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Marshall County, Iowa in numbers: crime, income, hazards

Marshall County averaged 3.8 reported violent crimes per 1,000 residents a year in 2021-2025, 43% higher than the Iowa rate (2.7). Median household income is $73,315 and the unemployment rate was 5.5% in August 2026. Population: about 40,114 (Census, 2020-2024).

Last updated . Crime: FBI 2021-2025. Income and housing: Census ACS 2020-2024. Unemployment: BLS August 2026. Road work: October 11, 2026.

Open Marshall County on the map →

Also on the map: income · hazard risk · Superfund · dams

What is the crime rate in Marshall County?

Police agencies in Marshall County reported an average of 148 violent crimes and 534 property crimes a year from 2021 to 2025. Per 1,000 residents, the violent-crime rate works out to 3.8: 43% higher than the Iowa rate (2.7), and close to the national rate (3.7). Burglary, theft and car theft together come to 13.7 per 1,000 residents, compared with 13.6 across Iowa. Most violent crimes here are aggravated assaults (79%).

Offense (yearly average, 2021-2025)Marshall CountyPer 1,000Iowa per 1,000U.S. per 1,000
Violent crime1483.82.73.7
Murder10.030.020.06
Rape230.590.420.40
Robbery70.180.200.62
Aggravated assault1173.02.02.6
Property crime53413.713.618.1
Burglary932.42.22.4
Larceny-theft38910.09.913.0
Motor vehicle theft521.31.52.6

Most crime never reaches the police, so these are reported crimes, a floor rather than the full count. In 2024 about half of violent crimes (48%) and about 3 in 10 property crimes (31%) were reported to police (U.S. Justice Department, National Crime Victimization Survey). Rates also depend on how completely each agency reports to the FBI. County figures add up the city police and sheriff reports in the county (2 agencies; 97% of residents covered).

What is the median household income in Marshall County?

The median household in Marshall County earns $73,315 a year, close to the Iowa median ($75,059). Owner-occupied homes have a median value of $145,500, and the median rent is $885 a month. 9.2% of households received SNAP benefits in the past year (state: 8.8%). The newest monthly figure from the Bureau of Labor Statistics is 5.5% for August 2026 (preliminary), with 1,085 people out of work and looking.

Census ACS 2020-2024Marshall CountyIowaUnited States
Population40,1143,210,507334,922,499
Median household income$73,315$75,059$80,734
Median home value (owner-occupied)$145,500$208,000$332,700
Median gross rent$885$972$1,413
Unemployment rate (2020-2024 average)4.3%3.6%5.2%
People below the poverty line11.2%11.1%12.5%
Households receiving SNAP (food stamps)9.2%8.8%12.1%
Adults 25+ with a bachelor's degree or higher22.6%31.4%35.7%
Homeowner households75.0%71.7%65.2%
Median age38.538.638.9
Households with broadband internet87.6%88.9%91.0%
People without health insurance5.8%5.0%8.4%

What natural hazards and environmental sites are in Marshall County?

FEMA's National Risk Index rates the overall natural-hazard risk for Marshall County as “Relatively Low”. None of the seven hazards on our map (floods, wildfire, tornadoes, heat, earthquakes, hurricanes) is rated above “Relatively Moderate” here. The index compares counties with each other and also weighs how vulnerable and resilient a community is, so it is a long-run estimate, not a forecast.

Superfund sites

EPA lists no Superfund site in Marshall County, active or completed (October 2026).

Industrial chemical releases

3 facilities in the county filed Toxics Release Inventory reports for 2024, together reporting 300,942 pounds of listed chemicals released on site. Reported releases are legal permitted amounts in most cases.

Disasters, air and water

Marshall County was covered by 4 federal major disaster declarations from 2016 through 2025 (Severe Storm 3, Flood 1), not counting COVID-19. Of 12 community water systems, none had an open health-based drinking-water violation in EPA's records (September 2026). EPA puts the county in radon zone 1 (highest). NHTSA counted 4 traffic deaths in the county in 2024.

Is there road construction in Marshall County?

On October 11, 2026 the state transportation feed listed 1 highway work zone in Marshall County (active that day). Roads listed: IA-330. The map's construction layer is refreshed every morning.

See today's work zones on the map →

How many schools, nursing homes and parks are in Marshall County?

Marshall County has 17 public schools (2024-25) and 0 private schools (2023-24) in federal school lists. 5 nursing homes are certified by Medicare or Medicaid here; star ratings for each are on the map and on Medicare's Care Compare. USGS mapping shows 13 fire or EMS stations and 2 police or sheriff stations.

Gun shops, liquor stores and Planned Parenthood in Marshall County

Gun shops

2 gun shops with a public storefront are on the map in Marshall County, plus 8 more licensed dealers without a public storefront (not shown). On the ATF list: Daryls Gun Shop (State Center) and Theisen's INC (Marshalltown).

Liquor stores

One liquor store is on the map in Marshall County: 7 Rayos Liquor Store (Marshalltown). Iowa has no complete public liquor licence list we can use, so this count also draws on OpenStreetMap and Overture Maps and may miss some stores or include closed ones.

Planned Parenthood

There is no Planned Parenthood health center in Marshall County on the map.

See them on the map: gun shops · liquor stores →

Sources: ATF licensee list (Sept 2026); state liquor licence lists, OpenStreetMap and Overture Maps (non-official; partial in some states); HHS Title X directory and CMS NPPES.

Common questions

What is the crime rate in Marshall County?

Marshall County averaged 148 reported violent crimes a year in 2021-2025, or 3.8 per 1,000 residents, 43% higher than the Iowa rate (2.7). The property-crime rate was 13.7 per 1,000 (FBI Uniform Crime Reporting).

What is the median household income in Marshall County?

$73,315 (Census American Community Survey, 2020-2024 average), compared with $75,059 for Iowa and $80,734 nationally.

What is the unemployment rate in Marshall County?

The newest monthly figure from the Bureau of Labor Statistics is 5.5% for August 2026 (preliminary), with 1,085 people out of work and looking.

What natural hazards affect Marshall County?

FEMA's National Risk Index rates the overall natural-hazard risk for Marshall County as “Relatively Low”. None of the seven hazards on our map (floods, wildfire, tornadoes, heat, earthquakes, hurricanes) is rated above “Relatively Moderate” here.

Is there road construction in Marshall County right now?

On October 11, 2026 the state transportation feed listed 1 highway work zone in Marshall County (active that day). Roads listed: IA-330.

How many nursing homes are in Marshall County?

5 Medicare- or Medicaid-certified nursing homes (CMS provider data, September 2026).

How does Marshall County compare with neighboring counties?

CountyPopulationViolent crimes per 1,000 (2021-25)Median household income
Grundy County12,3840.92$87,205
Hardin County16,6398.3$65,069
Jasper County37,9541.9$71,311
Poweshiek County18,5452.4$67,391
Story County100,4661.4$69,685
Tama County16,8681.9$70,781

More: Iowa statewide numbers · Sex-offender registry search (U.S. Justice Department, NSOPW)

Where do these numbers come from?

Map the Block shows public statistics about places, not people, and does not rate or rank neighborhoods as places to live. Figures are as published by each source; check the source before relying on a number.

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