51031 ZIP Code
Le Mars, Iowa
December 14, 2025
| ZIP Code: | 51031 |
| City/Town: | Le Mars |
| County: | Plymouth |
| State: | Iowa |
| ZIP Type: | Standard |
| Population: | 12,595 |
| Median Household Income: | $75,540 |
| Per Capita Income: | $46,691 |
| Total Housing Units: | 5,409 |
| Median Home Value: | $190,300 |
| Land Area: | 234.1 sq miles
606.4 sq km |
| Water Area: | 0.0 sq miles
0.0 sq km |
| Coordinates: | 42.8032, -96.1864 |
Population Information (51031 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 12,595 | -- | -- |
| Male: | 6,362 | 50.5% | 49.6% |
| Female: | 6,233 | 49.5% | 50.4% |
| Median Age: | 39.5 yrs | -- | 38.5 yrs |
| Under 5 years: | 765 | 6.1% | 5.7% |
| 5 to 9 years: | 938 | 7.4% | 6.0% |
| 10 to 14 years: | 916 | 7.3% | 6.5% |
| 15 to 19 years: | 837 | 6.6% | 6.6% |
| 20 to 24 years: | 737 | 5.9% | 6.7% |
| 25 to 34 years: | 1,425 | 11.3% | 13.7% |
| 35 to 44 years: | 1,568 | 12.4% | 12.9% |
| 45 to 54 years: | 1,635 | 13.0% | 12.4% |
| 55 to 59 years: | 700 | 5.6% | 6.5% |
| 60 to 64 years: | 874 | 6.9% | 6.4% |
| 65 to 74 years: | 1,247 | 9.9% | 9.7% |
| 75 to 84 years: | 501 | 4.0% | 4.8% |
| 85 years and over: | 452 | 3.6% | 2.0% |
Housing Information (51031 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $190,300 | -- | $281,900 |
| Median rooms: | 6.0 | -- | 5.5 |
| Median rent: | $835 / mo. | -- | $1,268 / mo. |
| Total housing units: | 5,409 | -- | -- |
| Occupied housing units: | 5,128 | 94.8% | 38.0% |
| Vacant housing units: | 281 | 5.2% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 3,562 | 69.5% | 64.8% |
| Renter-occupied: | 1,566 | 30.5% | 35.2% |
Educational Attainment (51031 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 8,402 | -- | -- |
| Less than 9th grade: | 268 | 3.2% | 4.7% |
| 9th to 12th grade, no diploma: | 160 | 1.9% | 6.1% |
| High school graduate: | 2,949 | 35.1% | 26.4% |
| Some college, no degree: | 1,638 | 19.5% | 19.7% |
| Associate degree: | 1,222 | 14.5% | 8.7% |
| Bachelor's degree: | 1,573 | 18.7% | 20.9% |
| Graduate or professional degree: | 592 | 7.0% | 13.7% |
| Percent high school graduate or higher: | -- | 94.9% | 89.1% |
| Percent bachelor's degree or higher: | -- | 25.8% | 34.3% |
Income Information (51031 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $75,540 / yr. | $75,149 / yr. |
| Mean household income: | $93,043 / yr. | $105,833 / yr. |
| Median family income: | $89,096 / yr. | $92,646 / yr. |
| Per capita income: | $46,691 / yr. | $41,261 / yr. |
Employment (51031 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 6,914 | -- | 63.5% |
| Employed: | 6,741 | 97.8% | 96.4% |
| Unemployed: | 154 | 2.2% | 5.3% |
| Not in labor force: | 2,826 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 5,611 | 83.2% | 79.7% |
| Government workers: | 772 | 11.5% | 14.2% |
| Self-employed: | 358 | 5.3% | 5.9% |
| Unpaid family workers: | 0 | 0.0% | 0.1% |
Race & Ethnicity (51031 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 11,436 | 90.8% | 61.6% |
| Black or African American: | 392 | 3.1% | 12.4% |
| American Indian/Alaska Native: | 18 | 0.1% | 1.1% |
| Asian: | 20 | 0.2% | 6.0% |
| Native Hawaiian/Pacific Islander: | 97 | 0.8% | 0.2% |
| Some other race: | 351 | 2.8% | 8.4% |
| Two or more races: | 281 | 2.2% | 10.2% |
| Hispanic or Latino (any race): | 506 | 4.0% | 18.7% |
| Mexican: | 966 | 7.7% | 11.2% |
| Puerto Rican: | 651 | 5.2% | 1.8% |
| Cuban: | 0 | 0.0% | 0.7% |
| Other Hispanic or Latino: | 0 | 0.0% | 5.0% |
| Not Hispanic or Latino: | 315 | 2.5% | 81.1% |
Income Distribution (51031 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 153 | 3.0% | 4.9% |
| $10,000 to $14,999: | 166 | 3.2% | 3.8% |
| $15,000 to $24,999: | 405 | 7.9% | 7.0% |
| $25,000 to $34,999: | 250 | 4.9% | 7.4% |
| $35,000 to $49,999: | 448 | 8.7% | 10.7% |
| $50,000 to $74,999: | 1,115 | 21.7% | 16.1% |
