Checked
Marengo, IA
City in Iowa County, Iowa.
Population
2,725
Land area
2.1sq mi
People per sq mi
1,288
ZIP codes
0
Marengo and its ZIP codes
Marengo at a glance
- Marengo is about 22 times as dense as Iowa as a whole.
- By population, it ranks 132nd among 1,017 cities and towns in Iowa.
- The median household income is $57,941, 23% below the Iowa median of $75,059.
- A typical owner-occupied home is valued at $123,200 (41% below Iowa) and median rent is $700 a month.
Local data for Marengo, IA
Counts from official public data
Housing and community stats
Marengo, IA, American Community Survey 2020-2024
Median household income
$57,941
Poverty rate
13.2%
Median home value
$123,200
Median rent
$700/mo
Homeownership
69.2%
Bachelor's or higher
12.9%
Median age
39.6
Average commute
20.2 min
Largest reported origins and ancestries: German Americans (996), Irish Americans (456), Dutch Americans (66).
Economy and federal money
Jobs, pay, income and spending are for Iowa County. PPP loans are for Marengo.
Unemployment rate
3.3%
Aug 2026, -3.0 pts in a year
Average annual pay
$51,403
8,382 jobs, 2025
Income per person
$63,456
BEA, 2024
Federal spending
$123M
FY 2026, $7,410 per person
How people get to work
Marengo, IA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone81.1%
- Carpooled9.0%
- Public transit0.0%
- Walked3.5%
- Bicycle0.3%
- Taxi, ride-hailing, motorcycle or other0.4%
- Worked from home5.7%
Average one-way commute: 20.2 minutes for people who do not work from home.
Environment and hazard risk
Marengo, IA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: strong wind
Storm events since 1996
540
Countywide, mostly thunderstorm wind
Flood insurance policies
98
0.8% of homes, county
July high / Jan low
84° / 10°F
37.7 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Marengo, IA, CDC PLACES estimates
Obesity
44.4%
U.S. 33.3% +11.1 pts
Diabetes
12.4%
U.S. 12.1% about the same
Smoking
16.5%
U.S. 12.8% +3.7 pts
Uninsured (18-64)
7.8%
U.S. 11.1% -3.3 pts
Cities near Marengo
| Name | Distance | Land area (sq mi) |
|---|---|---|
| West AmanaCensus-designated place | 5.3 mi | 0.3 |
| South AmanaCensus-designated place | 5.8 mi | 1.4 |
| ConroyCensus-designated place | 6 mi | 0.8 |
| High AmanaCensus-designated place | 6.4 mi | 0.4 |
| LadoraCity | 6.7 mi | 0.3 |
| BlairstownCity | 7.6 mi | 0.5 |
| WatkinsCensus-designated place | 7.9 mi | 0.4 |
| Middle AmanaCensus-designated place | 8.5 mi | 1 |
| WilliamsburgCity | 9.1 mi | 3.4 |
| LuzerneCity | 9.6 mi | 0.1 |
| AmanaCensus-designated place | 9.8 mi | 1 |
| HomesteadCensus-designated place | 10 mi | 1.3 |
| NorwayCity | 11 mi | 0.4 |
| East AmanaCensus-designated place | 11 mi | 0.4 |
| VictorCity | 13 mi | 0.5 |
| Belle PlaineCity | 13 mi | 3.2 |
Frequently asked questions
- What county is Marengo, IA in?
- Marengo is in Iowa County, Iowa.
- What is the population of Marengo, IA?
- About 2,725 people live in Marengo, based on American Community Survey 5-year estimates.
- What cities are near Marengo?
- Nearby places include West Amana (5.3 mi), South Amana (5.8 mi), Conroy (6 mi), High Amana (6.4 mi), Ladora (6.7 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023