1960[6] 1900-1990[7]
1990-2000[8] 2010-2013[1]

As of the [9] of 2000, there were 55,716 people, 22,850 households, and 14,966 families residing in the county. The population density was 16 people per square mile (6/km²). There were 25,672 housing units at an average density of 7 per square mile (3/km²). The racial makeup of the county was 95.21% white, 0.20% Black or African American, 2.04% Native American, 0.52% Asian American, 0.05% Pacific Islander American, 0.38% from other races, and 1.61% from two or more races. 1.51% of the population were Hispanic or Latino of any race. 22.6% were of German, 15.5% Irish, 10.9% English, 9.5% Norwegian and 6.1% American ancestry according to the 2000 Census.

There were 22,850 households out of which 32.20% had children under the age of 18 living with them, 52.40% were married couples living together, 9.20% had a female householder with no husband present, and 34.50% were non-families. 29.10% of all households were made up of individuals and 8.90% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.95.

In the county the population was spread out with 25.60% under the age of 18, 8.50% from 18 to 24, 27.90% from 25 to 44, 26.20% from 45 to 64, and 11.70% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 96.50 males. For every 100 females age 18 and over, there were 94.00 males.

The median income for a household in the county was $37,360, and the median income for a family was $46,766. Males had a median income of $33,515 versus $23,961 for females. The per capita income for the county was $18,763. About 7.30% of families and 10.90% of the population were below the poverty line, including 12.60% of those under age 18 and 6.50% of those age 65 or over.

In the county of the population that's 25 years old and over 91.4% of them have a High school diploma, 31.6% of that population has a Bachelor's degree or higher, 17.2% of the population is disabled, 1.6% of them are foreign born, and only 4.0% of the population can speak another language at home. According to the 2000 Census 59.7% of the population (male) is married but, now separated. For the women it is only 3% lower at 56.7%. The average family size is 2.95. In the county there are 25,672 homes, 2,822 of which are vacant.




Census-designated placesEdit

Unincorporated CommunitiesEdit

Ghost townsEdit

Notable residentsEdit

  • Seth Bullock, sheriff of Lewis and Clark County, and later served as sheriff of Deadwood, South Dakota.
  • Mike McGrath, current Chief Justice of the Montana Supreme Court, former Montana Attorney General, previously served as County Attorney of Lewis and Clark County.
  • Johnny Miljus, major league baseball pitcher, retired to Fort Harrison in Lewis and Clark County.
  • W. A. Boyle, president of the United Mine Workers of America, was born in Bald Butte, about two miles southwest of Marysville.
  • Brian Knight, Major League Baseball umpire
  • All of the Governors of the state of Montana, whose capital city, Helena, is in this county.

See alsoEdit

References Edit

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved September 15, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "Montana Place Names Companion". Montana Place Names From Alzada to Zortman. Montana Historical Society Research Center. Retrieved December 1, 2014. 
  4. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved November 28, 2014. 
  5. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved November 28, 2014. 
  6. ^ "Historical Census Browser". University of Virginia Library. Retrieved November 28, 2014. 
  7. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved November 28, 2014. 
  8. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. Retrieved November 28, 2014. 
  9. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 

External linksEdit

Coordinates: 47°07′N 112°23′W / 47.11, -112.38

This page uses content from the English language Wikipedia. The original content was at Lewis and Clark County, Montana. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.