Le Mars, IA demographics:
population, income, and more

Total population
10,640
0.4% year-over-year change
Median household income
$74,701/yr
3.2% year-over-year change
Housing units
4,512
-0.2% year-over-year change

Le Mars population

How many people live in Le Mars

Le Mars is home to 10,640 residents, according to the most recent Census data. Gender-wise, 48.9% of Le Mars locals are male, and 51.1% are female.

Total population
10,640
0.4% year-over-year change
Gender ratio
Male
48.9%
5,203
Female
51.1%
5,437
Value Percent YoY change
Male 5,203 48.9% -0.7%
Female 5,437 51.1% 1.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Le Mars is 39, with the population distributed as follows: about 20.8% are children under 15, then 12.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 25.1% of the population, while another 23.3% fall into the 45 to 64 bracket. Finally, around 18% are 65 or older.

Median age
39
Age breakdown
Under 15
20.8%
15 to 24
12.7%
25 to 44
25.1%
45 to 64
23.3%
Over 65
18%
Value Percent YoY change
Under 15 2,216 20.8% 3.8%
15 to 24 1,354 12.7% -6.1%
25 to 44 2,671 25.1% 6.2%
45 to 64 2,481 23.3% -5.1%
Over 65 1,918 18% 1.4%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Le Mars, 91.9% of the population are US-born citizens, while 4% have gained naturalized citizenship. At the same time, 4.1% of residents are non-citizens. There’s also a share of 6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
91.9%
Non-U.S.-born citizens
4%
Non-citizens
4.1%
Value Percent YoY change
U.S.-born citizens 9,776 91.9% 1.1%
Non-U.S.-born citizens 429 4% -11.6%
Non-citizens 435 4.1% -2.0%
Racial breakdown
White
83.2%
Black or African American
5.6%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0.7%
Two or more races
6%
Other
4.5%
Value Percent
White 8,851 83.2%
Black or African American 590 5.6%
American Indian and Alaska Native 5 0%
Asian 5 0%
Native Hawaiian and other Pacific Islander 71 0.7%
Two or more races 636 6%
Other 482 4.5%

Households in Le Mars

A peek inside Le Mars households

Le Mars has 4,342 households, with an average of 2 members in each. Of these, 64.9% are families, while the remaining 35.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
4,342
-0.3% year-over-year change
Average people per household
2
Non-family households
1,525
Family households
2,817
Value Percent YoY change
Non-family households 1,525 35.1% -0.4%
Family households 2,817 64.9% -0.3%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Le Mars

The housing landscape of Le Mars

Le Mars's housing consists of 4,512 units, with 63.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 4.6% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 6.4% of the housing landscape.

Housing units
4,512
-0.2% year-over-year change
Housing types
Value Percent
1 unit, detached 2,861 63.4%
1 unit, attached 210 4.6%
2 units 35 0.8%
3 or 4 units 384 8.5%
5 to 9 units 196 4.3%
10 to 19 units 435 9.6%
20 to 49 units 100 2.2%
Mobile home 291 6.4%
Homes built since 2020
112
27.3% year-over-year change

The age of buildings in Le Mars

In Le Mars, the median construction year is 1975. About 17.4% of homes were built before the 1940s, with another 2% going up by 1949. Most development happened in the second half of the 20th century. Then, 7.2% of homes were added from 2000 to 2009, 7.8% between 2010 and 2019, and 2.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 783 17.4% -7.1%
Built between 1940 and 1949 91 2% 9.6%
Built between 1950 and 1959 580 12.8% 34.9%
Built between 1960 and 1969 459 10.2% -3.2%
Built between 1970 and 1979 712 15.8% -18.8%
Built between 1980 and 1989 543 12% 34.1%
Built between 1990 and 1999 558 12.4% -14.7%
Built between 2000 and 2009 323 7.2% -0.3%
Built between 2010 and 2019 351 7.8% 2.3%
Built in 2020 or later 112 2.5% 27.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Le Mars occupancy rates

Out of the 4,342 occupied housing units in Le Mars, 61.5% are owner-occupied, while 38.5% are lived in by tenants. Meanwhile, 3.8% of all homes on the local market sit vacant.

Occupied housing units
4,342
-0.3% year-over-year change
Occupancy breakdown
Renter occupied
1,673
Owner occupied
2,669
Value Percent YoY
change
Renter occupied 1,673 38.5% 1.6%
Owner occupied 2,669 61.5% -1.5%
Unoccupied housing units
3.8%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Le Mars housing costs

Housing costs in Le Mars come to a median of $917 per month, while tenants specifically pay a median gross rent of $929.

