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Johnson County, Indiana

Coordinates: 39°29′N 86°06′W / 39.49°N 86.10°W / 39.49; -86.10
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Johnson County
County
Johnson County courthouse in Franklin, Indiana
Johnson County courthouse in Franklin, Indiana
Map of Indiana highlighting Johnson County
Location within the U.S. state of Indiana
Map of the United States highlighting Indiana
Indiana's location within the U.S.
Coordinates: 39°29′N 86°06′W / 39.49°N 86.1°W / 39.49; -86.1
Country United States
State Indiana
Founded1823
SeatFranklin
Largest cityGreenwood
Area
 • Total
321.79 sq mi (833.4 km2)
 • Land320.43 sq mi (829.9 km2)
 • Water1.36 sq mi (3.5 km2)  0.42%
Population
 (2020)
 • Total
161,765
 • Estimate 
(2023)
167,819 Increase
 • Density500/sq mi (190/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district6th
Websitewww.co.johnson.in.us
Indiana county number 41

Johnson County is a county located in the U.S. state of Indiana. As of 2020, the population was 161,765.[1] The county seat is Franklin.[2] Johnson County is included in the Indianapolis-Carmel-Anderson, IN Metropolitan Statistical Area.

Transportation

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Transit

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Major highways

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Airport

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Geography

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According to the 2010 census, the county has a total area of 321.79 square miles (833.4 km2), of which 320.43 square miles (829.9 km2) (or 99.58%) is land and 1.36 square miles (3.5 km2) (or 0.42%) is water.[3]

Adjacent counties

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History

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Johnson County was formed in 1823. It was named for John Johnson, a Justice of the Indiana Supreme Court.[4] This is probably John Johnson of Knox County, delegate to the State constitutional convention, appointed to the Supreme Court in 1816.

Cities and towns

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Extinct

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  • Farwest

Townships

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The south end of the county is also home to the Camp Atterbury military installation.

Climate and weather

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Franklin, Indiana
Climate chart (explanation)
J
F
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4.3
 
 
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4.8
 
 
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54
 
 
5
 
 
82
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4.4
 
 
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3.2
 
 
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3.1
 
 
78
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3.2
 
 
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3.5
 
 
52
35
 
 
2.9
 
 
40
26
█ Average max. and min. temperatures in °F
█ Precipitation totals in inches
Source: The Weather Channel[6]
Metric conversion
J
F
M
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79
 
 
2
−6
 
 
62
 
 
5
−4
 
 
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18
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23
12
 
 
126
 
 
28
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30
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81
 
 
29
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80
 
 
26
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82
 
 
19
8
 
 
88
 
 
11
2
 
 
74
 
 
4
−3
█ Average max. and min. temperatures in °C
█ Precipitation totals in mm

In recent years, average temperatures in Franklin have ranged from a low of 21 °F (−6 °C) in January to a high of 86 °F (30 °C) in July, although a record low of −22 °F (−30 °C) was recorded in January 1985 and a record high of 104 °F (40 °C) was recorded in June 1988. Average monthly precipitation ranged from 2.05 inches (52 mm) in January to 4.78 inches (121 mm) in July.[6] The coldest temperature ever recorded in Indiana was in the town of New Whiteland, Indiana, on January 19, 1994, when the temperature reached −36 °F (−38 °C).[7]

Government

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See also: Government of Indiana

The county government is a constitutional body, and is granted specific powers by the Constitution of Indiana, and by the Indiana Code.

County Council: The county council is the legislative branch of the county government and controls all the spending and revenue collection in the county. Representatives are elected from county districts. The council members serve four-year terms. They are responsible for setting salaries, the annual budget, and special spending. The council also has limited authority to impose local taxes, in the form of an income and property tax that is subject to state level approval, excise taxes, and service taxes.[8][9]

Board of Commissioners: The executive body of the county is made of a board of commissioners. The commissioners are elected county-wide, in staggered terms, and each serves a four-year term. One of the commissioners, typically the most senior, serves as president. The commissioners are charged with executing the acts legislated by the council, collecting revenue, and managing the day-to-day functions of the county government.[8][9]

Courts: The county maintains a Circuit Court can handle all types of cases, unless a particular case type is specifically reserved to another court.[10] The county also maintains three Superior Courts that also handle all types of cases, and also handle the small claims and juvenile cases. The judges on each of the courts is elected to a term of four years and must be a member of the Indiana Bar Association.[9]

County Officials: The county has several other elected offices that are mandated by the Indiana Constitution. These include sheriff, coroner, assessor, auditor, recorder, surveyor, and circuit court clerk Each of these elected officers serves terms of four years and oversee different parts of the county government. Members elected to county government positions are required to declare party affiliations and to be residents of the county.[9]

Johnson County is part of Indiana's Indiana's 9th congressional district; Indiana Senate districts 36, 37, and 41;[11] and Indiana House of Representatives districts 47, 58, 65, and 93.[12]

