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Home > US counties > Counties in Iowa state > Johnson County Demography

State of Iowa - County of Johnson

Johnson County Demography

For county business demographics page, click Johnson County Businesses

  • Table 1. Johnson County Area and Population - See below
  • Table 2. Johnson County Population by Age, Sex, and Race
  • Table 3. Johnson County Group Quarters Population and Households
  • Table 4. Johnson County Vital Statistics and Health
  • Table 5. Johnson County Education, Income, and Poverty
  • Table 6. Johnson County Crime Housing, and Building Permits
  • Table 7. Johnson County Personal Income and Earnings
    TABLE 1. Johnson County Area and Population
    Land area, Year 2000 (sq. miles) 614
    Population 2001 (July 1) > Number 111,230
    Population 2001 (July 1) > Rank 492
    Population (April 1) > Year 2000 > Number 111,006
    Population (April 1) > Year 2000 > Rank 488
    Population (April 1) > Year 2000 > Per square mile 180.80
    Population (April 1) > Year 1990 > Number 96,119
    Population (April 1) > Year 1990 > Rank 482
    Population (April 1) > Year 1980 81,717
    Population (April 1) > Net change > Year 2000-2001 224
    Population (April 1) > Net change > Year 1990-2000 14,887
    Population (April 1) > Net change > Year 1980-1990 14,402
    Population (April 1) > Percent change > Year 2000-2001 0.20%
    Population (April 1) > Percent change > Year 1990-2000 15.50%
    Population (April 1) > Percent change > Year 1980-1990 17.60%
    Population (April 1) > Hispanic or Latino, Year 2000 > Number 2,781
    Population (April 1) > Hispanic or Latino, Year 2000 > Percent 2.50%


    TABLE 2. Johnson County Population by Age, Sex, and Race
    Down Top
    Total population, 2000 (April 1) 111,006
    Population by age, 2000 (April 1) > Under 5 years > Number 6,428
    Population by age, 2000 (April 1) > Under 5 years > Percent 5.80%
    Population by age, 2000 (April 1) > 5 to 17 years > Number 15,884
    Population by age, 2000 (April 1) > 5 to 17 years > Percent 14.30%
    Population by age, 2000 (April 1) > 18 to 24 years > Number 26,013
    Population by age, 2000 (April 1) > 18 to 24 years > Percent 23.40%
    Population by age, 2000 (April 1) > 25 to 44 years > Number 34,167
    Population by age, 2000 (April 1) > 25 to 44 years > Percent 30.80%
    Population by age, 2000 (April 1) > 45 to 64 years > Number 20,249
    Population by age, 2000 (April 1) > 45 to 64 years > Percent 18.20%
    Population by age, 2000 (April 1) > 65 to 74 years > Number 4,338
    Population by age, 2000 (April 1) > 65 to 74 years > Percent 3.90%
    Population by age, 2000 (April 1) > 75 to 84 years > Number 2,826
    Population by age, 2000 (April 1) > 75 to 84 years > Percent 2.50%
    Population by age, 2000 (April 1) > 85 years and over > Number 1,101
    Population by age, 2000 (April 1) > 85 years and over > Percent 1.00%
    Population by age, 2000 (April 1) > Median age (years) 28.40
    Population by sex, 2000 (April 1) > Males 55,254
    Population by sex, 2000 (April 1) > Females 55,752
    Population by sex, 2000 (April 1) > Males per 100 females 99.10
    Population by race, 2000 (April 1) > One race > White > Number 100,051
    Population by race, 2000 (April 1) > One race > White > Percent 90.10%
    Population by race, 2000 (April 1) > One race > Black or African American > Number 3,223
    Population by race, 2000 (April 1) > One race > Black or African American > Percent 2.90%
    Population by race, 2000 (April 1) > One race > American Indian and Alaska Native > Number 313
    Population by race, 2000 (April 1) > One race > American Indian and Alaska Native > Percent 0.30%
    Population by race, 2000 (April 1) > One race > Asian > Number 4,578
    Population by race, 2000 (April 1) > One race > Asian > Percent 4.10%
    Population by race, 2000 (April 1) > One race > Native Hawaiian and Other Pacific Islander > Number 48
    Population by race, 2000 (April 1) > One race > Native Hawaiian and Other Pacific Islander > Percent (Z)%
    Population by race, 2000 (April 1) > One race > Some other race > Number 1,116
    Population by race, 2000 (April 1) > One race > Some other race > Percent 1.00%
    Population by race, 2000 (April 1) > Two or more races > Number 1,677
    Population by race, 2000 (April 1) > Two or more races > Percent 1.50%


