| 词条 | Jefferson County, Iowa | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 |
| county = Jefferson County | state = Iowa | ex image = Jefferson County, Iowa Courthouse.jpg | ex image size = 220px | ex image cap = Courthouse in Fairfield is on the NRHP | seal = | founded = January 21, 1839 | seat wl = Fairfield | largest city wl = Fairfield | area_total_sq_mi = 437 | area_land_sq_mi = 436 | area_water_sq_mi = 1.4 | area percentage = 0.3% | census yr = 2010 | pop = 16843 | density_sq_mi = 39 | time zone = Central | website = County website | district = 2nd | named for = Thomas Jefferson }}Jefferson County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 16,843.[1] The county seat is Fairfield.[2] The county was formed in January 1839, and was named after President Thomas Jefferson.[3][4] Jefferson County comprises the Fairfield, IA Micropolitan Statistical Area. GeographyAccording to the U.S. Census Bureau, the county has a total area of {{convert|437|sqmi}}, of which {{convert|436|sqmi}} is land and {{convert|1.4|sqmi}} (0.3%) is water.[5] Major highways
Adjacent counties
Demographics{{US Census population|1850= 9904 |1860= 15038 |1870= 17839 |1880= 17469 |1890= 15184 |1900= 17437 |1910= 15951 |1920= 16440 |1930= 16241 |1940= 15762 |1950= 15696 |1960= 15818 |1970= 15774 |1980= 16316 |1990= 16310 |2000= 16181 |2010= 16843 |estyear=2016 |estimate=18090 |estref=[6] |align-fn=center |footnote=U.S. Decennial Census[7] 1790-1960[8] 1900-1990[9] 1990-2000[10] 2010-2013[1] }} 2010 censusThe 2010 census recorded a population of 16,843 in the county, with a population density of {{Pop density|16843|435.34|sqmi|km2}}. There were 7,594 housing units, of which 6,846 were occupied.[11] 2000 censusAs of the census[12] of 2000, there were 16,181 people, 6,649 households, and 4,281 families residing in the county. The population density was 37 people per square mile (14/km²). There were 7,241 housing units at an average density of 17 per square mile (6/km²). The racial makeup of the county was 96.02% White, 0.64% Black or African American, 0.17% Native American, 1.70% Asian, 0.04% Pacific Islander, 0.53% from other races, and 0.91% from two or more races. 1.84% of the population were Hispanic or Latino of any race. There were 6,649 households out of which 31.10% had children under the age of 18 living with them, 53.10% were married couples living together, 8.00% had a female householder with no husband present, and 35.60% were non-families. 30.40% of all households were made up of individuals and 10.70% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.93. In the county, the population was spread out with 24.40% under the age of 18, 7.60% from 18 to 24, 24.40% from 25 to 44, 29.80% from 45 to 64, and 13.80% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 95.90 males. For every 100 females age 18 and over, there were 93.60 males. The median income for a household in the county was $33,851, and the median income for a family was $43,819. Males had a median income of $32,066 versus $22,479 for females. The per capita income for the county was $19,579. About 7.40% of families and 10.90% of the population were below the poverty line, including 12.40% of those under age 18 and 9.00% of those age 65 or over. {{clear left}}Law and governmentJefferson County's executive branch is a three-member board of supervisors who are elected to four-year terms. The current board members, their party affiliations and the years in which they were last elected are: Steve Burgmeier (Chair) (Republican, 2008), Lee Dimmitt (Republican, 2008), and Richard Reed (Republican, 2010). Other elected officials are Scott Reneker, county auditor; Gregg Morton, county sheriff; Terri Kness, county treasurer; and Kelly Spees, county recorder.