Checked
Le Mars, IA
City in Plymouth County, Iowa.
Population
10,640
Land area
8.8sq mi
People per sq mi
1,211
ZIP codes
0
Le Mars and its ZIP codes
Le Mars at a glance
- Le Mars is about 21 times as dense as Iowa as a whole.
- By population, it ranks 39th among 1,017 cities and towns in Iowa.
- The median household income is $74,701, close to the Iowa median.
- A typical owner-occupied home is valued at $219,200 (5% above Iowa) and median rent is $929 a month.
Local data for Le Mars, IA
Counts from official public data
Housing and community stats
Le Mars, IA, American Community Survey 2020-2024
Median household income
$74,701
Poverty rate
9.2%
Median home value
$219,200
Median rent
$929/mo
Homeownership
61.5%
Bachelor's or higher
21.1%
Median age
39.0
Average commute
16.3 min
Largest reported origins and ancestries: German Americans (3,710), Irish Americans (1,249), Mexican Americans (835).
Economy and federal money
Jobs, pay, income and spending are for Plymouth County. PPP loans are for Le Mars.
Unemployment rate
2.7%
Sep 2026, +0.3 pts in a year
Average annual pay
$62,434
11,642 jobs, 2025
Income per person
$69,887
BEA, 2024
Federal spending
$171M
FY 2026, $6,645 per person
How people get to work
Le Mars, IA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone82.0%
- Carpooled12.2%
- Public transit0.6%
- Walked0.8%
- Bicycle0.4%
- Taxi, ride-hailing, motorcycle or other0.8%
- Worked from home3.2%
Average one-way commute: 16.3 minutes for people who do not work from home.
Environment and hazard risk
Le Mars, IA, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: hail
Storm events since 1996
868
Countywide, mostly hail
Flood insurance policies
20
0.2% of homes, county
July high / Jan low
85° / 7°F
30.0 inches of rain a year
Hazards, floods and storm historyCheck a flood zone6 historic places
Health statistics
Share of adults in Le Mars, IA, CDC PLACES estimates
Obesity
39.6%
U.S. 33.3% +6.3 pts
Diabetes
10.6%
U.S. 12.1% -1.5 pts
Smoking
14.5%
U.S. 12.8% +1.7 pts
Uninsured (18-64)
7.5%
U.S. 11.1% -3.6 pts
Cities near Le Mars
| Name | Distance | Land area (sq mi) |
|---|---|---|
| BrunsvilleCity | 5.3 mi | 0.2 |
| MerrillCity | 5.9 mi | 0.5 |
| OyensCity | 6.4 mi | 0.1 |
| StrubleCity | 8 mi | 0.2 |
| RemsenCity | 10 mi | 1.5 |
| CraigCity | 11 mi | 0.1 |
| MauriceCity | 13 mi | 0.6 |
| HintonCity | 13 mi | 0.9 |
| IretonCity | 15 mi | 1 |
| Orange CityCity | 16 mi | 4.6 |
| AltonCity | 17 mi | 1.9 |
| KingsleyCity | 17 mi | 1.6 |
| MarcusCity | 19 mi | 1.5 |
| ChatsworthCity | 20 mi | 0.5 |
| AkronCity | 20 mi | 1.2 |
| Sioux CenterCity | 20 mi | 6.4 |
Frequently asked questions
- What county is Le Mars, IA in?
- Le Mars is in Plymouth County, Iowa.
- What is the population of Le Mars, IA?
- About 10,640 people live in Le Mars, based on American Community Survey 5-year estimates.
- What cities are near Le Mars?
- Nearby places include Brunsville (5.3 mi), Merrill (5.9 mi), Oyens (6.4 mi), Struble (8 mi), Remsen (10 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023