Postal Codes

51347 ZIP Code

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ZIP code 51347 covers Lake Park, Iowa, with a population of about 1,524 and a median household income of $81,736.

Population
1,52419 per square mile
Median age
41.32.6 points above the US average
Median household income
$81,7361.1× the Iowa median
Poverty rate
4.5%7.9 points below the US average
Typical home value
$254,604up 30.5% in five years
Median rent
$1,0081.1× the Iowa median
Degree or higher
21.4%13.6 points below the US average
Homeownership
88.8%23.8 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
37

Where 51347 is

Lake Park, Iowa — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,524
Median age41.3
Family households63.2%
Born outside the US2.2%
Speaks a language other than English at home1.1%
White (non-Hispanic)93.7%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.9%
Hispanic or Latino3.1%
Veterans5.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$81,736
Income per person$39,037
Poverty rate4.5%
Households on SNAP or cash assistance6.4%

Household income distribution

Under $10k3.3%
$10–15k1.9%
$15–20k3.5%
$20–25k3.5%
$25–30k2.1%
$30–35k1.8%
$35–40k3.2%
$40–45k3.5%
$45–50k7.2%
$50–60k8.8%
$60–75k7.5%
$75–100k14.2%
$100–125k11.5%
$125–150k13.2%
$150–200k10.0%
$200k or more4.8%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed760
Mean adjusted gross income$87,963
Returns declaring $200,000 or more5.3%
Returns, under $25k22.4%
Returns, $25k–$50k23.7%
Returns, $50k–$75k17.1%
Returns, $75k–$100k11.8%
Returns, $100k–$200k19.7%
Returns, $200k or more5.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$180,600
Median gross rent$1,008
Rent as a share of household income26.8%
Owner-occupied88.8%
Vacant homes16.1%
Median year built1963

What the homes are

Detached house92.1%
Attached house2.4%
2 to 4 units0.9%
5 to 19 units2.9%
Mobile home1.6%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$254,604as of 2026-07
Typical home value, 1 yearup 3.9%
Typical home value, 5 yearsup 30.5%
Typical home value, 10 yearsup 64%
Typical home value since 2000
200920172026$254,604$109,273

