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Jefferson township, Johnson County, IA

4,334 Population
25.4 square miles 170.7 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

46.7 ±1.8 Median age
  • about 1.5 times the figure in Johnson County: 31 ±0.2
  • about 20 percent higher than the figure in Iowa: 38.6 ±0.2
  • about 20 percent higher than the figure in United States: 38.9 ±0.1

Economics

$62,143 ±$6,487 Per capita income
  • about 1.4 times the amount in Johnson County: $45,136 ±$1,821
  • about 1.5 times the amount in Iowa: $40,877 ±$247
  • about 1.4 times the amount in United States: $44,673 ±$122
$119,183 ±$12,905 Median household income
  • about 1.5 times the amount in Johnson County: $74,935 ±$3,026
  • about 1.5 times the amount in Iowa: $75,059 ±$418
  • about 1.5 times the amount in United States: $80,734 ±$166

3.4% ±1.8% (148  ±80) Persons below poverty line
  • about one-fifth of the rate in Johnson County: 17.1% 25,345 (±1% / ±1,484)
  • about one-third of the rate in Iowa: 11.1% 344,519 (±0.2% / ±6,799)
  • about one-quarter of the rate in United States: 12.5% 40,735,660 (±0.1% / ±275,861)

22.4 minutes ±4.9 (41,425  ±5,974) Mean travel time to work
  • about 20 percent higher than the figure in Johnson County: 19.5 1,417,960 (±0.6 / ±55,084)
  • about 10 percent higher than the figure in Iowa: 19.8 28,362,076 (±0.1 / ±233,595)
  • about 80 percent of the figure in United States: 26.4 3,569,606,700 (±0 / ±5,719,373)

Families

1,599 ±146 Number of households
  • Johnson County: 63,341 ±680
  • Iowa: 1,315,707 ±3,984
  • United States: 129,227,496 ±209,365
2.7 ±0 (4,334  ±398) Persons per household
  • about 20 percent higher than the figure in Johnson County: 2.3 148,483 (±0 / ±258)
  • about 20 percent higher than the figure in Iowa: 2.4 3,111,021
  • about 10 percent higher than the figure in United States: 2.5 326,722,430

3.1% ±1.7% (26  ±15) Women 15-50 who gave birth during past year
  • about 80 percent of the rate in Johnson County: 3.7% † 1,664 (±0.7% / ±324)
  • about half the rate in Iowa: 5.7% 41,080 (±0.2% / ±1,625)
  • about three-fifths of the rate in United States: 5.1% 4,009,203 (±0% / ±20,898)

Housing

1,608 ±149 Number of housing units
  • Johnson County: 68,217 ±121
  • Iowa: 1,437,699 ±523
  • United States: 143,775,360 ±10,234

$389,500 ±$25,132 Median value of owner-occupied housing units
  • about 25 percent higher than the amount in Johnson County: $308,600 ±$7,979
  • nearly double the amount in Iowa: $208,000 ±$1,141
  • about 20 percent higher than the amount in United States: $332,700 ±$236

5.6% ±3.1% (241  ±134.1) Moved since previous year
  • about one-quarter of the rate in Johnson County: 22.5% 34,914 (±1.4% / ±2,177.2)
  • about two-fifths of the rate in Iowa: 12.9% 408,833 (±0.3% / ±7,883.1)
  • about half the rate in United States: 12.3% 40,747,183 (±0% / ±136,530.8)

Social

98.2% ±1.4% (2,977  ±243.2) High school grad or higher
  • about the same as the rate in Johnson County: 96.3% 90,327 (±2.4% / ±2,226.7)
  • a little higher than the rate in Iowa: 93.3% 2,008,851 (±0.4% / ±9,325.6)
  • about 10 percent higher than the rate in United States: 89.6% 206,814,894 (±0.1% / ±283,951.7)
47.3% ±3.8% (1,434  ±163.4) Bachelor's degree or higher
  • about 90 percent of the rate in Johnson County: 55.2% 51,757 (±1.8% / ±1,692)
  • about 1.5 times the rate in Iowa: 31.4% 676,908 (±0.3% / ±5,442.9)
  • about 1.3 times the rate in United States: 35.7% 82,363,217 (±0.1% / ±182,857.7)

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

4.3% ±3% (186  ±131) Foreign-born population
  • about two-fifths of the rate in Johnson County: 9.8% 15,372
  • about three-quarters of the rate in Iowa: 5.9% 189,988
  • about one-third of the rate in United States: 14.1% 47,349,080

5.2% ±1.6% (170  ±55) Population with veteran status
  • about 1.3 times the rate in Johnson County: 3.9% 4,922 (±0.4% / ±486)
  • about 80 percent of the rate in Iowa: 6.5% 160,571 (±0.1% / ±2,289)
  • about 80 percent of the rate in United States: 6.2% 16,185,883 (±0% / ±45,251)
170 Total veterans ±55 145 Male ±46 25 Female ±21

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