    TABLE 3. Johnson County Group Quarters Population and Households
    Up Down Top
    Group quarters population, Year 2000 > Number 8,006
    Group quarters population, Year 2000 > Institutionalized population 1,547
    Households, 2000 (April 1) > Number > Year 2000 44,080
    Households, 2000 (April 1) > Number > Year 1990 36,067
    Households, 2000 (April 1) > Percent change, Year 1990-2000 22.20%
    Households, 2000 (April 1) > Persons in households > Number 103,000
    Households, 2000 (April 1) > Persons in households > Persons per household 2.34
    Households, 2000 (April 1) > One person > Number 13,333
    Households, 2000 (April 1) > One person > Percent 30.20%
    Households, 2000 (April 1) > One or more persons under 18 years > Number 12,137
    Households, 2000 (April 1) > One or more persons under 18 years > Percent 27.50%
    Households, 2000 (April 1) > One or more persons 65 years or older > Number 5,759
    Households, 2000 (April 1) > One or more persons 65 years or older > Percent 13.10%
    Households, 2000 (April 1) > By type > Family households (families) > Number 23,578
    Households, 2000 (April 1) > By type > Family households (families) > With own children under 18 years > Number 11,660
    Households, 2000 (April 1) > By type > Family households (families) > With own children under 18 years > Percent 49.50%
    Households, 2000 (April 1) > By type > Family households (families) > Married-couple > Number 19,335
    Households, 2000 (April 1) > By type > Family households (families) > Married-couple > With own children > Number 9,114
    Households, 2000 (April 1) > By type > Family households (families) > Married-couple > With own children > Percent 47.10%
    Households, 2000 (April 1) > By type > Family households (families) > Female householder > Number 2,995
    Households, 2000 (April 1) > By type > Family households (families) > Female householder > With own children > Number 1,940
    Households, 2000 (April 1) > By type > Family households (families) > Female householder > With own children > Percent 64.80%
    Households, 2000 (April 1) > By type > Nonfamily households > Number > 2000 20,502
    Households, 2000 (April 1) > By type > Nonfamily households > Number > Year 1990 15,750
    Households, 2000 (April 1) > By type > Nonfamily households > Percent change, Year 1990-2000 30.20%


    TABLE 4. Johnson County Vital Statistics and Health
    Up Down Top
    Population, Year 1997 (July 1) for birth and death rates 101,921
    Births, Year 1997 > Number 1,275
    Births, Year 1997 > Rate 12.50
    Deaths, Year 1997 > Total > Number 479
    Deaths, Year 1997 > Total > Rate 4.70
    Deaths, Year 1997 > Infant > Number 10
    Deaths, Year 1997 > Infant > Rate 7.80
    Physicians, Year 1999 > Number **
    Physicians, Year 1999 > Rate **
    Community hospitals, Year 1998 > Number **
    Community hospitals, Year 1998 > Beds > Number **
    Community hospitals, Year 1998 > Beds > Rate **
    Nursing and personal care facilities, Year 1997 > Establishments 36
    Nursing and personal care facilities, Year 1997 > Employees 777
    Medicare program enrollment, Year 1999 > Total 9,007
    Medicare program enrollment, Year 1999 > Aged 7,748


    TABLE 5. Johnson County Education, Income, and Poverty
    Up Down Top
    Public school enrollment > Fall > Year 1998-1999 13,101
    Public school enrollment > Fall > Year 1994-1995 12,171
    Public school enrollment > Year 1990 11,880
    Educational attainment, 1990 > Persons 25 years and over 53,053
    Educational attainment, 1990 > High school graduate or higher > Number 48,063
    Educational attainment, 1990 > High school graduate or higher > Percent 90.60%
    Educational attainment, 1990 > Bachelor's degree or higher > Number 23,336
    Educational attainment, 1990 > Bachelor's degree or higher > Percent 44.00%
    Median household income > Year 1997 (dollars) 41,678
    Median household income > 1989 (dollars) 27,862
    Median household income > Percent change, 1989-1997 49.60%
    Persons below poverty level, Year 1997 > Number > Persons of all ages > Total 8,842
    Persons below poverty level, Year 1997 > Number > Persons of all ages > Net change, 1989-1997 -6057
    Persons below poverty level, Year 1997 > Number > Persons under 18 years 1,966
    Persons below poverty level, Year 1997 > Percent > Persons of all ages 9.20%
    Persons below poverty level, Year 1997 > Percent > Persons under 18 years 9.50%