| $75,000 to $99,999: | 944 | 18.4% | 12.8% |
| $100,000 to $149,999: | 885 | 17.3% | 17.1% |
| $150,000 to $199,999: | 360 | 7.0% | 8.8% |
| $200,000 or more: | 402 | 7.8% | 11.4% |
Commute to Work (51031 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 5,356 | 79.5% | 67.8% |
| Carpooled: | 650 | 9.6% | 8.7% |
| Public transportation: | 0 | 0.0% | 4.2% |
| Walked: | 250 | 3.7% | 2.5% |
| Other means: | 58 | 0.9% | 0.9% |
| Worked from home: | 382 | 5.7% | 13.8% |
| Mean travel time to work: | 16.5 min | -- | 26.7 min |
Industry (51031 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 459 | 6.8% | 1.6% |
| Construction: | 303 | 4.5% | 6.9% |
| Manufacturing: | 1,622 | 24.1% | 10.0% |
| Wholesale trade: | 170 | 2.5% | 2.4% |
| Retail trade: | 589 | 8.7% | 11.0% |
| Transportation, warehousing, utilities: | 573 | 8.5% | 5.8% |
| Information: | 121 | 1.8% | 1.9% |
| Finance, insurance, real estate: | 352 | 5.2% | 6.7% |
| Professional, scientific, management: | 371 | 5.5% | 12.1% |
| Education, health care, social services: | 1,304 | 19.3% | 23.3% |
| Arts, entertainment, food services: | 280 | 4.2% | 9.0% |
| Other services: | 352 | 5.2% | 4.7% |
| Public administration: | 245 | 3.6% | 4.7% |
Poverty Status (51031 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 6.3% | 8.8% |
| All people below poverty level: | -- | -- | -- |
| Under 18 years: | -- | -- | 16.3% |
| 18 to 64 years: | -- | -- | 11.0% |
| 65 years and over: | -- | -- | 10.3% |
Health Insurance (51031 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 11,681 | 92.7% | 91.3% |
| Private health insurance: | 9,779 | 77.6% | 67.6% |
| Public health coverage: | 3,695 | 29.3% | 35.9% |
| Without health insurance: | 754 | 6.0% | 8.7% |
Benefits & Assistance (51031 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 3,987 | 77.7% | 77.4% |
| Social Security income: | 1,749 | 34.1% | 31.0% |
| Retirement income: | 1,005 | 19.6% | 21.8% |
| Supplemental Security Income (SSI): | 206 | 4.0% | 4.5% |
| Cash public assistance income: | 113 | 2.2% | 1.8% |
| SNAP (food stamps) benefits: | 307 | 6.0% | 11.4% |
Housing Types (51031 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 3,674 | 67.9% | 61.4% |
| 1-unit, attached: | 238 | 4.4% | 6.1% |
| 2 units: | 56 | 1.0% | 3.4% |
| 3 or 4 units: | 336 | 6.2% | 4.3% |
| 5 to 9 units: | 337 | 6.2% | 4.6% |
| 10 to 19 units: | 252 | 4.7% | 4.3% |
| 20 or more units: | 165 | 3.1% | 9.9% |
| Mobile home: | 351 | 6.5% | 5.8% |
| Boat, RV, van, etc.: | 0 | 0.0% | 0.1% |
Year Structure Built (51031 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 29 | 0.5% | 0.6% |
| Built 2010 to 2019: | 390 | 7.2% | 8.2% |
| Built 2000 to 2009: | 436 | 8.1% | 13.5% |
| Built 1990 to 1999: | 688 | 12.7% | 13.2% |
| Built 1980 to 1989: | 397 | 7.3% | 13.2% |
| Built 1970 to 1979: | 1,028 | 19.0% | 14.6% |
| Built 1960 to 1969: | 516 | 9.5% | 10.2% |
| Built 1950 to 1959: | 445 | 8.2% | 9.9% |
| Built 1940 to 1949: | 169 | 3.1% | 4.6% |
| Built 1939 or earlier: | 1,311 | 24.2% | 12.0% |
Bedrooms (51031 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 71 | 1.3% | 2.4% |
| 1 bedroom: | 344 | 6.4% | 3.0% |
| 2 bedrooms: | 1,671 | 30.9% | 9.1% |
| 3 bedrooms: | 1,736 | 32.1% | 15.9% |
| 4 bedrooms: | 1,137 | 21.0% | 18.8% |
| 5 or more bedrooms: | 450 | 8.3% | 17.6% |
Heating Fuel (51031 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 2,818 | 55.0% | 47.1% |
| Bottled, tank, or LP gas: | 507 | 9.9% | 4.9% |
| Electricity: | 1,710 | 33.3% | 40.2% |
| Fuel oil, kerosene, etc.: | 40 | 0.8% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 0 | 0.0% | 1.5% |
| Solar energy: | 4 | 0.1% | 0.1% |
| Other fuel: | 40 | 0.8% | 0.5% |
| No fuel used: | 9 | 0.2% | 0.2% |
Vehicles Available (51031 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 254 | 5.0% | 8.3% |
