“Black Hawk County, Iowa”的意思、由来-开放百科全书

Black Hawk County is part of the Waterloo-Cedar Falls, IA Metropolitan Statistical Area.^[3]

History

Black Hawk County was formed on February 17, 1853 from sections of Buchanan County. It was named after Black Hawk, a Sauk leader during the 1832 Black Hawk War.^[4]

Geography

According to the U.S. Census Bureau, the county has an area of {{convert|573|sqmi}}, of which {{convert|566|sqmi}} is land and {{convert|6.9|sqmi}} (1.2%) is water.^[5]

The Cedar River roughly divides the county in half from the northwest to the southeast corner. The land is mostly level since much of it is on the river's flood plain.

Major highways

Adjacent counties

Demographics

2010 census

The 2010 census recorded a population of 131,090 in the county, with a population density of {{Pop density|131090|567|sqmi|km2}}. There were 55,887 housing units, of which 52,470 were occupied.^[11]

2000 census

As of the census^[12] of 2000, there were 128,012 people, 49,683 households, and 31,946 families residing in the county. The population density was 226 people per square mile (87/km²). There were 51,759 housing units at an average density of 91 per square mile (35/km²). The racial makeup of the county was 88.42% White, 7.95% Black or African American, 0.18% Native American, 0.98% Asian, 0.04% Pacific Islander, 0.93% from other races, and 1.49% from two or more races. 1.84% of the population were Hispanic or Latino of any race.

There were 49,683 households out of which 29.50% had children under the age of 18 living with them, 50.20% were married couples living together, 10.80% had a female householder with no husband present, and 35.70% were non-families. 27.10% of all households were made up of individuals and 10.90% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.97.

Age spread: 23.10% under the age of 18, 15.70% from 18 to 24, 25.20% from 25 to 44, 22.00% from 45 to 64, and 14.00% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 92.30 males. For every 100 females age 18 and over, there were 88.80 males.

The median income for a household in the county was $37,266, and the median income for a family was $47,398. Males had a median income of $33,138 versus $23,394 for females. The per capita income for the county was $18,885. About 7.90% of families and 13.10% of the population were below the poverty line, including 14.40% of those under age 18 and 8.90% of those age 65 or over.

Communities

Cities

Census-designated place

Other unincorporated communities

Townships

Population ranking

The population ranking of the following table is based on the 2010 census of Black Hawk County.^[13]

Politics

See also

References

1. ^¹{{cite web|title=State & County QuickFacts|url=http://quickfacts.census.gov/qfd/states/19/19013.html|publisher=United States Census Bureau|accessdate=July 13, 2014}}
2. ^{{cite web|url=http://www.naco.org/Counties/Pages/FindACounty.aspx |accessdate=2011-06-07 |title=Find a County |publisher=National Association of Counties |deadurl=yes |archiveurl=https://web.archive.org/web/20110531210815/http://www.naco.org/Counties/Pages/FindACounty.aspx |archivedate=2011-05-31 |df= }}
3. ^{{cite web|url=http://www.whitehouse.gov/omb/bulletins/fy2006/b06-01.pdf|title=Update of Statistical Area Definitions and Guidance on Their Uses|accessdate=2006-07-21|author=United States Office of Management and Budget|pages=5, 36.|format=PDF |archiveurl = https://web.archive.org/web/20060514003222/http://www.whitehouse.gov/omb/bulletins/fy2006/b06-01.pdf |archivedate = 2006-05-14}}
4. ^Black Hawk County Online {{webarchive |url=https://web.archive.org/web/20071013204926/http://www.co.black-hawk.ia.us/about.html |date=October 13, 2007 }}
5. ^{{cite web|url=https://www.census.gov/geo/www/gazetteer/gazette.html|publisher=United States Census Bureau|accessdate=2011-04-23|date=2011-02-12|title=US Gazetteer files: 2010, 2000, and 1990}}
6. ^{{cite web|url=https://www.census.gov/programs-surveys/popest/data/tables.2016.html|title=Population and Housing Unit Estimates|accessdate=June 9, 2017}}
7. ^{{cite web|url=https://www.census.gov/prod/www/decennial.html|title=U.S. Decennial Census|publisher=United States Census Bureau|accessdate=July 13, 2014|deadurl=yes|archiveurl=https://www.webcitation.org/6YSasqtfX?url=http://www.census.gov/prod/www/decennial.html|archivedate=May 12, 2015|df=}}
8. ^{{cite web|url=http://mapserver.lib.virginia.edu|title=Historical Census Browser|publisher=University of Virginia Library|accessdate=July 13, 2014}}
9. ^{{cite web|url=https://www.census.gov/population/cencounts/ia190090.txt|title=Population of Counties by Decennial Census: 1900 to 1990|publisher=United States Census Bureau|accessdate=July 13, 2014}}
10. ^{{cite web|url=https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf|title=Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000|publisher=United States Census Bureau|accessdate=July 13, 2014}}
11. ^{{cite web|url=http://factfinder2.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=DEC_10_PL_GCTPL2.ST05&prodType=table|title=Population and Housing Occupancy Status: 2010 - State -- County |publisher=United States Census Bureau American FactFinder|accessdate=March 6, 2011}}
12. ^{{cite web |url=http://factfinder2.census.gov |publisher=United States Census Bureau |accessdate=2008-01-31 |title=American FactFinder |deadurl=yes |archiveurl=https://web.archive.org/web/20130911234518/http://factfinder2.census.gov/ |archivedate=2013-09-11 |df= }}
13. ^{{cite web |url=https://www.census.gov/2010census/ |title=Archived copy |accessdate=2016-02-13 |deadurl=yes |archiveurl=https://www.webcitation.org/6M1KRmETR?url=http://www.census.gov/2010census/ |archivedate=2013-12-21 |df= }}
14. ^{{cite web|url=http://uselectionatlas.org/RESULTS|title=Dave Leip's Atlas of U.S. Presidential Elections|first=David|last=Leip|date=|website=uselectionatlas.org|accessdate=10 April 2018}}