52302 ZIP Code — Marion, IA

Linn County, Iowa

ZIP code 52302 is located in Marion, Iowa, within Linn County. It covers approximately 74.34 square miles and serves a population of 42,803 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 319.

About ZIP code 52302

The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $211,000. Owner-occupancy is high at 78%, well above the national average.

Median household income is $82,242. The poverty rate of 7% is below the national average. 31% 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 19 minutes is near the national average.

Educational attainment is near the national average, with 37% of residents holding a bachelor's degree or higher.

Overall, ZIP code 52302 reflects a community defined by high homeownership and a significant Social Security-dependent population.

42,803
population
74.34
sq mi land
Standard
ZIP type
Central (CT)
timezone
52302 ZIP code map
Cities in ZIP code 52302

Below are the cities the US Postal Service accepts for ZIP code 52302. Using any city not on this list may result in mail delivery delays.

City Status
Marion Acceptable
Marion Preferred
Nearby ZIP codes
52402 Cedar Rapids (4.7 mi) 52497 Cedar Rapids (4.8 mi) 52498 Cedar Rapids (4.8 mi) 52499 Cedar Rapids (4.8 mi) 52233 Hiawatha (5.3 mi) 52403 Cedar Rapids (6 mi) 52401 Cedar Rapids (7 mi) 52336 Springville (7.2 mi) 52202 Alburnett (7.6 mi) 52411 Cedar Rapids (7.9 mi) 52214 Central City (9.4 mi) 52405 Cedar Rapids (10 mi)
Demographics updated 05/2026
Population
Total population 42,803
Population density 576 / sq mi
State FIPS 19
County FIPS 113
Geography
Land area 74.34 sq mi
Water area 0.04 sq mi
Latitude 42.0605
Longitude -91.5833
Timezone Central (CT)
Area code 319
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 32.6% 36.3% 40.1%
$50k – $100k 32.8% 33.7% 33.4%
$100k – $200k 26.6% 23.6% 21.5%
Over $200k 8.0% 6.4% 5.0%

Demographics & statistics

42,803
Population
576
People per sq mi
39.8
Median age
$82,242
Median household income
$42,708
Per capita income
$211,000
Median home value
$897
Median monthly rent
78.4%
Home ownership
7.2%
Poverty rate
3.9%
Unemployment
14,324
Housing units
37.4%
Bachelor's or higher

Age distribution

Male Female
1,402
Under 5
1,502
1,597
5–9
1,711
1,308
10–14
1,401
1,058
15–19
1,135
790
20–24
847
2,793
25–34
2,994
3,053
35–44
3,272
2,536
45–54
2,719
1,136
55–59
1,218
1,283
60–64
1,375
2,080
65–74
2,230
1,184
75–84
1,269
439
85+
471
← Male
Female →

Age summary

GroupCount%
Under 1810,55124.7%
18 and over32,25275.3%
65 and over7,67317.9%
Median age39.8 years

Race & ethnicity

White 89.3%
Two or more races 3.9%
Black or African American 2.4%
Hispanic or Latino 2%
Asian 1.6%
Other race 0.4%
American Indian / Alaska Native 0.3%
GroupCount%
White38,98989.3%
Two or more races1,6933.9%
Black or African American1,0552.4%
Hispanic or Latino8792%
Asian7021.6%
Other race1940.4%
American Indian / Alaska Native1490.3%

Household income

Income range This ZIP County avg State avg
Under $50k 32.6% 36.3% 40.1%
$50k – $100k 32.8% 33.7% 33.4%
$100k – $200k 26.6% 23.6% 21.5%
Over $200k 8.0% 6.4% 5.0%
Under $10k 1.7%
$10k–$15k 2.9%
$15k–$25k 6.5%
$25k–$35k 5.4%
$35k–$50k 11.3%
$50k–$75k 16.3%
$75k–$100k 15.1%
$100k–$150k 20.4%
$150k–$200k 10.1%
$200k+ 10.4%
Range% of households
Under $10k1.7%
$10k–$15k2.9%
$15k–$25k6.5%
$25k–$35k5.4%
$35k–$50k11.3%
$50k–$75k16.3%
$75k–$100k15.1%
$100k–$150k20.4%
$150k–$200k10.1%
$200k+10.4%
Median income$82,242

Housing

Home values

Under $50k 5.0%
$50k–$100k 3.4%
$100k–$150k 16.5%
$150k–$200k 21.7%
$200k–$300k 30.6%
$300k–$500k 19.0%
$500k–$1M 3.6%
$1M+ 0.3%

Housing overview

MetricValue
Median home value$211,000
Median rent / month$897
Owner occupied78.4%
Renter occupied21.6%
Vacant4.0%
Single-family detached66.9%
Large apartment buildings4.4%
Mobile homes4.4%
Median rooms6.4
Avg household size (owned)2.58

Year built

Era%
2020 or later1.0%
2010–201916.1%
2000–200918.2%
1990–199914.9%
1980–19899.2%
1970–197911.0%
1960–196911.9%
1950–19596.6%
1940–19491.8%
1939 or earlier9.3%

