Rochester, MI · standard
ZIP Code 48309
Oakland County, Michigan - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 29,135
- 728/sq mi
- $121,007
- Median income
- $424,600
- Median home value
- 64.4%
- Bachelor's or higher
The verdict
Rochester pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.
- Top 9%
- household income, US ZIPs
- Top 18%
- home value, US ZIPs
- 728
- people per sq mi
- 81%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 48309 against every reporting US ZIP.
ZIP code 48309 is a densely settled ZIP (a standard USPS delivery area) in Rochester, Oakland County, Michigan, with 29,135 residents across 40.0 square miles, a density of 728 people per square mile, in the Detroit time zone.
ZIP 48309 skews affluent, with a median household income of $121,007 (65% above the Michigan average), while per-capita income is $58,544. 5.5% of residents live below the poverty line, and the unemployment rate reads 4.2%. Housing costs here run $424,600 for a typical home value (93% above the state average), with rent averaging $1,686 a month; 80.7% of homes are owner-occupied.
This is a highly-educated ZIP: 64.4% of adults hold a bachelor's degree or higher, the median age is 42.5, and the average commute is 23 minutes. To put 48309 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Oakland County, for a geography-aware comparison.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 48309
Top 5 sectors by establishment count in Rochester, MI
Which industries have the most business establishments in ZIP 48309.
- Professional, scientific, and technical services
Professional, scientific, and technical services
111 establishments
- Health care and social assistance
Health care and social assistance
106 establishments
- Retail trade
Retail trade
99 establishments
- Manufacturing
Manufacturing
91 establishments
- Accommodation and food services
Accommodation and food services
77 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 48309, Rochester, MI · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
29,135
Population
40.0
Area (sq mi)
728
People / sq mi
Detroit
Time Zone
standard
ZIP Type
Who lives in ZIP 48309?
42.5
Median Age
49.1%
Male
50.9%
Female
18.1%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$121,007
Median Household Income
+65% vs state
$58,544
Per Capita Income
5.5%
Poverty Rate
4.2%
Unemployment Rate
22.6 min
Mean Commute Time
How ZIP 48309 ranks nationally
Rochester, MI household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$121,007 Top 9% higher than 91% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
11,847
Total Housing Units
11,278
Occupied Units
569
Vacant Units
2.52
Avg Household Size
Occupancy Type
$424,600
Median Home Value
+93% vs state
$1,686
Median Rent
1982
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+6.3%
YoY Change (2024)
181
HPI Index (2000 = 100)
+81%
Total Change Since 2000
Home values in ZIP 48309 have increased 6.3% over the past year (2024). Since 2000, this ZIP has seen +81% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +1.8% | 130 |
| 2021 | +9.2% | 142 |
| 2022 | +9.8% | 156 |
| 2023 | +9.0% | 170 |
| 2024 | +6.3% | 181 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 882 business establishments in ZIP 48309, employing approximately 16,075 people with a combined annual payroll of $1,138,940,000.
882
Businesses
16,075
Employees
$1.1B
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 111 | 12.6% |
| Health care and social assistance | 106 | 12.0% |
| Retail trade | 99 | 11.2% |
| Manufacturing | 91 | 10.3% |
| Accommodation and food services | 77 | 8.7% |
| Construction | 72 | 8.2% |
| Wholesale trade | 72 | 8.2% |
| Other services (except public administration) | 72 | 8.2% |
| Administrative and support and waste management and remediation services | 48 | 5.4% |
| Finance and insurance | 34 | 3.9% |
| Real estate and rental and leasing | 30 | 3.4% |
| Arts, entertainment, and recreation | 23 | 2.6% |
| Transportation and warehousing | 17 | 1.9% |
| Information | 14 | 1.6% |
| Management of companies and enterprises | 9 | 1.0% |
| Educational services | 6 | 0.7% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 48309 vs 48307 →
ZIP 48309 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 48307
Rochester (48307)
41,369 residents
- 48309
Rochester (48309)
29,135 residents
- 48306
Rochester (48306)
26,691 residents
- 48085
Troy (48085)
24,660 residents
- 48340
Pontiac (48340)
24,307 residents
- 48326
Auburn Hills (48326)
20,298 residents
- 48098
Troy (48098)
19,582 residents
- 48342
Pontiac (48342)
18,407 residents
- 48304 16,009
Bloomfield Hills (48304)
16,009 residents
What this shows Among its immediate neighbors, ZIP 48309 ranks #2 by population - useful context the national average alone can't give.
ZIP 48309 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 48363
Oakland (48363)
$179,375 median income
- 48098
Troy (48098)
$164,759 median income
- 48306
Rochester (48306)
$163,684 median income
- 48085
Troy (48085)
$146,390 median income
- 48304
Bloomfield Hills (48304)
$143,204 median income
- 48309
Rochester (48309)
$121,007 median income
- 48084
Troy (48084)
$107,098 median income
- 48307
Rochester (48307)
$106,576 median income
- 48326
Auburn Hills (48326)
$85,190 median income
What this shows By household income, ZIP 48309 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 48307 | Rochester, MI | 41,369 | 3.1 mi |
| 48098 | Troy, MI | 19,582 | 4.1 mi |
| 48326 | Auburn Hills, MI | 20,298 | 3.7 mi |
| 48306 | Rochester, MI | 26,691 | 4.8 mi |
| 48084 | Troy, MI | 14,231 | 6.8 mi |
| 48342 | Pontiac, MI | 18,407 | 4.7 mi |
| 48340 | Pontiac, MI | 24,307 | 5.5 mi |
| 48085 | Troy, MI | 24,660 | 5.2 mi |
| 48304 | Bloomfield Hills, MI | 16,009 | 5.5 mi |
| 48363 | Oakland, MI | 4,978 | 8.0 mi |
More ZIP Codes in Oakland County
Related Areas
Frequently Asked Questions
What county is ZIP code 48309 in? ▼
What is the population of ZIP code 48309? ▼
What is the median household income in ZIP 48309? ▼
What is the average home value in ZIP 48309? ▼
What is the demographic makeup of ZIP 48309? ▼
How many businesses are in ZIP code 48309? ▼
What are the main industries in ZIP code 48309? ▼
How have home values changed in ZIP code 48309? ▼
What is the education level in ZIP code 48309? ▼
What is the average commute time in ZIP 48309? ▼
What percentage of residents own vs. rent in ZIP 48309? ▼
What is the poverty rate in ZIP code 48309? ▼
Read our methodology to see how this data is sourced, computed, and verified.