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Rock township, Lyon County, IA

3,297 Population
35.6 square miles 92.7 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

36.1 ±2.5 Median age
  • a little less than the figure in Lyon County: 38.2 ±0.3
  • a little less than the figure in Iowa: 38.6 ±0.2
  • about 90 percent of the figure in United States: 38.9 ±0.1

Economics

$28,994 ±$2,428 Per capita income
  • about 80 percent of the amount in Lyon County: $36,117 ±$1,874
  • about two-thirds of the amount in Iowa: $40,877 ±$247
  • about two-thirds of the amount in United States: $44,673 ±$122
$72,198 ±$5,938 Median household income
  • a little less than the amount in Lyon County: $76,746 ±$7,073
  • a little less than the amount in Iowa: $75,059 ±$418
  • about 90 percent of the amount in United States: $80,734 ±$166

5.1% ±1.9% (164  ±64) Persons below poverty line
  • a little less than the rate in Lyon County: 5.3% † 638 (±1.3% / ±157)
  • about half the rate in Iowa: 11.1% 344,519 (±0.2% / ±6,799)
  • about two-fifths of the rate in United States: 12.5% 40,735,660 (±0.1% / ±275,861)

14.2 minutes ±2.9 (17,680  ±4,675) Mean travel time to work
  • about three-quarters of the figure in Lyon County: 18.9 102,505 (±1.6 / ±9,848)
  • about two-thirds of the figure in Iowa: 19.8 28,362,076 (±0.1 / ±233,595)
  • about half the figure in United States: 26.4 3,569,606,700 (±0 / ±5,719,373)

Families

1,078 ±126 Number of households
  • Lyon County: 4,479 ±121
  • Iowa: 1,315,707 ±3,984
  • United States: 129,227,496 ±209,365
3 ±0.1 (3,192  ±390) Persons per household
  • about 10 percent higher than the figure in Lyon County: 2.7 11,983 (±0.1 / ±26)
  • about 25 percent higher than the figure in Iowa: 2.4 3,111,021
  • about 20 percent higher than the figure in United States: 2.5 326,722,430

6.5% ±6.5% (48  ±49) Women 15-50 who gave birth during past year
  • about 90 percent of the rate in Lyon County: 7.2% † 174 (±2.4% / ±57)
  • about 10 percent higher than the rate in Iowa: 5.7% 41,080 (±0.2% / ±1,625)
  • about 25 percent higher than the rate in United States: 5.1% 4,009,203 (±0% / ±20,898)

Housing

1,229 ±134 Number of housing units
  • Lyon County: 4,870 ±36
  • Iowa: 1,437,699 ±523
  • United States: 143,775,360 ±10,234

$227,700 ±$15,344 Median value of owner-occupied housing units
  • about the same as the amount in Lyon County: $230,000 ±$11,175
  • about 10 percent higher than the amount in Iowa: $208,000 ±$1,141
  • about two-thirds of the amount in United States: $332,700 ±$236

8.2% ±3.1% (266  ±106.7) Moved since previous year
  • a little less than the rate in Lyon County: 8.6% † 1,026 (±2% / ±243.1)
  • about three-fifths of the rate in Iowa: 12.9% 408,833 (±0.3% / ±7,883.1)
  • about two-thirds of the rate in United States: 12.3% 40,747,183 (±0% / ±136,530.8)

Social

94.9% ±1.7% (1,864  ±207.8) High school grad or higher
  • about the same as the rate in Lyon County: 95.3% 7,420 (±4.6% / ±359.6)
  • about the same as the rate in Iowa: 93.3% 2,008,851 (±0.4% / ±9,325.6)
  • a little higher than the rate in United States: 89.6% 206,814,894 (±0.1% / ±283,951.7)
24.5% ±4% (481  ±95) Bachelor's degree or higher
  • about 20 percent higher than the rate in Lyon County: 20.4% † 1,590 (±2.2% / ±173.5)
  • about 80 percent 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

2.6% ±1.6% (87  ±55) Foreign-born population
  • about 1.3 times the rate in Lyon County: 2% 239
  • about half the rate in Iowa: 5.9% 189,988
  • about one-fifth of the rate in United States: 14.1% 47,349,080

3.9% ±1.9% (84  ±42) Population with veteran status
  • about two-thirds of the rate in Lyon County: 5.7% † 500 (±1.1% / ±100)
  • about three-fifths of the rate in Iowa: 6.5% 160,571 (±0.1% / ±2,289)
  • about three-fifths of the rate in United States: 6.2% 16,185,883 (±0% / ±45,251)
84 Total veterans ±42 84 Male ±42 N/A Female ±10

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