Zip Code 48309
Rochester Hills, Michigan — Oakland County
📍 ZIP code 48309 is in Rochester Hills, Oakland County, Michigan.
ZIP code 48309 is located in Rochester Hills, Oakland County, Michigan. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 30,254. The area code for ZIP code 48309 is 313.
Quick Answer
Zip code 48309 is in Rochester Hills, Michigan (Oakland County). It has a population of 30,254, median household income of $117,788, and median home value of $394,700.
Population
30,254
Income
$117,788
Home Value
$394,700
Climate
82°F / 17°F
About Zip Code 48309
Zip code 48309 is located in Rochester Hills, Michigan, within Oakland County. Home to approximately 30,254 residents, this area sits at an elevation of 812 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 313.
The median household income is $117,788 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $394,700, and the cost of living index is 142 (42% above the national average of 100).
Summers average a high of 82°F while winters drop to 17°F. The area receives about 34 in of rain and 36 in of snow annually. The zip code covers 15.5 square miles of land area.
Key Statistics
30,254
$117,788
$394,700
Eastern (EST/EDT)
313
812 ft
15.5 sq mi
42.8
11,635
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Compare With Nearby Zip Codes
| Metric | 48309 | 48307 | 48326 | 48098 | 48342 | 48306 |
|---|---|---|---|---|---|---|
| City | Rochester Hills, MI | Rochester, MI | Pontiac, MI | Troy, MI | Pontiac, MI | Rochester, MI |
| Population | 30,254 | 44,267 | 24,488 | 20,658 | 17,227 | 27,831 |
| Median Income | $117,788 | $105,118 | $79,468 | $165,781 | $33,750 | $165,545 |
| Home Value | $394,700 | $329,400 | $235,300 | $485,300 | $90,600 | $522,200 |
| Cost of Living | 142 | 122 | 88 | 185 | 60 | 192 |
| Median Age | 42.8 | 39 | 37.1 | 46 | 34.1 | 43.5 |
Cost of Living
100 = National Average. Rochester Hills's cost of living is 42% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
3.4x
Demographics
Zip code 48309 has a population of 30,254 people with a median age of 42.8. There are 11,635 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Rochester Hills (48309) population trend from 2010 to 2024
↑ 39.8%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
82°F
17°F
34 in
36 in
Rochester Hills experiences warm summers with average highs around 82°F. Winters are cold with lows averaging 17°F. With 36 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$394,700
Median Household Income
$117,788
With 11,635 housing units across 15.5 square miles, 48309 has a housing density of 751 units per square mile. The home price-to-income ratio is 3.4x.
Location & Geography
Latitude
42.6572°
Longitude
-83.1866°
Land Area
15.5 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 48309 (Rochester Hills, MI) with distances:
All Zip Codes in Rochester Hills, MI
Other zip codes serving Rochester Hills:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 48309's $117,788. A way to compare Rochester Hills 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 48309 (Rochester Hills, MI). 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 Rochester Hills, Michigan?
Rochester Hills, Michigan uses zip code 48309 along with 1 other zip codes.
What county is zip code 48309 in?
Zip code 48309 is located in Oakland County, Michigan.
What is the population of zip code 48309?
The population of zip code 48309 is 30,254 with a median age of 42.8.
Is 48309 in Rochester Hills, Michigan?
Yes, zip code 48309 is in Rochester Hills, Oakland County, Michigan. The area code is 313.
Frequently Asked Questions
What city is zip code 48309 in?
Zip code 48309 is in Rochester Hills, Michigan. It is part of Oakland County and uses the Eastern (EST/EDT) timezone.
What is zip code 48309?
Zip code 48309 is a U.S. postal code in Rochester Hills, Michigan (Oakland County). It has a population of 30,254 and covers 15.5 square miles.
What is the population of zip code 48309?
The population of zip code 48309 (Rochester Hills, MI) is 30,254 with a median age of 42.8. There are approximately 11,635 housing units in this area.
What is the median income in zip code 48309?
The median household income in zip code 48309 (Rochester Hills, MI) is $117,788 per year. The cost of living index is 142 (100 = national average).
What is the average home price in zip code 48309?
The median home value in zip code 48309 (Rochester Hills, MI) is $394,700. The cost of living index is 142 compared to the national average of 100.
What county is zip code 48309 in?
Zip code 48309 is located in Oakland County, Michigan. The primary city is Rochester Hills.
What is the area code for zip code 48309?
Zip code 48309 in Rochester Hills, MI uses area code 313. It is located in the Eastern (EST/EDT) timezone.
Is zip code 48309 a good place to live?
Zip code 48309 (Rochester Hills, MI) has a cost of living index of 142 (100 = national average), a median household income of $117,788, and median home values of $394,700. The median age is 42.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 48309?
The cost of living index for zip code 48309 (Rochester Hills, MI) is 142, where 100 represents the national average. This area is above the national average. Median home value: $394,700.
What schools serve zip code 48309?
Zip code 48309 in Rochester Hills, Michigan is served by the local school district of Oakland 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.