    TABLE 6. Johnson County Crime Housing, and Building Permits
    Up Down Top
    Serious crimes known to police (as reported to the FBI) > Number > Year 1999 > Total 3,531
    Serious crimes known to police (as reported to the FBI) > Number > Year 1999 > Violent 525
    Serious crimes known to police (as reported to the FBI) > Number > Year 1999 > Property 3,006
    Serious crimes known to police (as reported to the FBI) > Number > Year 1990 4,642
    Serious crimes known to police (as reported to the FBI) > Year 1999 Crime rate > FBI population 102,974
    Serious crimes known to police (as reported to the FBI) > Year 1999 Crime rate > Rate 3,429
    Serious crimes known to police (as reported to the FBI) > Year 1990 Crime rate > FBI population 96,119
    Serious crimes known to police (as reported to the FBI) > Year 1990 Crime rate > Rate 4,829
    Housing, 2000 > Total units 45,831
    Housing, 2000 > Percent change, Year 1990-2000 23.20%
    Housing, 2000 > Occupied units > Number 44,080
    Housing, 2000 > Occupied units > Owner occupied > Number 24,967
    Housing, 2000 > Occupied units > Owner occupied > Percent 56.60%
    New private housing units authorized by building permits, 2000 > Number 1,151
    New private housing units authorized by building permits, 2000 > In structures with > One unit > Number 529
    New private housing units authorized by building permits, 2000 > In structures with > One unit > Percent 46.00%
    New private housing units authorized by building permits, 2000 > In structures with > Five units or more > Number 539
    New private housing units authorized by building permits, 2000 > In structures with > Five units or more > Percent 46.80%
    New private housing units authorized by building permits, 2000 > Valuation ($1,000) 122,604


    TABLE 7. Johnson County Personal Income and Earnings
    Up Top
    Personal income, Year 1998 > Amount ($1,000) > Year 1998 2,849,558
    Personal income, Year 1998 > Amount ($1,000) > Year 1990 1,778,055
    Personal income, Year 1998 > Percent change, Year 1990-1998 60.30%
    Personal income, Year 1998 > Per capita1 > BEA population, 1998 (July 1) for per capita income: 102,556
    Personal income, Year 1998 > Per capita1 > Amount (dollars) 27,785
    Personal income, Year 1998 > Per capita1 > Percent of national average 102.10%
    Personal income, Year 1998 > Transfer payments ($1,000) 209,019
    Personal income, Year 1998 > Earnings > Total ($1,000) 2,256,448
    Personal income, Year 1998 > Earnings > By selected industry > Goods related > Total > Amount ($1,000) (D)
    Personal income, Year 1998 > Earnings > By selected industry > Goods related > Total > Percent (D)%
    Personal income, Year 1998 > Earnings > By selected industry > Goods related > manufacturing > Amount ($1,000) 197,899
    Personal income, Year 1998 > Earnings > By selected industry > Goods related > manufacturing > Percent 8.80%
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Total > Amount ($1,000) (D)
    Personal income, Year 1998 > Earnings > by selected industry > Service-related > Total > Percent (D)%
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Retail trade > Amount ($1,000) 189,849
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Retail trade > Percent 8.40%
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Fire > Amount ($1,000) 96,982
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Fire > Percent 4.30%
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Services > Amount ($1,000) 442,898
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Services > Percent 19.60%
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Government > Amount ($1,000) 1,031,218
    Personal income, Year 1998 > Earnings > By selected industry > Service-related > Government > Percent 45.70%
    Manufacturing Earnings > Year 1998 ($1,000) 197,899
    Manufacturing Earnings > Year 1997 ($1,000) 177,350
    Manufacturing Earnings > Year 1996 ($1,000) 169,584




     









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