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Greencastle township, Marshall County, IA

1,123 Population
36.3 square miles 30.9 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

41.1 ±8.7 Median age
  • about 10 percent higher than the figure in Marshall County: 38.5 ±0.7
  • a little higher than the figure in Iowa: 38.6 ±0.2
  • a little higher than the figure in United States: 38.9 ±0.1

Economics

$38,508 ±$7,255 Per capita income
  • about 20 percent higher than the amount in Marshall County: $33,544 ±$1,288
  • a little less than the amount in Iowa: $40,877 ±$247
  • about 90 percent of the amount in United States: $44,673 ±$122
$99,828 ±$13,285 Median household income
  • about 1.4 times the amount in Marshall County: $73,315 ±$3,402
  • about 1.3 times the amount in Iowa: $75,059 ±$418
  • about 25 percent higher than the amount in United States: $80,734 ±$166

7.7% ±3.7% (86  ±45) Persons below poverty line
  • about two-thirds of the rate in Marshall County: 11.2% † 4,333 (±2.1% / ±806)
  • about two-thirds of the rate in Iowa: 11.1% 344,519 (±0.2% / ±6,799)
  • about three-fifths of the rate in United States: 12.5% 40,735,660 (±0.1% / ±275,861)

25.6 minutes ±1.3 (13,535  ±4,271) Mean travel time to work
  • about 1.3 times the figure in Marshall County: 19.9 360,900 (±1.3 / ±26,576)
  • about 1.3 times the figure in Iowa: 19.8 28,362,076 (±0.1 / ±233,595)
  • a little less than the figure in United States: 26.4 3,569,606,700 (±0 / ±5,719,373)

Families

464 ±111 Number of households
  • Marshall County: 15,496 ±282
  • Iowa: 1,315,707 ±3,984
  • United States: 129,227,496 ±209,365
2.4 ±0.8 (1,123  ±238) Persons per household
  • a little less than the figure in Marshall County: 2.5 38,889 (±0.1 / ±54)
  • a little higher than the figure in Iowa: 2.4 3,111,021
  • a little less than the figure in United States: 2.5 326,722,430

4% ±3.4% (11  ±10) Women 15-50 who gave birth during past year
  • about two-thirds of the rate in Marshall County: 6.2% † 523 (±1.6% / ±139)
  • about two-thirds of the rate in Iowa: 5.7% 41,080 (±0.2% / ±1,625)
  • about three-quarters of the rate in United States: 5.1% 4,009,203 (±0% / ±20,898)

Housing

507 ±114 Number of housing units
  • Marshall County: 16,937 ±42
  • Iowa: 1,437,699 ±523
  • United States: 143,775,360 ±10,234

$108,800 ±$18,646 Median value of owner-occupied housing units
  • about three-quarters of the amount in Marshall County: $145,500 ±$6,283
  • about half the amount in Iowa: $208,000 ±$1,141
  • about one-third of the amount in United States: $332,700 ±$236

16.1% ±13.7% (179  ±157.3) Moved since previous year
  • nearly double the rate in Marshall County: 8.9% † 3,525 (±1.6% / ±648.6)
  • about 25 percent higher than the rate in Iowa: 12.9% 408,833 (±0.3% / ±7,883.1)
  • about 1.3 times the rate in United States: 12.3% 40,747,183 (±0% / ±136,530.8)

Social

96.1% ±29.5% (686  ±136.7) High school grad or higher
  • about 10 percent higher than the rate in Marshall County: 86.9% 23,022 (±3.2% / ±857)
  • 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)
20.3% ±4.3% (145  ±45.5) Bachelor's degree or higher
  • about 90 percent of the rate in Marshall County: 22.6% 5,979 (±1.8% / ±466.1)
  • about two-thirds of the rate in Iowa: 31.4% 676,908 (±0.3% / ±5,442.9)
  • about three-fifths of 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

1.3% ±1.5% (14  ±17) Foreign-born population
  • about 10 percent of the rate in Marshall County: 14.6% 5,856
  • about one-fifth of the rate in Iowa: 5.9% 189,988
  • about 10 percent of the rate in United States: 14.1% 47,349,080

6.2% ±3.2% (53  ±30) Population with veteran status
  • about two-thirds of the rate in Marshall County: 8.8% 2,639 (±0.8% / ±226)
  • a little less than the rate in Iowa: 6.5% 160,571 (±0.1% / ±2,289)
  • about the same as the rate in United States: 6.2% 16,185,883 (±0% / ±45,251)
53 Total veterans ±30 47 Male ±29 6 Female ±5

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