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Iowa ZIP Codes
Cherokee County
Marcus, IA
51035
51035 ZIP Code — Marcus, IA
Cherokee County, Iowa
ZIP code 51035 is located in
Marcus ,
Iowa ,
within Cherokee County .
It covers approximately 106.18 square miles and serves a population of
1,577 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 712 .
About ZIP code 51035
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $177,800. Owner-occupancy is high at 78%, well above the national average.
The gap between median ($74,554) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average. 43% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 18 minutes is near the national average.
Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.
Overall, ZIP code 51035 reflects a community defined by high homeownership and a significant Social Security-dependent population.
51035 ZIP code map
View map of 51035
Cities in ZIP code 51035
Below are the cities the US Postal Service accepts for ZIP code 51035. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,577
Population density
15 / sq mi
State FIPS
19
County FIPS
035
Geography
Land area
106.18 sq mi
Water area
0.00 sq mi
Latitude
42.7712
Longitude
-95.7908
Timezone
Central (CT)
Area code
712
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
35.3%
44.2%
40.1%
$50k – $100k
36.9%
32.9%
33.4%
$100k – $200k
19.8%
18.9%
21.5%
Over $200k
8.0%
3.9%
5.0%
Demographics & statistics
$74,554
Median household income
$177,800
Median home value
27.1%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 315 20.0% 18 and over 1,262 80.0% 65 and over 391 24.8% Median age 42.9 years
Race & ethnicity
Black or African American
8.8%
Group Count % White 1,369 84.2% Black or African American 143 8.8% Two or more races 50 3.1% Hispanic or Latino 48 3% Other race 15 0.9%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
35.3%
44.2%
40.1%
$50k – $100k
36.9%
32.9%
33.4%
$100k – $200k
19.8%
18.9%
21.5%
Over $200k
8.0%
3.9%
5.0%
Range % of households Under $10k 5.7% $10k–$15k 1.8% $15k–$25k 9.1% $25k–$35k 8.5% $35k–$50k 7.3% $50k–$75k 18.0% $75k–$100k 12.8% $100k–$150k 19.7% $150k–$200k 5.0% $200k+ 12.1% Median income $74,554
Housing
Housing overview
Metric Value Median home value $177,800 Median rent / month $723 Owner occupied 78.4% Renter occupied 21.6% Vacant 12.1% Single-family detached 88.5% Large apartment buildings 0.0% Mobile homes 0.0% Median rooms 6.8 Avg household size (owned) 2.20
Year built
Era % 2020 or later 0.0% 2010–2019 3.8% 2000–2009 5.1% 1990–1999 4.8% 1980–1989 9.8% 1970–1979 10.2% 1960–1969 5.1% 1950–1959 11.5% 1940–1949 8.8% 1939 or earlier 40.8%
Bedrooms
Size % of units No bedroom (studio) 6.3% 1 bedroom 6.1% 2 bedrooms 20.5% 3 bedrooms 41.9% 4 bedrooms 20.7% 5+ bedrooms 4.5%
Vehicles per household
Vehicles % of households No vehicle 8.9% 1 vehicle 23.3% 2 vehicles 37.4% 3 or more 30.4%
Heating fuel
Fuel type % Utility gas 52.3% Electricity 27.3% Propane / LP gas 15.6% Fuel oil 2.2% Wood 1.8% No fuel used 0.7%
Households & families
Household type Count % Married-couple family 343 47.8% Cohabiting couple 55 7.7% Male householder, no spouse 136 19.0% Female householder, no spouse 183 25.5% Households with children under 18 119 16.6% Households with seniors (65+) 304 42.4% Average household size 2.15
Marital status
Status Male Female Never married 29.1% 21.4% Married 59.3% 50.5% Separated 0.0% 0.0% Widowed 4.4% 17.8% Divorced 7.2% 10.3%
Education
Some college, no degree
18.4%
Graduate / professional
8.9%
Metric % HS diploma or higher 90.6% Bachelor's or higher 27.1%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 39 13.6% Kindergarten 6 2.1% Elementary school 132 46.0% High school 90 31.4% College / grad school 20 7.0%
Employment
Industry of employment
Education & healthcare
26.3%
Agriculture & mining
12.7%
Arts, food & hospitality
7.0%
Transportation & utilities
5.5%
Finance & real estate
3.0%
Professional & management
1.8%
Public administration
0.8%
Occupation
Category % Management, business & arts 44.7% Service 14.6% Sales & office 15.6% Natural resources & construction 5.7% Production & transportation 19.4%
Employment type
Type % Private sector 71.2% Government 10.7% Self-employed 18.1% Unpaid family workers 0.0%
Commute
Method % Drive alone 76.5% Carpool 6.2% Public transit 0.0% Walk 7.5% Work from home 9.4% Other means 0.3% Avg commute (minutes) 18.3
Poverty
Married-couple families
0.6%
Female-led households
28.3%
Income support
Source % of households Social Security 42.7% Retirement income 17.6% Supplemental Security 2.0% Cash public assistance 1.4% Food stamps / SNAP 5.9%
Health indicators
Condition % Obesity 36.6% High blood pressure 37.3% High cholesterol 35.4% Diabetes 10.6% Heart disease 7.4% Stroke 3.3% Asthma 8.9% Arthritis 27.5% Kidney disease 3.2% Pulmonary disease 6.8% Cancer 8.8%
Behavior / access % Smoking 14.7% Binge drinking 20.1% No physical activity 22.9% Less than 7 hrs sleep 30.7% Depression 16.6% Fair or poor health 12.1% Poor mental health 12.2% Poor physical health 9.5% No health insurance 8.3% Visited doctor (checkup) 77.5% Visited dentist 70.1% Cholesterol screening 91.0% Teeth loss 11.8%
Veterans & disability
Veterans Count % Civilian veterans 132 10.5%
Disability % Any disability 15.7% Under 18 1.9% 18–64 years 13.7% 65 and over 32.8%
Health insurance coverage
Type % Private insurance 71.8% Public insurance 45.6% No insurance 4.4% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 1,507 95.6% Spanish 2 0.1% Other Indo-European 2 0.1% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 1,577 100.0% Born in same state 1,508 95.6% Born in different state 1,135 72.0% Foreign born 69 4.4% Naturalized citizen 0 0.0% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % Italian 171 10.8% French 131 8.3% English 77 4.9%
Ancestry Count % Arab 75 4.8% Polish 48 3% Dutch 36 2.3%
Technology access
Metric % of households Computer access 45.5% Internet access 84.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 51035
What city is ZIP code 51035 in?
ZIP code 51035 is primarily assigned to Marcus, Iowa.
What county is ZIP code 51035 in?
ZIP code 51035 falls within Cherokee County, Iowa.
Does ZIP code 51035 have a large retiree population?
43% of households in ZIP code 51035 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 51035 have a large veteran population?
11% of civilians in ZIP code 51035 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 51035?
The median home value in ZIP code 51035 is $177,800.
What is the population of ZIP code 51035?
ZIP code 51035 has an estimated population of 1,577 residents, with a density of 15 people per square mile.
What timezone is ZIP code 51035 in?
ZIP code 51035 observes the CST timezone.
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