Median housing costs per month
$917/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Le Mars
$929/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Le Mars

Le Mars education at a glance

About 40.4% of the population in Le Mars went to high school, while 23.3% pursued college studies. Another 14% earned an associate degree and 15.6% hold a bachelor’s. Meanwhile, 4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 220 2.8% 21.6%
High school diploma 3,215 40.4% 3.7%
College diploma 1,854 23.3% 6.2%
Associate degree 1,115 14% -0.2%
Bachelor's degree 1,245 15.6% -10.3%
Graduate degree 315 4% -17.8%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Le Mars

How much people earn in Le Mars

The average annual household income in Le Mars was $90,260 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -0.1% change from the previous year. At the same time, the median income stood at $74,701, reflecting a +3.2% shift over the same period.

Average household income in Le Mars
$90,260/year
-0.1% year-over-year change
Median household income in Le Mars
$74,701/year
3.2% year-over-year change

Le Mars income by age

In Le Mars, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $88,983. Those with someone between 45 and 64 in charge, often well established professionally, earn $86,754 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $62,702, while those led by someone over 65, many of whom may be retired, have about $42,768 in earnings. Overall, 90.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $62,702 4.3%
25 - 44 $88,983 3.2%
45 - 64 $86,754 3.1%
Over 65 $42,768 13.5%
Above poverty level
9,474
Below poverty level
950
Value Percent YoY
change
Above poverty level 9,474 90.9% -0.2%
Below poverty level 950 9.1% 3.6%

Average renter income in Le Mars

To get a better sense of what renters earn on average in Le Mars, their median household income was $60,053 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 18.6%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$60,053
Rent-to-income ratio
18.6%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Le Mars

Workforce and job types in Le Mars

The job market in Le Mars is powered by 5,662 working residents, spread across a range of industries and roles. 64.5% of the working population are employed in professional or administrative positions, while 35.5% are in hands-on or service-based jobs. Also, 8.2% run their own businesses, 66.4% are employed by private companies, and 13.6% work in the public sector.

Workforce demographics

Working population
5,662
0.2% year-over-year change
White collar
3,651
Blue collar
2,011
Value Percent YoY change
White collar 3,651 64.5% 2.7%
Blue collar 2,011 35.5% -4.2%
Employer type
Self employees
8.2%
Private companies
66.4%
Governmental workers
13.6%
Not for profit companies
11.8%
Value Percent YoY change
Self employees 467 8.2% -4.7%
Private companies 3,759 66.4% -0.7%
Governmental workers 770 13.6% 4.6%
Not for profit companies 666 11.8% 3.7%
Unemployment rate
2.8%
90.8% year-over-year change

Available workforce

The unemployment rate in Le Mars stands at 2.8%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Le Mars

How people get around in Le Mars

Commuting methods vary: 94.2% of residents travel by personal vehicle and 0.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 5,251 94.2% -0.4%
Bus or trolleybus 34 0.6% 21.4%
Motorcycle 8 0.1% -11.1%
Bicycle 21 0.4% 110.0%
Walk 43 0.8% -53.8%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Le Mars by zipcode?

Zipcode Population Number of households Median income Average income
51031 12,808 5,217 $76,525 $92,229

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FAQs about Le Mars demographics 

What is the total population of Le Mars?

Le Mars has a total population of 10,640 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.4% compared to a year ago.

What is the gender ratio in Le Mars?

The gender ratio in Le Mars is as follows:
  • 48.9% males (5,203 residents)
  • 51.1% females (5,437 residents)

What is the median age in Le Mars?

The median age in Le Mars is 39.

What is the age distribution of the population in Le Mars?

The age distribution in Le Mars is as follows:
  • Under 15: 20.8% (2,216 residents)
  • Ages 15-24: 12.7% (1,354 residents)
  • Ages 25-44: 25.1% (2,671 residents)
  • Ages 45-64: 23.3% (2,481 residents)
  • Over 65: 18% (1,918 residents)

What is the racial and ethnic makeup of Le Mars?

The racial and ethnic makeup of Le Mars is as follows:
  • White: 83.2% (8,851 residents)
  • Black or African American: 5.6% (590 residents)
  • American Indian and Alaska Native: 0% (5 residents)
  • Asian: 0% (5 residents)
  • Native Hawaiian and Other Pacific Islander: 0.7% (71 residents)
  • Two or More Races: 6% (636 residents)
  • Other: 4.5% (482 residents)

What percentage of the population in Le Mars are U.S.-born citizens?

U.S.-born citizens represent 91.9% of the population in Le Mars.

How many housing units are there in Le Mars?

There are 4,512 housing units in Le Mars, reflecting a -0.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Le Mars and what is the average household size?

Le Mars has a total of 4,342 households, with an average of 2 people in each.

What is the median household income in Le Mars?

Le Mars has a median household income of $74,701, representing a +3.2% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Le Mars?

The employment rate is 97.2% in Le Mars, with a workforce of 5,662 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 64.5% (3,651 residents)
  • Blue-collar workers: 35.5% (2,011 residents)

Places of employment:
  • Self-employed: 8.2% (467 residents)
  • Private companies: 66.4% (3,759 residents)
  • Governmental workers: 13.6% (770 residents)
  • Not-for-profit companies: 11.8% (666 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025