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Jefferson township, Mahaska County, IA

355 Population
40.7 square miles 8.7 people per square mile

Census data: ACS 2023 5-year unless noted

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Demographics

47.8 ±8.9 Median age
  • about 25 percent higher than the figure in Mahaska County: 39.1 ±0.8
  • about 25 percent higher than the figure in Iowa: 38.6 ±0.1

Economics

$51,472 ±$10,461 Per capita income
  • about 1.5 times the amount in Mahaska County: $35,035 ±$2,317
  • about 1.3 times the amount in Iowa: $39,728 ±$248
$84,167 ±$38,651 Median household income
  • about 25 percent higher than the amount in Mahaska County: $69,019 ±$5,938
  • about 20 percent higher than the amount in Iowa: $73,147 ±$438

N/A Persons below poverty line

24.8 minutes ±3.4 (6,395  ±2,919) Mean travel time to work
  • about 1.4 times the figure in Mahaska County: 17.8 185,025 (±1.1 / ±12,669)
  • about 25 percent higher than the figure in Iowa: 19.8 28,378,176 (±0.1 / ±224,391)

Families

172 ±71 Number of households
  • Mahaska County: 8,891 ±241
  • Iowa: 1,303,763 ±3,538
2.1 ±0.2 (355  ±150) Persons per household
  • about 90 percent of the figure in Mahaska County: 2.4 21,327 (±0.1 / ±19)
  • about 90 percent of the figure in Iowa: 2.4 3,097,679

14.3% ±22.4% (5  ±9) Women 15-50 who gave birth during past year
  • more than double the rate in Mahaska County: 5.8% † 263 (±2.1% / ±94)
  • more than double the rate in Iowa: 5.6% 40,151 (±0.2% / ±1,434)

Housing

191 ±71 Number of housing units
  • Mahaska County: 9,708 ±36
  • Iowa: 1,427,175 ±397

$166,300 ±$36,320 Median value of owner-occupied housing units
  • about 20 percent higher than the amount in Mahaska County: $140,900 ±$12,904
  • about 80 percent of the amount in Iowa: $195,900 ±$929

3.4% ±7% (12  ±25) Moved since previous year
  • about one-third of the rate in Mahaska County: 11% † 2,397 (±1.9% / ±424.9)
  • about one-quarter of the rate in Iowa: 13.2% 418,598 (±0.2% / ±6,426.2)

Social

87.3% ±53.1% (220  ±90.6) High school grad or higher
  • about 90 percent of the rate in Mahaska County: 94% 13,749 (±4.1% / ±605.2)
  • a little less than the rate in Iowa: 93.2% 1,995,357 (±0.4% / ±9,537.1)
8.3% ±12% (21  ±31.7) Bachelor's degree or higher
  • about one-third of the rate in Mahaska County: 23% 3,363 (±2% / ±298.2)
  • about one-quarter of the rate in Iowa: 30.9% 660,619 (±0.3% / ±6,087.5)

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

N/A Foreign-born population

8% ±6.7% (24  ±22) Population with veteran status
  • about 1.4 times the rate in Mahaska County: 5.9% † 995 (±1% / ±164)
  • about 20 percent higher than the rate in Iowa: 6.8% 166,552 (±0.1% / ±2,040)
24 Total veterans ±22 24 Male ±22 N/A Female ±10

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