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Martinsburg, IA

101 Population
0.4 square miles 269.9 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

50.5 ±14.1 Median age
  • about 20 percent higher than the figure in Keokuk County: 43.4 ±0.6
  • about 1.3 times the figure in Iowa: 38.6 ±0.2
  • about 1.3 times the figure in United States: 38.9 ±0.1

Economics

$23,178 ±$5,485 Per capita income
  • about two-thirds of the amount in Keokuk County: $35,153 ±$2,126
  • about three-fifths of the amount in Iowa: $40,877 ±$247
  • about half the amount in United States: $44,673 ±$122
$55,000 ±$24,863 Median household income
  • about 90 percent of the amount in Keokuk County: $62,329 ±$4,405
  • about three-quarters of the amount in Iowa: $75,059 ±$418
  • about two-thirds of the amount in United States: $80,734 ±$166

29.7% ±17.9% (30  ±22) Persons below poverty line
  • more than double the rate in Keokuk County: 12.1% † 1,184 (±2.9% / ±287)
  • more than double the rate in Iowa: 11.1% 344,519 (±0.2% / ±6,799)
  • more than double the rate in United States: 12.5% 40,735,660 (±0.1% / ±275,861)

28 minutes ±24.6 (1,205  ±721) Mean travel time to work
  • a little higher than the figure in Keokuk County: 26.5 106,710 (±1.6 / ±8,443)
  • about 1.4 times the figure in Iowa: 19.8 28,362,076 (±0.1 / ±233,595)
  • a little higher than the figure in United States: 26.4 3,569,606,700 (±0 / ±5,719,373)

Families

40 ±17 Number of households
  • Keokuk County: 4,068 ±105
  • Iowa: 1,315,707 ±3,984
  • United States: 129,227,496 ±209,365
2.5 ±1.5 (101  ±42) Persons per household
  • a little higher than the figure in Keokuk County: 2.4 9,787 (±0.1 / ±20)
  • about 10 percent higher than the figure in Iowa: 2.4 3,111,021
  • about the same as the figure in United States: 2.5 326,722,430

9.1% ±17.1% (2  ±4) Women 15-50 who gave birth during past year
  • more than 1.5 times the rate in Keokuk County: 5.4% † 99 (±1.8% / ±34)
  • about 1.5 times the rate in Iowa: 5.7% 41,080 (±0.2% / ±1,625)
  • more than 1.5 times the rate in United States: 5.1% 4,009,203 (±0% / ±20,898)

Housing

41 ±17 Number of housing units
  • Keokuk County: 4,647 ±25
  • Iowa: 1,437,699 ±523
  • United States: 143,775,360 ±10,234

$60,000 ±$40,515 Median value of owner-occupied housing units
  • about half the amount in Keokuk County: $118,700 ±$6,126
  • about one-quarter of the amount in Iowa: $208,000 ±$1,141
  • about one-fifth of the amount in United States: $332,700 ±$236

8.1% ±18.6% (8  ±18.7) Moved since previous year
  • a little less than the rate in Keokuk County: 8.4% † 830 (±2.1% / ±207.2)
  • 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

88.5% ±33.5% (69  ±38.5) High school grad or higher
  • a little less than the rate in Keokuk County: 94.4% 6,565 (±4% / ±277.5)
  • a little less than the rate in Iowa: 93.3% 2,008,851 (±0.4% / ±9,325.6)
  • about the same as the rate in United States: 89.6% 206,814,894 (±0.1% / ±283,951.7)
9% ±35.2% (7  ±27.6) Bachelor's degree or higher
  • about half the rate in Keokuk County: 17% † 1,181 (±1.8% / ±123.9)
  • about one-quarter of the rate in Iowa: 31.4% 676,908 (±0.3% / ±5,442.9)
  • about one-quarter 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

9.9% ±10.1% (10  ±11) Foreign-born population
  • more than double the rate in Keokuk County: 1% 101
  • more than 1.5 times the rate in Iowa: 5.9% 189,988
  • about two-thirds of the rate in United States: 14.1% 47,349,080

2.6% ±3.7% (2  ±3) Population with veteran status
  • about two-fifths of the rate in Keokuk County: 6.5% † 497 (±0.9% / ±71)
  • about two-fifths of the rate in Iowa: 6.5% 160,571 (±0.1% / ±2,289)
  • about two-fifths of the rate in United States: 6.2% 16,185,883 (±0% / ±45,251)
2 Total veterans ±3 2 Male ±3 N/A Female ±10

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