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Iowa ZIP Codes
Linn County
Mount Vernon, IA
52314
52314 ZIP Code — Mount Vernon, IA
Linn County, Iowa
ZIP code 52314 is located in
Mount Vernon ,
Iowa ,
within Linn County .
It covers approximately 59.29 square miles and serves a population of
6,011 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 319 .
About ZIP code 52314
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 $254,900. Owner-occupancy is high at 84%, well above the national average.
Median household income is $99,982.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 21 minutes is near the national average.
Educational attainment is near the national average, with 44% of residents holding a bachelor's degree or higher.
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Cities in ZIP code 52314
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
6,011
Population density
101 / sq mi
State FIPS
19
County FIPS
113
Geography
Land area
59.29 sq mi
Water area
0.47 sq mi
Latitude
41.9329
Longitude
-91.4539
Timezone
Central (CT)
Area code
319
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
30.6%
36.3%
40.1%
$50k – $100k
36.1%
33.7%
33.4%
$100k – $200k
28.6%
23.6%
21.5%
Over $200k
4.7%
6.4%
5.0%
Demographics & statistics
$99,982
Median household income
$254,900
Median home value
44.0%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,655 27.5%
18 and over 4,356 72.5%
65 and over 692 11.5%
Median age 30.4 years
Race & ethnicity
Black or African American
1.7%
American Indian / Alaska Native
0.2%
Group Count %
White 5,653 92.4%
Hispanic or Latino 107 1.7%
Black or African American 105 1.7%
Two or more races 98 1.6%
Asian 85 1.4%
Other race 60 1%
American Indian / Alaska Native 10 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
30.6%
36.3%
40.1%
$50k – $100k
36.1%
33.7%
33.4%
$100k – $200k
28.6%
23.6%
21.5%
Over $200k
4.7%
6.4%
5.0%
Range % of households
Under $10k 0.8%
$10k–$15k 3.0%
$15k–$25k 6.9%
$25k–$35k 4.2%
$35k–$50k 6.5%
$50k–$75k 12.7%
$75k–$100k 15.9%
$100k–$150k 28.5%
$150k–$200k 10.6%
$200k+ 10.9%
Median income $99,982
Housing
Housing overview
Metric Value
Median home value $254,900
Median rent / month $746
Owner occupied 84.0%
Renter occupied 16.0%
Vacant 9.0%
Single-family detached 79.6%
Large apartment buildings 0.0%
Mobile homes 4.0%
Median rooms 6.7
Avg household size (owned) 3.05
Year built
Era %
2020 or later 0.3%
2010–2019 2.5%
2000–2009 16.6%
1990–1999 16.8%
1980–1989 14.3%
1970–1979 12.2%
1960–1969 6.3%
1950–1959 3.6%
1940–1949 3.3%
1939 or earlier 24.3%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 9.9%
2 bedrooms 15.6%
3 bedrooms 40.1%
4 bedrooms 20.5%
5+ bedrooms 13.8%
Vehicles per household
Vehicles % of households
No vehicle 3.9%
1 vehicle 18.8%
2 vehicles 50.8%
3 or more 26.5%
Heating fuel
Fuel type %
Utility gas 56.7%
Electricity 15.4%
Propane / LP gas 23.5%
Wood 2.9%
No fuel used 0.8%
Households & families
Household type Count %
Married-couple family 1,052 61.8%
Cohabiting couple 115 6.8%
Male householder, no spouse 190 11.2%
Female householder, no spouse 346 20.3%
Households with children under 18 669 39.3%
Households with seniors (65+) 463 27.2%
Average household size 2.92
Marital status
Status Male Female
Never married 45.5% 40.3%
Married 51.0% 41.5%
Separated 0.1% 0.5%
Widowed 1.2% 8.7%
Divorced 2.2% 9.0%
Education
Some college, no degree
19.9%
Graduate / professional
15.8%
Metric %
HS diploma or higher 96.1%