Bedrooms

Size% of units
No bedroom (studio)1.6%
1 bedroom6.8%
2 bedrooms19.9%
3 bedrooms43.6%
4 bedrooms20.4%
5+ bedrooms7.7%

Vehicles per household

Vehicles% of households
No vehicle3.8%
1 vehicle30.9%
2 vehicles43.5%
3 or more21.9%

Heating fuel

Fuel type%
Utility gas79.0%
Electricity16.7%
Propane / LP gas2.8%
Fuel oil0.2%
No fuel used0.5%

Households & families

Household typeCount%
Married-couple family9,19453.0%
Cohabiting couple1,1596.7%
Male householder, no spouse2,75115.9%
Female householder, no spouse4,24024.4%
Households with children under 185,55732.0%
Households with seniors (65+)5,14929.7%
Average household size2.45

Marital status

StatusMaleFemale
Never married27.2%21.9%
Married59.2%52.8%
Separated0.6%1.5%
Widowed2.2%10.4%
Divorced10.8%13.5%

Education

Less than 9th grade 0.9%
Some HS, no diploma 2.4%
HS graduate 25.8%
Some college, no degree 18.5%
Associate's degree 15.1%
Bachelor's degree 27.0%
Graduate / professional 10.4%
Metric%
HS diploma or higher96.8%
Bachelor's or higher37.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool9909.4%
Kindergarten4194.0%
Elementary school5,15149.1%
High school1,96618.7%
College / grad school1,96718.7%

Employment

Industry of employment

Education & healthcare 21.7%
Manufacturing 16.4%
Retail trade 12.5%
Professional & management 10.6%
Finance & real estate 9.2%
Arts, food & hospitality 7.4%
Construction 5.0%
Transportation & utilities 4.6%
Other services 3.4%
Public administration 3.1%
Agriculture & mining 2.1%
Wholesale trade 2.0%
Information 1.9%

Occupation

Category%
Management, business & arts44.7%
Service14.3%
Sales & office21.8%
Natural resources & construction5.6%
Production & transportation13.5%

Employment type

Type%
Private sector81.2%
Government11.4%
Self-employed6.8%
Unpaid family workers0.6%

Commute

Method%
Drive alone78.1%
Carpool5.7%
Public transit0.6%
Walk1.0%
Work from home13.5%
Other means1.1%
Avg commute (minutes)19.1

Poverty

All people 7.2%
Under 18 years 8.0%
18 and over 7.0%
Married-couple families 3.2%
Female-led households 26.2%

Income support

Source% of households
Social Security30.5%
Retirement income26.5%
Supplemental Security3.7%
Cash public assistance1.2%
Food stamps / SNAP6.7%

Health indicators

Condition%
Obesity35.9%
High blood pressure30.1%
High cholesterol30.8%
Diabetes8.4%
Heart disease5.2%
Stroke2.3%
Asthma9.3%
Arthritis22.5%
Kidney disease2.4%
Pulmonary disease5.2%
Cancer6.5%
Behavior / access%
Smoking13.8%
Binge drinking22.5%
No physical activity18.4%
Less than 7 hrs sleep29.8%
Depression18.4%
Fair or poor health10.0%
Poor mental health13.0%
Poor physical health7.9%
No health insurance7.4%
Visited doctor (checkup)77.2%
Visited dentist72.4%
Cholesterol screening89.2%
Teeth loss9.3%

Veterans & disability

VeteransCount%
Civilian veterans2,1216.6%
Disability%
Any disability11.7%
Under 187.5%
18–64 years8.1%
65 and over29.5%

Health insurance coverage

Type%
Private insurance77.2%
Public insurance33.4%
No insurance3.2%
Uninsured under 192.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only39,89993.2%
Spanish4201.1%
Other Indo-European1210.3%
Asian & Pacific Islander1760.4%
Other languages950.2%

Place of birth & citizenship

OriginCount%
Native born (US)41,57697.1%
Born in same state41,44496.8%
Born in different state31,95874.7%
Foreign born1320.3%
Naturalized citizen1,2272.9%
Not a US citizen66454.1%

Ancestry

AncestryCount%
Italian6,10014.3%
French5,08711.9%
Polish2,8716.7%
Arab1,6693.9%
AncestryCount%
English1,1052.6%
Dutch6931.6%
Irish920.2%
German790.2%

Technology access

Metric% of households
Computer access40.5%
Internet access95.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 52302

What city is ZIP code 52302 in?

ZIP code 52302 is primarily assigned to Marion, Iowa.

What county is ZIP code 52302 in?

ZIP code 52302 falls within Linn County, Iowa.

What is the population of ZIP code 52302?

ZIP code 52302 has an estimated population of 42,803 residents, with a density of 576 people per square mile.

What is the typical home value in ZIP code 52302?

The median home value in ZIP code 52302 is $211,000.

What is the median household income in ZIP code 52302?

The median household income in ZIP code 52302 is $82,242, above the national median of ~$75,000.

What timezone is ZIP code 52302 in?

ZIP code 52302 observes the CST timezone.

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