Missouri Valley is home to 2,666 people in Iowa. 18% of adults hold a bachelor's degree, below the 36% national rate. 0% of people here were born outside the United States. Home values have more than doubled since 2000, reaching $148,500. Renters pay $753 a month at the median. Density works out to 803 people per square mile.
At a glance
Lower income
median household income $71,818, below the US median
US median: $82,259
Mid-age
median age 38.0
US median: 38.9
Less educated
18% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Missouri Valley
What changed most since 1990
White share99.5% → 94.7%(−4.8 pts)US over the same years: −17.8 pts
Adults with a bachelor's degree11.7% → 18.2%(+6.6 pts)US over the same years: +15.3 pts
Median age36.0 → 38.0(+2.0 years)US over the same years: +6.0 years
Missouri Valley's population equals 18% of Harrison County's. Its number of households without a car equals 31% of the county's. Its number of residents living in poverty equals 25% of the county's.
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)7.2%(15)
US avg: 26.4%
Gulf War (1990s)28.5%(59)
US avg: 24.3%
Vietnam era29%(60)
US avg: 33.1%
Korean War4.3%(9)
US avg: 4.5%
World War II3.4%(7)
US avg: 1%
Share of the 207 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Missouri Valley, decade by decade
Missouri Valley population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
2,888
$54,753
$84,002
11.7%
1.2
2000
2,992
$66,662
$134,985
11.6%
3.6
2010
2,838
$56,222
$137,815
9.1%
9.3
2020
2,678
$64,190
$115,992
13.6%
17.9
2024
2,666
$71,818
$148,500
18.2%
12.7
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
