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Census Tract 21, Johnson, IA

4,975 Population
0.3 square miles 15,527.6 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

19.9 ±0.2 Median age
  • about three-quarters of the figure in Iowa City: 26.2 ±0.6
  • about two-thirds of the figure in Johnson County: 31 ±0.2

Economics

$15,418 ±$5,102 Per capita income
  • about two-fifths of the amount in Iowa City: $37,842 ±$1,780
  • about one-third of the amount in Johnson County: $45,136 ±$1,821
$21,543 ±$5,676 Median household income
  • about two-fifths of the amount in Iowa City: $58,546 ±$3,038
  • about one-quarter of the amount in Johnson County: $74,935 ±$3,026

75.8% ±9.9% (1,618  ±339) Persons below poverty line
  • more than double the rate in Iowa City: 26.3% 18,166 (±1.6% / ±1,076)
  • more than double the rate in Johnson County: 17.1% 25,345 (±1% / ±1,484)

13.4 minutes ±1.4 (24,225  ±5,499) Mean travel time to work
  • about 80 percent of the figure in Iowa City: 17.3 630,830 (±0.6 / ±32,386)
  • about two-thirds of the figure in Johnson County: 19.5 1,417,960 (±0.6 / ±55,084)

Families

1,075 ±159 Number of households
  • Iowa City: 30,816 ±641
  • Johnson County: 63,341 ±680
2 ±0.1 (2,125  ±350) Persons per household
  • about 90 percent of the figure in Iowa City: 2.2 68,921 (±0.1 / ±248)
  • about 80 percent of the figure in Johnson County: 2.3 148,483 (±0 / ±258)

N/A Women 15-50 who gave birth during past year

Housing

1,201 ±140 Number of housing units
  • Iowa City: 33,863 ±601
  • Johnson County: 68,217 ±121

$661,800 ±$140,590 Median value of owner-occupied housing units
  • more than double the amount in Iowa City: $285,900 ±$8,160
  • more than double the amount in Johnson County: $308,600 ±$7,979

68.5% ±7.2% (3,406  ±441.6) Moved since previous year
  • more than double the rate in Iowa City: 31.3% 23,522 (±2.1% / ±1,544.4)
  • more than double the rate in Johnson County: 22.5% 34,914 (±1.4% / ±2,177.2)

Social

88.8% ±7% (403  ±125.6) High school grad or higher
  • about 90 percent of the rate in Iowa City: 96.5% 38,066 (±3% / ±1,391.1)
  • about 90 percent of the rate in Johnson County: 96.3% 90,327 (±2.4% / ±2,226.7)
52.6% ±16.1% (239  ±102.8) Bachelor's degree or higher
  • about 90 percent of the rate in Iowa City: 60.5% 23,879 (±2.4% / ±1,066.4)
  • a little less than the rate in Johnson County: 55.2% 51,757 (±1.8% / ±1,692)

N/A Persons with language other than English spoken at home

7% ±3.5% (350  ±175) Foreign-born population
  • about three-fifths of the rate in Iowa City: 12.2% 9,206 (±1.1% / ±861)
  • about three-quarters of the rate in Johnson County: 9.8% 15,372

0.1% ±0.2% (6  ±9) Population with veteran status
  • less than 10 percent of the rate in Iowa City: 3.4% † 2,200 (±0.5% / ±351)
  • less than 10 percent of the rate in Johnson County: 3.9% 4,922 (±0.4% / ±486)
6 Total veterans ±9 6 Male ±9 N/A Female ±10

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