| 1 vehicle available: | 1,506 | 29.4% | 32.6% |
| 2 vehicles available: | 2,092 | 40.8% | 37.0% |
| 3 or more vehicles available: | 1,276 | 24.9% | 22.1% |
Home Value Distribution (51031 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 249 | 7.0% | 5.7% |
| $50,000 to $99,999: | 251 | 7.0% | 7.8% |
| $100,000 to $149,999: | 587 | 16.5% | 9.2% |
| $150,000 to $199,999: | 865 | 24.3% | 10.8% |
| $200,000 to $299,999: | 745 | 20.9% | 19.9% |
| $300,000 to $499,999: | 753 | 21.1% | 24.1% |
| $500,000 to $999,999: | 112 | 3.1% | 17.0% |
| $1,000,000 or more: | 0 | 0.0% | 5.6% |
Housing Costs (51031 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $1,359 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $494 / mo. | $584 / mo. |
| Median gross rent: | $835 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 2.70 | 2.53 |
| Average household size (renter-occupied): | 1.78 | 2.38 |
Households (51031 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 5,128 | -- | -- |
| Married-couple households: | 2,871 | 56.0% | 47.5% |
| Cohabiting couple households: | 1,298 | 25.3% | 7.0% |
| Male householder, no spouse: | 928 | 18.1% | 5.4% |
| Female householder, no spouse: | 1,143 | 22.3% | 12.7% |
| Householder living alone: | 1,691 | 33.0% | 28.6% |
| 65 years and over living alone: | 1,636 | 31.9% | 11.8% |
| Average household size: | 2.42 | -- | 2.53 |
| Average family size: | 3.04 | -- | -- |
Marital Status (51031 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 5,126 | -- | -- |
| Never married: | 1,541 | 30.1% | 37.0% |
| Now married: | 3,070 | 59.9% | 49.5% |
| Separated: | 152 | 3.0% | 1.5% |
| Widowed: | 323 | 6.3% | 2.6% |
| Divorced: | 951 | 18.6% | 9.3% |
School Enrollment (51031 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 3,099 | -- | -- |
| Nursery school, preschool: | 352 | 11.4% | 5.8% |
| Kindergarten: | 361 | 11.6% | 5.0% |
| Elementary school (grades 1-8): | 1,170 | 37.8% | 40.5% |
| High school (grades 9-12): | 798 | 25.8% | 21.4% |
| College or graduate school: | 418 | 13.5% | 27.3% |
Veterans & Disability (51031 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 9,366 | -- | -- |
| Veterans: | 724 | 7.7% | 6.3% |
| Civilian noninstitutionalized population: | 12,435 | -- | -- |
| With a disability: | 1,664 | 13.4% | 13.4% |
| Under 18 with disability: | 49 | 2.9% | 5.8% |
| 18 to 64 with disability: | 777 | 46.7% | 10.4% |
| 65 and over with disability: | 838 | 50.4% | 33.4% |
Mobility (Residence 1 Year Ago) (51031 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 11,036 | 87.6% | 86.9% |
| Different house: | 1,490 | 11.8% | 13.1% |
| Same county: | 835 | 56.0% | 7.0% |
| Different county: | 655 | 44.0% | 3.2% |
| Different state: | 218 | 14.6% | 2.5% |
| Abroad: | 0 | 0.0% | 0.4% |
Place of Birth (51031 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 11,796 | 93.7% | 86.2% |
| Foreign born: | 167 | 1.3% | 13.9% |
| Naturalized citizen: | 799 | 478.4% | 52.7% |
| Not a citizen: | 799 | 478.4% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 799 | 478.4% | 10.5% |
| Asia: | 0 | 0.0% | 31.3% |
| Africa: | 250 | 149.7% | 5.5% |
| Oceania: | 66 | 39.5% | 0.5% |
| Latin America: | 463 | 277.2% | 50.0% |
| Northern America: | 0 | 0.0% | 2.2% |
Language Spoken at Home (51031 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 11,830 | -- | -- |
| English only: | 10,520 | 88.9% | 78.3% |
| Language other than English: | 1,310 | 11.1% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 791 | 6.7% | 13.3% |
| Other Indo-European languages: | 86 | 0.7% | 3.5% |
| Asian/Pacific Island languages: | 86 | 0.7% | 3.5% |
| Other languages: | 347 | 2.9% | 1.0% |
Computers & Internet (51031 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 5,128 | 100.0% | 93.1% |
| Households with broadband internet: | 4,752 | 92.7% | 89.4% |
Le Mars, IA51031