La Paz County, Arizona
La Paz County
|Founded||January 1, 1983|
|• Total||4,514 sq mi (11,690 km2)|
|• Land||4,500 sq mi (12,000 km2)|
|• Water||14 sq mi (40 km2) 0.3%|
| • Estimate |
|• Density||4.5/sq mi (1.8/km2)|
|Time zone||UTC−7 (Mountain)|
La Paz County is the 15th county in the U.S. state of Arizona, located in the western part of the state. As of the 2010 census, its population was 20,489, making it the second-least populous county in Arizona. The county seat is Parker. The name of the county is the Spanish word for "the peace", and is taken from the early settlement (now ghost town) of La Paz along the Colorado River.
La Paz County was established in 1983 after voters approved separating the northern portion of Yuma County, making it the only county to be established after Arizona became a state in 1912, and currently the second youngest county in the United States (behind the consolidated city-county of Broomfield, Colorado, which was established in 2001). The county did not have a large enough tax base to begin supporting a separate county government immediately and had to rely on state money at first. As a result, Arizona laws were changed to make splitting other existing counties much more difficult.
Under the revised Arizona laws, a county shall not be formed or divided by county initiative unless each proposed county would have all of the following characteristics: (1) at least three-fourths of one percent of the total state assessed valuation and at least the statewide per capita assessed valuation; (2) a population of at least three-fourths of one percent of the total state population according to the most recent United States decennial census; (3) at least one hundred square miles of privately owned land; (4) common boundaries with either (a) at least three other existing or proposed counties; or (b) at least two other existing or proposed counties and the state boundary. A county formation commission is required to be formed to evaluate the feasibility of the proposed county. A proposal to divide a county must be approved by a majority of the votes cast in each proposed new county.
The area that now makes up La Paz County was formerly part of Yuma County.
Flora and fauna
- Mohave County – north
- Yavapai County – northeast
- Maricopa County – east
- Yuma County – south
- Imperial County, California – southwest
- Riverside County, California – west
- San Bernardino County, California – northwest
National protected areas
- Bill Williams River National Wildlife Refuge (part)
- Cibola National Wildlife Refuge (part)
- Imperial National Wildlife Refuge (part)
- Kofa National Wildlife Refuge (part)
|U.S. Decennial Census|
As of the 2000 census, there were 19,715 people, 8,362 households, and 5,619 families living in the county. The population density was 4.4 people per square mile (1.7/km2). There were 15,133 housing units at an average density of 3.4/sq mi (1.3/km2). The racial makeup of the county was 74.2% white, 0.8% black or African American, 12.5% Native American, 0.4% Asian, 0.1% Pacific Islander, 9.4% from other races, and 2.7% from two or more races. 22.4% of the population were Hispanic or Latino of any race. 18.9% reported speaking Spanish at home.
There were 8,362 households, with 21.2% having children under the age of 18, 54.2% were married couples living together, 8.2% had a female householder with no husband present, and 32.8% were non-families. 26.6% of households were made up of individuals, and 12.9% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.79.
The county population had 21.1% under the age of 18, 6.1% from 18 to 24, 20.4% from 25 to 44, 26.6% from 45 to 64, and 25.8% who were 65 years of age or older. The median age was 47 years. For every 100 females there were 105.50 males. For every 100 females age 18 and over, there were 105.10 males.
The median income for a household in the county was $25,839, and the median income for a family was $29,141. Males had a median income of $26,642 versus $20,965 for females. The per capita income for the county was $14,916. About 13.6% of families and 19.60% of the population were below the poverty line, including 28.5% of those under age 18 and 12.9% of those age 65 or over.
As of the 2010 census, there were 20,489 people, 9,198 households, and 5,584 families living in the county. The population density was 4.5//sq mi (1.8/km2). There were 16,049 housing units at an average density of 3.56/sq mi (1.37/km2). The racial makeup of the county was 69.8% white, 12.8% American Indian, 0.6% black or African American, 0.5% Asian, 12.5% from other races, and 3.7% from two or more races. Those of Hispanic or Latino origin made up 23.5% of the population. In terms of ancestry, 22.4% were German, 15.9% were Irish, 15.3% were English, and 2.1% were American.
Of the 9,198 households, 19.3% had children under the age of 18 living with them, 47.2% were married couples living together, 9.4% had a female householder with no husband present, 39.3% were non-families, and 32.1% of all households were made up of individuals. The average household size was 2.19 and the average family size was 2.72. The median age was 53.9 years.
The median income for a household in the county was $32,147 and the median income for a family was $37,721. Males had a median income of $35,464 versus $27,484 for females. The per capita income for the county was $21,165. About 14.3% of families and 20.3% of the population were below the poverty line, including 36.4% of those under age 18 and 6.5% of those age 65 or over.
Avi Suquilla Airport (FAA LID: P20) is a public use airport located one nautical mile (1.9 km) east of the central business district of Parker, Arizona. It is owned by the Colorado River Indian Tribes.
The county is served by the Arizona and California Railroad for freight through Parker, Arizona.
County population ranking
† county seat
|Rank||City/Town/etc.||Population (2010 Census)||Municipal type||Incorporated|
|9||La Paz Valley||699||CDP|
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