[15] PoliticsHistorically, Jefferson County heavily favored presidential candidates from the Republican Party. It is noted for being one of the few counties in Iowa that never voted for Franklin D. Roosevelt in any of his four presidential campaigns, along with having never given a Democrat who carried the county over 60% of the vote. In recent decades, politics within the county have become more competitive. From 1992-2012, the county has been carried by the Democratic presidential candidate in every election with the exception of 2000, when George W. Bush obtained a plurality. The last Republican to win the county with a majority of the vote was Ronald Reagan in 1984. In the 1996 presidential election, Jefferson County was the only county in the United States to give any (winning) candidate less than 40% of the vote, with Bill Clinton winning the county 35.1% to Bob Dole's 34.4%. In 2016, Donald Trump received a plurality of the votes in Jefferson County. {{Hidden begin|titlestyle = background:#ccccff; |title = Presidential Elections Results }}
CommunitiesCities{{div col}}
Unincorporated communitiesTownships{{div col}}
Population rankingThe population ranking of the following table is based on the 2010 census of Jefferson County.[18] † county seat
See also{{Portal|Iowa}}
References1. ^1 {{cite web|title=State & County QuickFacts|url=http://quickfacts.census.gov/qfd/states/19/19101.html|publisher=United States Census Bureau|accessdate=July 18, 2014|deadurl=yes|archiveurl=https://www.webcitation.org/607I7qiRv?url=http://quickfacts.census.gov/qfd/states/19/19101.html|archivedate=July 12, 2011}} 2. ^{{cite web|url=http://www.naco.org/Counties/Pages/FindACounty.aspx|accessdate=June 7, 2011|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=May 31, 2011}} 3. ^{{cite book|url=https://books.google.com/books?id=9V1IAAAAMAAJ&pg=PA168#v=onepage&q&f=false|title=The Origin of Certain Place Names in the United States|publisher=Govt. Print. Off.|author=Gannett, Henry|year=1905|pages=168}} 4. ^Jefferson County {{webarchive|url=https://web.archive.org/web/20071010133512/http://www.iowacounties.org/About%20Us/AboutCoGov/County%20Pages/Jefferson.htm|date=October 10, 2007}} 5. ^{{cite web|url=https://www.census.gov/geo/www/gazetteer/gazette.html|publisher=United States Census Bureau|accessdate=April 23, 2011|date=February 12, 2011|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 18, 2014|deadurl=yes|archiveurl=https://www.webcitation.org/6YSasqtfX?url=http://www.census.gov/prod/www/decennial.html|archivedate=May 12, 2015}} 8. ^{{cite web|url=http://mapserver.lib.virginia.edu|title=Historical Census Browser|publisher=University of Virginia Library|accessdate=July 18, 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 18, 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 18, 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 & Housing Occupancy Status 2010|publisher=United States Census Bureau – American FactFinder|accessdate=May 19, 2011}} 12. ^{{cite web|url=http://factfinder2.census.gov|publisher=United States Census Bureau|accessdate=January 31, 2008|title=American FactFinder}} 13. ^Jefferson County Assessor Office – Fairfield Business Park 14. ^Fairfield Business Park {{Coord|41.0639|-91.9716|format=dms|scale:2000|name=Fairfield Business Park}} 15. ^{{cite web|url=http://www.jeffersoncountyiowa.com/|title=Jefferson County Home Page|accessdate=January 4, 2012}} 16. ^{{Cite web|url=http://uselectionatlas.org/RESULTS|title=Dave Leip's Atlas of U.S. Presidential Elections|last=Leip|first=David|website=uselectionatlas.org|access-date=April 26, 2018}} 17. ^The leading "other" candidate, Natural Law candidate John Hagelin, received 1,899 votes, while Independent Ross Perot received 1,241 votes, Independent candidate Ehlers 35 votes, and 63 votes for the others. 18. ^{{cite web|url=https://www.census.gov/2010census/|title=Archived copy|accessdate=February 13, 2016|deadurl=yes|archiveurl=https://www.webcitation.org/6M1KRmETR?url=http://www.census.gov/2010census/|archivedate=December 21, 2013}} External links{{Commons}}
|Centre = Jefferson County, Iowa |North = |Northeast = Washington County |East = Henry County |Southeast = |South = Van Buren County |Southwest = |West = Wapello County |Northwest = Keokuk County }}{{Jefferson County, Iowa}}{{Iowa}}{{Use mdy dates|date=December 2018}}{{coord|41|01|53|N|91|56|41|W|region:US-IA_type:adm2nd_source:dewiki|display=title}} 4 : Jefferson County, Iowa|1839 establishments in Iowa Territory|Populated places established in 1839|Micropolitan areas of Iowa |
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