$109,273 in 2009 to $254,604 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1%
Bachelor's degree or higher21.4%
High school diploma or higher98.8%
Works from home5.7%
Drives to work alone89.5%
Takes public transport0%
Commutes 45 minutes or more5.5%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity36.8% 3.4 pts above the national average of 33.4%
Diagnosed diabetes10.9% 1.1 pts below the national average of 12%
Currently smokes13% same as the national average of 13.2%
High blood pressure35.9% 1.8 pts above the national average of 34.1%
Fair or poor general health15.5% 4.8 pts below the national average of 20.3%
No health insurance (18–64)5.4% 5.9 pts below the national average of 11.3%
Depression19% 2.9 pts below the national average of 21.9%
No leisure-time physical activity22.8% 2.6 pts below the national average of 25.4%
Arthritis28.6% 3.5 pts above the national average of 25.1%
Binge drinking19.2% 3.2 pts above the national average of 16%
Taking blood pressure medication80.7% 6 pts above the national average of 74.7%
Cancer (non-skin)10.8% 3.1 pts above the national average of 7.7%
Current asthma9.8% 0.6 pts below the national average of 10.4%
Coronary heart disease6.9% 0.7 pts above the national average of 6.2%
Routine check-up in past year78.7% 2 pts above the national average of 76.7%
Cholesterol screening87.4% 1.5 pts above the national average of 85.9%
Cognitive disability11.7% 3.1 pts below the national average of 14.8%
Colorectal screening67.7% 3.4 pts above the national average of 64.3%
COPD6.7% same as the national average of 6.6%
Visited a dentist71.9% 10.6 pts above the national average of 61.3%
Any disability27% 3.7 pts below the national average of 30.7%
Lacks emotional support21.6% 3.2 pts below the national average of 24.8%
Food insecurity8.1% 9 pts below the national average of 17.1%
Received food stamps6.5% 7.8 pts below the national average of 14.3%
Hearing disability8.1% 1.4 pts above the national average of 6.7%
High cholesterol36.5% same as the national average of 36.2%
Housing insecurity6.8% 7 pts below the national average of 13.8%
Independent living disability6.4% 2 pts below the national average of 8.4%
Lacks transport4.9% 4.3 pts below the national average of 9.2%
Loneliness29.6% 4.8 pts below the national average of 34.4%
Mammography use77.7% 1.8 pts above the national average of 75.9%
Poor mental health (14+ days)14.6% 2.2 pts below the national average of 16.8%
Mobility disability12.3% 1.7 pts below the national average of 14%
Poor physical health (14+ days)11.9% 1.6 pts below the national average of 13.5%
Self-care disability3% 1 pts below the national average of 4%
Utility shut-off threat4.6% 4.2 pts below the national average of 8.8%
Sleeps under 7 hours31% 5.4 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost9% 4 pts below the national average of 13%
Vision disability3.6% 2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments37
People employed291
Annual payroll$15,100,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 63.9% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss73.7 out of 100
Community resilience79.8 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather96.9Very High at its worst in this ZIP code
Hail95.7Relatively High at its worst in this ZIP code
Drought93.6Relatively Moderate at its worst in this ZIP code
Ice storm89.5Relatively Moderate at its worst in this ZIP code
Landslide85.4Relatively Low at its worst in this ZIP code
Tornado84Relatively High at its worst in this ZIP code
Wildfire83.5Relatively Low at its worst in this ZIP code
Strong wind82.2Relatively Moderate at its worst in this ZIP code
Cold wave80.3Relatively High at its worst in this ZIP code
River flooding73.5Relatively Moderate at its worst in this ZIP code
Lightning34.7Relatively Low at its worst in this ZIP code
Heat wave29.3Relatively Low at its worst in this ZIP code
Earthquake10.1Very Low at its worst in this ZIP code
Compared with Iowa and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPIowaUnited States
Median household income$81,736$73,147$78,538
Income per person$39,037$39,728$43,289
Poverty rate4.5%11%12.4%
Median home value$180,600$195,900$303,400
Median gross rent$1,008$949$1,348
Homeownership88.8%71.5%65%
Bachelor's degree or higher21.4%30.9%35%
Unemployment rate1%3.6%5.2%
Works from home5.7%10.4%13.5%
Born outside the US2.2%5.7%13.9%
Median age41.338.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationLAKE PARK, IA US0.4 km away
Rain in a year31 in
Snow in a year41 in

Average high and low by month

January24.1°F / 5.7°F0.82 in rain, 8.4 in snow
February28.5°F / 9.7°F0.84 in rain, 8.7 in snow
March41.6°F / 22°F1.67 in rain, 6.3 in snow
April57.1°F / 34.3°F3.37 in rain, 3.4 in snow
May70°F / 47.4°F4.59 in rain
June81.1°F / 59.3°F5.04 in rain
July85.2°F / 62.9°F3.81 in rain
August82.5°F / 60.1°F3.5 in rain
September75.6°F / 51.1°F2.91 in rain
October60.8°F / 37.7°F2.39 in rain, 0.6 in snow
November43.4°F / 23.9°F1.49 in rain, 4.4 in snow
December29.2°F / 12.1°F0.98 in rain, 9.2 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Harris-Lake Park Community School District96.3% of this ZIP code's land area
Okoboji Community School District3.4% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability9more vulnerable than 9% of US census tracts
Socioeconomic status13more vulnerable than 13% of US census tracts
Household characteristics8more vulnerable than 8% of US census tracts
Racial and ethnic minority status11more vulnerable than 11% of US census tracts
Housing type and transport30more vulnerable than 30% of US census tracts
Walkability5.7 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

51345 Harris, IA9.9 km away
51355 Okoboji, IA16.2 km away
56167 Round Lake, MN16.6 km away
51360 Spirit Lake, IA17 km away
51354 Ocheyedan, IA17.2 km away
51331 Arnolds Park, IA18.1 km away
51351 Milford, IA19 km away
56150 Lakefield, MN25.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Dickinson County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area81.04 sq mi
Water area1.95 sq mi
Population density19 people per sq mi
Latitude, longitude43.4452, -95.3216

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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