Bachelor's or higher 44.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 48 1.8%
Kindergarten 36 1.3%
Elementary school 848 31.3%
High school 481 17.8%
College / grad school 1,295 47.8%
Employment
Industry of employment
Education & healthcare
34.0%
Arts, food & hospitality
11.3%
Professional & management
8.9%
Finance & real estate
5.2%
Transportation & utilities
4.9%
Public administration
3.3%
Agriculture & mining
0.9%
Occupation
Category %
Management, business & arts 37.4%
Service 22.4%
Sales & office 25.7%
Natural resources & construction 5.4%
Production & transportation 9.1%
Employment type
Type %
Private sector 74.9%
Government 20.4%
Self-employed 4.4%
Unpaid family workers 0.3%
Commute
Method %
Drive alone 68.4%
Carpool 5.0%
Public transit 0.6%
Walk 10.0%
Work from home 15.7%
Other means 0.3%
Avg commute (minutes) 20.8
Poverty
Married-couple families
0.0%
Female-led households
24.9%
Income support
Source % of households
Social Security 29.3%
Retirement income 17.5%
Supplemental Security 2.5%
Cash public assistance 0.0%
Food stamps / SNAP 2.4%
Health indicators
Condition %
Obesity 32.9%
High blood pressure 25.7%
High cholesterol 28.3%
Diabetes 7.0%
Heart disease 4.3%
Stroke 1.9%
Asthma 9.6%
Arthritis 18.9%
Kidney disease 2.0%
Pulmonary disease 4.5%
Cancer 5.4%
Behavior / access %
Smoking 12.3%
Binge drinking 24.1%
No physical activity 16.7%
Less than 7 hrs sleep 28.8%
Depression 19.1%
Fair or poor health 8.8%
Poor mental health 14.0%
Poor physical health 7.1%
No health insurance 7.2%
Visited doctor (checkup) 76.2%
Visited dentist 73.8%
Cholesterol screening 85.9%
Teeth loss 8.8%
Veterans & disability
Veterans Count %
Civilian veterans 260 6.0%
Disability %
Any disability 7.3%
Under 18 3.9%
18–64 years 8.4%
65 and over 9.8%
Health insurance coverage
Type %
Private insurance 82.4%
Public insurance 23.7%
No insurance 2.1%
Uninsured under 19 1.6%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 5,750 95.7%
Spanish 25 0.4%
Other Indo-European 10 0.2%
Asian & Pacific Islander 4 0.1%
Other languages 11 0.2%
Place of birth & citizenship
Origin Count %
Native born (US) 5,910 98.3%
Born in same state 5,905 98.2%
Born in different state 4,207 70.0%
Foreign born 5 0.1%
Naturalized citizen 101 1.7%
Not a US citizen 74 73.3%
Ancestry
Ancestry Count %
Italian 778 12.9%
French 514 8.6%
Arab 297 4.9%
English 165 2.7%
Ancestry Count %
Polish 108 1.8%
Norwegian 33 0.5%
Dutch 32 0.5%
German 9 0.1%
Technology access
Metric % of households
Computer access 28.3%
Internet access 99.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 52314
What city is ZIP code 52314 in?
ZIP code 52314 is primarily assigned to Mount Vernon, Iowa.
What county is ZIP code 52314 in?
ZIP code 52314 falls within Linn County, Iowa.
Is ZIP code 52314 mostly owner-occupied?
84% of occupied units in ZIP code 52314 are owner-occupied, well above the national average.
What is the population of ZIP code 52314?
ZIP code 52314 has an estimated population of 6,011 residents, with a density of 101 people per square mile.
What is the median household income in ZIP code 52314?
The median household income in ZIP code 52314 is $99,982, above the national median of ~$75,000.
What is the typical home value in ZIP code 52314?
The median home value in ZIP code 52314 is $254,900.
What timezone is ZIP code 52314 in?
ZIP code 52314 observes the CST timezone.
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