United States presidential election results for Johnson County, Indiana[13]
Year Republican Democratic Third party(ies)
No.  % No.  % No.  %
2024 51,588 66.09% 24,880 31.87% 1,591 2.04%
2020 51,219 65.83% 24,736 31.79% 1,847 2.37%
2016 45,456 67.70% 17,318 25.79% 4,373 6.51%
2012 39,513 68.02% 17,260 29.71% 1,319 2.27%
2008 36,487 62.07% 21,553 36.66% 746 1.27%
2004 37,765 73.68% 13,109 25.58% 381 0.74%
2000 29,404 69.54% 11,952 28.27% 928 2.19%
1996 23,733 60.45% 11,278 28.73% 4,248 10.82%
1992 20,353 54.36% 8,712 23.27% 8,373 22.36%
1988 24,654 72.99% 9,001 26.65% 123 0.36%
1984 23,482 74.86% 7,715 24.60% 171 0.55%
1980 20,018 66.34% 8,445 27.99% 1,711 5.67%
1976 16,414 61.36% 10,075 37.66% 260 0.97%
1972 17,537 77.17% 5,067 22.30% 120 0.53%
1968 12,089 57.26% 5,946 28.17% 3,076 14.57%
1964 10,472 50.68% 10,099 48.87% 92 0.45%
1960 12,426 62.38% 7,400 37.15% 93 0.47%
1956 10,125 62.15% 6,125 37.60% 41 0.25%
1952 9,119 60.46% 5,909 39.18% 54 0.36%
1948 6,151 49.39% 6,216 49.91% 87 0.70%
1944 6,194 53.06% 5,426 46.48% 53 0.45%
1940 6,451 50.18% 6,350 49.39% 56 0.44%
1936 5,315 43.11% 6,934 56.24% 80 0.65%
1932 4,593 39.20% 6,940 59.23% 185 1.58%
1928 5,513 54.30% 4,548 44.80% 91 0.90%
1924 4,954 50.77% 4,699 48.16% 104 1.07%
1920 4,863 45.36% 5,452 50.85% 407 3.80%
1916 2,428 42.32% 3,108 54.17% 201 3.50%
1912 924 16.82% 2,890 52.59% 1,681 30.59%
1908 2,519 42.04% 3,268 54.54% 205 3.42%
1904 2,574 44.44% 2,882 49.76% 336 5.80%
1900 2,367 41.95% 3,088 54.72% 188 3.33%
1896 2,288 41.92% 3,083 56.49% 87 1.59%
1892 2,093 41.05% 2,606 51.11% 400 7.84%
1888 2,168 43.45% 2,594 51.98% 228 4.57%

Demographics

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Historical population
CensusPop.Note%±
18304,019—
18409,352132.7%
185012,10129.4%
186014,85422.8%
187018,36623.6%
188019,5376.4%
189019,5610.1%
190020,2233.4%
191020,3940.8%
192020,7391.7%
193021,7064.7%
194022,4933.6%
195026,18316.4%
196043,70466.9%
197061,13839.9%
198077,24026.3%
199088,10914.1%
2000115,20930.8%
2010139,65421.2%
2020161,76515.8%
2023 (est.)167,819[14]3.7%
U.S. Decennial Census[15]
1790–1960[16] 1900–1990[17]
1990–2000[18] 2010–2020[1]

As of the 2010 United States Census, there were 139,654 people, 52,242 households, and 37,711 families residing in the county.[19] The population density was 435.8 inhabitants per square mile (168.3/km2). There were 56,649 housing units at an average density of 176.8 per square mile (68.3/km2).[3] The racial makeup of the county was 93.9% white, 2.0% Asian, 1.1% black or African American, 0.2% American Indian, 1.2% from other races, and 1.5% from two or more races. Those of Hispanic or Latino origin made up 3.1% of the population.[19] In terms of ancestry, 28.1% were German, 15.7% were Irish, 11.5% were English, and 10.3% were American.[20]

Of the 52,242 households, 37.1% had children under the age of 18 living with them, 57.3% were married couples living together, 10.2% had a female householder with no husband present, 27.8% were non-families, and 22.6% of all households were made up of individuals. The average household size was 2.63 and the average family size was 3.09. The median age was 36.8 years.[19]

The median income for a household in the county was $47,697 and the median income for a family was $72,723. Males had a median income of $52,107 versus $36,029 for females. The per capita income for the county was $28,224. About 5.9% of families and 8.1% of the population were below the poverty line, including 11.1% of those under age 18 and 4.8% of those age 65 or over.[21]

Education

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School districts include:[22]

See also

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References

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  1. ^ a b "Johnson County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved September 25, 2011.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 9, 2015. Retrieved June 7, 2011.
  3. ^ a b "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 12, 2020. Retrieved July 10, 2015.
  4. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. pp. 169.
  5. ^ "Franklin, Union, Needham townships merged, ready to serve". February 5, 2022.
  6. ^ a b "Monthly Averages for Franklin, Indiana". The Weather Channel. Retrieved January 27, 2011.
  7. ^ "State Climate Extremes Committee (SCEC) | Extremes | National Centers for Environmental Information (NCEI)".
  8. ^ a b Indiana Code. "Title 36, Article 2, Section 3". IN.gov. Retrieved September 16, 2008.
  9. ^ a b c d Indiana Code. "Title 2, Article 10, Section 2" (PDF). IN.gov. Retrieved September 16, 2008.
  10. ^ "courts.IN.gov: Indiana Trial Courts: Types of Courts". www.in.gov. Archived from the original on June 16, 2012.
  11. ^ "Indiana Senate Districts" (PDF). State of Indiana. Retrieved April 30, 2018.
  12. ^ "Indiana House Districts" (PDF). State of Indiana. Retrieved April 30, 2018.
  13. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved May 17, 2018.
  14. ^ "Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2023". United States Census Bureau. Retrieved April 2, 2024.
  15. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 10, 2014.
  16. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 10, 2014.
  17. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 10, 2014.
  18. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 10, 2014.
  19. ^ a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 10, 2015.
  20. ^ "DP02 Selected Social Characteristics in the United States – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 14, 2020. Retrieved July 10, 2015.
  21. ^ "DP03 selected economic characteristics – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 14, 2020. Retrieved July 10, 2015.
  22. ^ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Johnson County, IN" (PDF). U.S. Census Bureau. Retrieved October 22, 2024. - Text list
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