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Colfax township, Grundy County, IA

618 Population
35.9 square miles 17.2 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

44.5 ±8.5 Median age
  • a little higher than the figure in Grundy County: 41.9 ±0.6
  • about 20 percent higher than the figure in Iowa: 38.6 ±0.2
  • about 10 percent higher than the figure in United States: 38.9 ±0.1

Economics

$58,890 ±$16,399 Per capita income
  • about 1.4 times the amount in Grundy County: $42,005 ±$2,239
  • about 1.4 times the amount in Iowa: $40,877 ±$247
  • about 1.3 times the amount in United States: $44,673 ±$122
$94,167 ±$28,009 Median household income
  • about 10 percent higher than the amount in Grundy County: $87,205 ±$4,831
  • about 25 percent higher than the amount in Iowa: $75,059 ±$418
  • about 20 percent higher than the amount in United States: $80,734 ±$166

9.5% ±8.2% (58  ±52) Persons below poverty line
  • about 1.5 times the rate in Grundy County: 6.5% † 798 (±1.4% / ±174)
  • about 90 percent of the rate in Iowa: 11.1% 344,519 (±0.2% / ±6,799)
  • about three-quarters of the rate in United States: 12.5% 40,735,660 (±0.1% / ±275,861)

24 minutes ±12.5 (7,140  ±2,254) Mean travel time to work
  • about the same as the figure in Grundy County: 23.6 132,580 (±1.6 / ±10,443)
  • about 20 percent higher than the figure in Iowa: 19.8 28,362,076 (±0.1 / ±233,595)
  • about 90 percent of the figure in United States: 26.4 3,569,606,700 (±0 / ±5,719,373)

Families

276 ±68 Number of households
  • Grundy County: 5,117 ±92
  • Iowa: 1,315,707 ±3,984
  • United States: 129,227,496 ±209,365
2.2 ±0.8 (618  ±149) Persons per household
  • a little less than the figure in Grundy County: 2.4 12,235 (±0 / ±6)
  • a little less than the figure in Iowa: 2.4 3,111,021
  • about 90 percent of the figure in United States: 2.5 326,722,430

2.7% ±3.5% (3  ±4) Women 15-50 who gave birth during past year
  • about one-third of the rate in Grundy County: 8.1% † 198 (±2.6% / ±64)
  • about half the rate in Iowa: 5.7% 41,080 (±0.2% / ±1,625)
  • about half the rate in United States: 5.1% 4,009,203 (±0% / ±20,898)

Housing

287 ±69 Number of housing units
  • Grundy County: 5,498 ±31
  • Iowa: 1,437,699 ±523
  • United States: 143,775,360 ±10,234

$164,000 ±$48,775 Median value of owner-occupied housing units
  • about 80 percent of the amount in Grundy County: $198,800 ±$10,465
  • about 80 percent of the amount in Iowa: $208,000 ±$1,141
  • about half the amount in United States: $332,700 ±$236

10.2% ±6.2% (63  ±41.1) Moved since previous year
  • about 25 percent higher than the rate in Grundy County: 8.3% † 1,021 (±1.5% / ±180.6)
  • about 80 percent of the rate in Iowa: 12.9% 408,833 (±0.3% / ±7,883.1)
  • about 80 percent of the rate in United States: 12.3% 40,747,183 (±0% / ±136,530.8)

Social

98.3% ±32.4% (464  ±97.6) High school grad or higher
  • about the same as the rate in Grundy County: 96.9% 8,371 (±3.8% / ±331.6)
  • 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)
23.5% ±9.1% (111  ±51.3) Bachelor's degree or higher
  • about 80 percent of the rate in Grundy County: 27.8% 2,406 (±2.1% / ±183.3)
  • about three-quarters of the rate in Iowa: 31.4% 676,908 (±0.3% / ±5,442.9)
  • about two-thirds 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% ±1.9% (8  ±12) Foreign-born population
  • about three-quarters of the rate in Grundy County: 1.7% 214
  • 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

12.3% ±11.2% (59  ±56) Population with veteran status
  • more than double the rate in Grundy County: 5.9% † 558 (±1.1% / ±104)
  • nearly double the rate in Iowa: 6.5% 160,571 (±0.1% / ±2,289)
  • about double the rate in United States: 6.2% 16,185,883 (±0% / ±45,251)
59 Total veterans ±56 45 Male ±46 14 Female ±20

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