Farmington, MI · standard
ZIP Code 48331
Oakland County, Michigan - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 21,503
- 894/sq mi High-density area
- $127,633
- Median income Above-median income area
- $410,000
- Median home value Above-median home value
- 66.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Farmington pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.
- Top 8%
- household income, US ZIPs
- Top 20%
- home value, US ZIPs
- 894
- people per sq mi
- 79%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 48331 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 48331 (Farmington, MI) rose +10.0% from 2023 to 2024. The all-transactions index moved from 139.7 in 2023 to 153.7 in 2024 (2000 = 100).
ZIP code 48331 is a densely settled ZIP (a standard USPS delivery area) in Farmington, Oakland County, Michigan, with 21,503 residents across 24.1 square miles, a density of 894 people per square mile, in the Detroit time zone.
ZIP 48331 skews affluent, with a median household income of $127,633 (74% above the average Michigan ZIP), while per-capita income is $62,919. The poverty rate is 6.8%, with unemployment at 6.3%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $410,000 (87% above the average Michigan ZIP), while 78.8% of occupied homes are owner-occupied and median rent is $1,828.
This is a highly-educated ZIP: 66.5% of adults hold a bachelor's degree or higher, the median age is 47.6, and the average commute is 25 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Oakland County, so 48331 can be compared with both its immediate and county-level context.
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 48331
Top 5 sectors by establishment count in Farmington, MI
Which industries have the most business establishments in ZIP 48331.
- Professional, scientific, and technical services
Professional, scientific, and technical services
171 establishments
- Health care and social assistance 66
Health care and social assistance
66 establishments
- Finance and insurance 63
Finance and insurance
63 establishments
- Wholesale trade 55
Wholesale trade
55 establishments
- Administrative and support and waste management and remediation services 38
Administrative and support and waste management and remediation services
38 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 48331, Farmington, 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
21,503
Population
24.1
Area (sq mi)
894
People / sq mi
Detroit
Time Zone
standard
ZIP Type
Who lives in ZIP 48331?
47.6
Median Age
48.6%
Male
51.4%
Female
23.5%
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?
$127,633
Median Household Income
+74% vs state ZIP avg
$62,919
Per Capita Income
6.8%
Poverty Rate
6.3%
Unemployment Rate
25.3 min
Mean Commute Time
How ZIP 48331 ranks among Michigan ZIPs
Farmington, MI household income vs. every Michigan ZIP code
Median household income among 962 reporting Michigan ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$127,633 Top 4% higher than 96% of 962 Michigan ZIPs
Each bar is a $20K-wide band; taller bars hold more Michigan 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?
Housing stock: occupied vs vacant
9,354housing units
9,354
Total Housing Units
8,786
Occupied Units
568
Vacant Units
2.44
Avg Household Size
Occupancy Type
$410,000
Median Home Value
+87% vs state ZIP avg
$1,828
Median Rent
1984
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
+10.0%
YoY Change (2024)
154
HPI Index (2000 = 100)
+54%
Total Change Since 2000
Home values in ZIP 48331 have increased 10.0% over the past year (2024). Since 2000, this ZIP has seen +54% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +2.4% | 112 |
| 2021 | +8.1% | 121 |
| 2022 | +14.0% | 137 |
| 2023 | +1.6% | 140 |
| 2024 | +10.0% | 154 |
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 598 business establishments in ZIP 48331, employing approximately 22,442 people with a combined annual payroll of $2,317,085,000.
