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Caldwell, Idaho
—  City  —
Nickname(s): The Treasure of the Valley
Motto: More to Offer
Location in Canyon County and the state of Idaho
Coordinates: 43°39′30″N 116°40′49″W / 43.65833°N 116.68028°W / 43.65833; -116.68028Coordinates: 43°39′30″N 116°40′49″W / 43.65833°N 116.68028°W / 43.65833; -116.68028
Country United States
State Idaho
County Canyon
 - Mayor Garret Nancolas
 - City 11.4 sq mi (29.4 km2)
 - Land 11.3 sq mi (29.4 km2)
 - Water 0.1 sq mi (0.0 km2)
Elevation 2,375 ft (724 m)
Population (2008)
 - City 42,331
 Density 2,289.3/sq mi (883.9/km2)
 Metro 624,000
Time zone Mountain (UTC-7)
 - Summer (DST) Mountain (UTC-6)
ZIP codes 83605-83607
Area code(s) 208
FIPS code 16-12250
GNIS feature ID 0397514

Caldwell is a city in and the county seat of Canyon County, Idaho, United States.[1] The U.S. Census Bureau estimated the population to be 42,331, as of July 1, 2008.[2]

Caldwell is the home of the College of Idaho. It is considered part of the Boise metropolitan area.



Caldwell is located at 43°39′30″N 116°40′49″W / 43.65833°N 116.68028°W / 43.65833; -116.68028 (43.658239, -116.680390)[3].

According to the United States Census Bureau, the city has a total area of 11.4 sq mi (30 km2), of which 11.3 sq mi (29 km2) is land and 0.09% is water.


As of the census[4] of 2000, there were 25,967 people, 8,963 households, and 6,354 families residing in the city. The population density was 2,289.3/sq mi. There were 9,603 housing units at an average density of 846.6/sq mi. The racial makeup of the city was
75.07% White
28.14% Hispanic or Latino
0.47% African American
0.94% Native American
0.83% Asian
0.10% Pacific Islander
2.91% two or more races
1.24% Bair

Historical populations
Census Pop.  %±
1890 779
1900 997 28.0%
1910 3,543 255.4%
1920 5,106 44.1%
1930 4,974 −2.6%
1940 7,272 46.2%
1950 10,487 44.2%
1960 12,230 16.6%
1970 14,219 16.3%
1980 17,669 24.3%
1990 18,400 4.1%
2000 25,967 41.1%
Est. 2007 39,889 53.6%

There were 8,963 households, out of which 39.5% had children under the age of 18, 51.7% were married couples, 13.9% had a female householder with no husband present, and 29.1% were non-families. In addition, 23.3% of all households were made up of a single individual and 10.2% had someone living alone who was 65 years of age or older. The average household size was 2.79, and the average family size was 3.30.

In the city the population was spread out with 30.9% under the age of 18, 13.1% from 18 to 24, 27.3% from 25 to 44, 17.6% from 45 to 64, and 11% who were 65 years of age or older. The median age was 29 years. For every 100 females there were 95.6 males. For every 100 females age 18 and over, there were 92.6 males.

The median income for a household in the city was $30,848, and the median income for a family was $35,158. Males had a median income of $27,017 versus $21,096 for females. The per capita income for the city was $13,657. About 12.6% of families and 16.0% of the population were below the poverty line, including 20.8% of those under age 18 and 15.5% of those age 65 or over.


In the 1870s and 1880s, Caldwell was home to hundreds of Chinese immigrants, but the town was central in Idaho's aggressive anti-Chinese backlash that culminated in an 1886 convention of the Anti-Chinese League in Boise. By 1890, however, every last immigrant had been driven from town by social pressures and outright violence. [1]

In March 1908, at the end of a series of trials relating to a Coeur d'Alene miners' uprising and the Colorado Labor Wars, Albert Horsley, better known by his pseudonym Harry Orchard, pleaded guilty in District Court in Caldwell to the assassination of former Idaho governor Frank Steunenberg. Judge Fremont Wood sentenced Orchard to hang, but his sentence was commuted, and he lived out the rest of his life in an Idaho prison. This result flowed from Orchard's having turned state's evidence and having become the prosecution's star witness against Big Bill Haywood and two other leaders of the Western Federation of Miners whom the prosecution alleged had masterminded Steunenberg's assassination. Heywood and his colleagues, however, represented by Clarence Darrow, were acquitted.


Some 30 years ago, the City of Caldwell Idaho had a waterway initially used for sewage from local industries. After consistent complaints, the tax payers had covered up Indian Creek which once ran gently through Caldwell. Currently, the City of Caldwell has developed a plan to restore Indian Creek and help bring life to its struggling downtown scene. Since the enactment of the Clean Water Act, many cities as well as Caldwell's water quality has been improved making it possible to resurrect this once regarded 'eye sore.' This current project won't be completed until 2010, but has already received National attention for its efforts. An additional 660 ft (200 m) still needs to be added to the creeks current stretch of 1,550 ft (470 m) of beautiful river. Other attractions include suspended bridges above Indian Creek, which is now available for fishing. Caldwell currently holds an annual Indian Creek Festival that was first held on September 25, 2003. You can follow the progression of the redevelopment process by going to the city's website at

Indian Creek

Notable natives


  1. ^ "Find a County". National Association of Counties. Retrieved 2008-01-31. 
  2. ^ Annual Estimates of the Population for Incorporated Places in Idaho, retrieved on October 31, 2008.
  3. ^ "US Gazetteer files: 2000 and 1990". United States Census Bureau. 2005-05-03. Retrieved 2008-01-31. 
  4. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 
  5. ^ Moffatt, Riley. Population History of Western U.S. Cities & Towns, 1850-1990. Lanham: Scarecrow, 1996, 91.
  6. ^ "Subcounty population estimates: Idaho 2000-2007" (CSV). United States Census Bureau, Population Division. 2009-03-18. Retrieved 2009-04-28. 

External links

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