Zip Code 52302
Marion, Iowa — Linn County
📍 ZIP code 52302 is in Marion, Linn County, Iowa.
ZIP code 52302 is located in Marion, Linn County, Iowa. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 42,732. The area code for ZIP code 52302 is 319.
Quick Answer
Zip code 52302 is in Marion, Iowa (Linn County). It has a population of 42,732, median household income of $87,463, and median home value of $232,900.
Population
42,732
Income
$87,463
Home Value
$232,900
Climate
86°F / 13°F
About Zip Code 52302
Zip code 52302 is located in Marion, Iowa, within Linn County. Home to approximately 42,732 residents, this area sits at an elevation of 863 ft and falls within the Central (CST/CDT) timezone. The local area code is 319.
The median household income is $87,463 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $232,900, and the cost of living index is 89 (11% below the national average of 100).
Summers average a high of 86°F while winters drop to 13°F. The area receives about 39 in of rain and 34 in of snow annually. The zip code covers 74.2 square miles of land area.
Key Statistics
42,732
$87,463
$232,900
Central (CST/CDT)
319
863 ft
74.2 sq mi
40.7
18,153
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Compare With Nearby Zip Codes
| Metric | 52302 | 52328 | 52402 | 52233 | 52336 | 52403 |
|---|---|---|---|---|---|---|
| City | Marion, IA | Cedar Rapids, IA | Cedar Rapids, IA | Hiawatha, IA | Mount Vernon, IA | Cedar Rapids, IA |
| Population | 42,732 | 2,861 | 43,076 | 7,008 | 2,459 | 23,023 |
| Median Income | $87,463 | $132,833 | $71,319 | $66,497 | $93,147 | $73,848 |
| Home Value | $232,900 | $343,000 | $188,700 | $200,500 | $213,200 | $190,700 |
| Cost of Living | 89 | 139 | 75 | 74 | 89 | 77 |
| Median Age | 40.7 | 46.1 | 35.9 | 33.1 | 47.7 | 44.1 |
Cost of Living
100 = National Average. Marion's cost of living is 11% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
2.7x
Demographics
Zip code 52302 has a population of 42,732 people with a median age of 40.7. There are 18,153 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Marion (52302) population trend from 2010 to 2024
↑ 6.9%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
13°F
39 in
34 in
Marion experiences warm summers with average highs around 86°F. Winters are cold with lows averaging 13°F. With 34 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$232,900
Median Household Income
$87,463
With 18,153 housing units across 74.2 square miles, 52302 has a housing density of 245 units per square mile. The home price-to-income ratio is 2.7x.
Location & Geography
Latitude
42.0654°
Longitude
-91.5609°
Land Area
74.2 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 52302 (Marion, IA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 52302's $87,463. A way to compare Marion to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 52302 (Marion, IA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Marion, Iowa?
Marion, Iowa uses zip code 52302.
What county is zip code 52302 in?
Zip code 52302 is located in Linn County, Iowa.
What is the population of zip code 52302?
The population of zip code 52302 is 42,732 with a median age of 40.7.
Is 52302 in Marion, Iowa?
Yes, zip code 52302 is in Marion, Linn County, Iowa. The area code is 319.
Frequently Asked Questions
What city is zip code 52302 in?
Zip code 52302 is in Marion, Iowa. It is part of Linn County and uses the Central (CST/CDT) timezone.
What is zip code 52302?
Zip code 52302 is a U.S. postal code in Marion, Iowa (Linn County). It has a population of 42,732 and covers 74.2 square miles.
What is the population of zip code 52302?
The population of zip code 52302 (Marion, IA) is 42,732 with a median age of 40.7. There are approximately 18,153 housing units in this area.
What is the median income in zip code 52302?
The median household income in zip code 52302 (Marion, IA) is $87,463 per year. The cost of living index is 89 (100 = national average).
What is the average home price in zip code 52302?
The median home value in zip code 52302 (Marion, IA) is $232,900. The cost of living index is 89 compared to the national average of 100.
What county is zip code 52302 in?
Zip code 52302 is located in Linn County, Iowa. The primary city is Marion.
What is the area code for zip code 52302?
Zip code 52302 in Marion, IA uses area code 319. It is located in the Central (CST/CDT) timezone.
Is zip code 52302 a good place to live?
Zip code 52302 (Marion, IA) has a cost of living index of 89 (100 = national average), a median household income of $87,463, and median home values of $232,900. The median age is 40.7. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 52302?
The cost of living index for zip code 52302 (Marion, IA) is 89, where 100 represents the national average. This area is below the national average. Median home value: $232,900.
What schools serve zip code 52302?
Zip code 52302 in Marion, Iowa is served by the local school district of Linn County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.