598
Businesses
22,442
Employees
$2.3B
Annual Payroll
17
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 171 | 28.6% |
| Health care and social assistance | 66 | 11.0% |
| Finance and insurance | 63 | 10.5% |
| Wholesale trade | 55 | 9.2% |
| Administrative and support and waste management and remediation services | 38 | 6.3% |
| Retail trade | 28 | 4.7% |
| Other services (except public administration) | 28 | 4.7% |
| Real estate and rental and leasing | 26 | 4.3% |
| Construction | 22 | 3.7% |
| Information | 22 | 3.7% |
| Accommodation and food services | 19 | 3.2% |
| Management of companies and enterprises | 17 | 2.8% |
| Manufacturing | 14 | 2.3% |
| Arts, entertainment, and recreation | 12 | 2.0% |
| Transportation and warehousing | 7 | 1.2% |
| Educational services | 6 | 1.0% |
| Industries not classified | 4 | 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 48331 vs 48335 →
ZIP 48331 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 48322
West Bloomfield (48322)
31,265 residents
- 48152
Livonia (48152)
31,173 residents
- 48336
Farmington (48336)
25,486 residents
- 48390
Walled Lake (48390)
22,898 residents
- 48335
Farmington (48335)
22,398 residents
- 48375
Novi (48375)
21,801 residents
- 48331
Farmington (48331)
21,503 residents
- 48334
Farmington (48334)
18,540 residents
- 48323
West Bloomfield (48323)
17,708 residents
What this shows Among its immediate neighbors, ZIP 48331 ranks #7 by population - useful context the national average alone can't give.
ZIP 48331 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 48323
West Bloomfield (48323)
$144,457 median income
- 48324
West Bloomfield (48324)
$142,100 median income
- 48331
Farmington (48331)
$127,633 median income
- 48322
West Bloomfield (48322)
$113,865 median income
- 48375
Novi (48375)
$112,545 median income
- 48334
Farmington (48334)
$102,228 median income
- 48335
Farmington (48335)
$99,439 median income
- 48390
Walled Lake (48390)
$91,381 median income
- 48336
Farmington (48336)
$88,938 median income
What this shows By household income, ZIP 48331 ranks #3 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 48335 | Farmington, MI | 22,398 | 2.9 mi |
| 48334 | Farmington, MI | 18,540 | 3.0 mi |
| 48322 | West Bloomfield, MI | 31,265 | 3.0 mi |
| 48377 | Novi, MI | 15,244 | 3.3 mi |
| 48375 | Novi, MI | 21,801 | 3.9 mi |
| 48323 | West Bloomfield, MI | 17,708 | 4.9 mi |
| 48336 | Farmington, MI | 25,486 | 4.2 mi |
| 48324 | West Bloomfield, MI | 17,350 | 6.4 mi |
| 48152 | Livonia, MI | 31,173 | 5.7 mi |
| 48390 | Walled Lake, MI | 22,898 | 4.8 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 48331, both outside MI so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (21,503 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Oakland County
Related Areas
Frequently Asked Questions
What county is ZIP code 48331 in?
ZIP code 48331 (Farmington) is located in Oakland County, Michigan. Oakland County contains multiple ZIP codes, see the full list at /counties/oakland-mi.
What is the population of ZIP code 48331?
ZIP code 48331 in Farmington, MI has a population of 21,503 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 48331?
The median household income in ZIP 48331 is $127,633, which is 67% above the national average of $76,288.
What is the average home value in ZIP 48331?
The median home value in ZIP 48331 is $410,000, which is 47% above the national average of $278,155.
What is the demographic makeup of ZIP 48331?
The largest racial group in ZIP 48331 is White at 66.3%. Hispanic or Latino residents make up 2.8% of the population.
How many businesses are in ZIP code 48331?
ZIP code 48331 has 598 business establishments employing approximately 22,442 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 48331?
The top industries by establishment count in ZIP 48331 are: Professional, scientific, and technical services (171), Health care and social assistance (66), Finance and insurance (63). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 48331?
According to the FHFA House Price Index, home values in ZIP 48331 increased by 10.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 54%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 48331?
In ZIP code 48331, 77.9% of residents aged 25+ have a high school diploma or higher, and 66.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 48331?
The mean commute time for workers in ZIP code 48331 is 25.3 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 48331?
In ZIP code 48331, approximately 78.8% of occupied housing units are owner-occupied and 21.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 48331?
The poverty rate in ZIP code 48331 is 6.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 48331's numbers, next.
- See how ZIP 48331 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Farmington, MI ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.