48320 ZIP Code — Keego Harbor, MI
Oakland County, Michigan
ZIP code 48320 is located in Keego Harbor, Michigan, within Oakland County. It covers approximately 1.10 square miles and serves a population of 4,329 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 248.
About ZIP code 48320
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $273,800. Owner-occupancy sits near the national average at 74%.
The gap between median ($74,735) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average.
The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 29 minutes is near the national average.
Educational attainment is near the national average, with 45% of residents holding a bachelor's degree or higher.
4,329
population
1.10
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
48320 ZIP code map
Cities in ZIP code 48320
Below are the cities the US Postal Service accepts for ZIP code 48320. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Keego Harbor | Acceptable |
| Keego Harbor | Preferred |
Nearby ZIP codes
48341 Pontiac (2.6 mi)
48328 Waterford (2.7 mi)
48302 Bloomfield Hills (2.8 mi)
48342 Pontiac (3.7 mi)
48327 Waterford (4.4 mi)
48340 Pontiac (4.6 mi)
48304 Bloomfield Hills (5.3 mi)
48301 Bloomfield Hills (5.5 mi)
48329 Waterford (6 mi)
48334 Farmington (7.2 mi)
48009 Birmingham (7.6 mi)
48098 Troy (8 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 4,329 |
| Population density | 3,935 / sq mi |
| State FIPS | 26 |
| County FIPS | 125 |
| Geography | |
|---|---|
| Land area | 1.10 sq mi |
| Water area | 0.40 sq mi |
| Latitude | 42.6109 |
| Longitude | -83.3360 |
| Timezone | Eastern (ET) |
| Area code | 248 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 37.7% | 30.7% | 42.6% |
| $50k – $100k | 34.6% | 28.7% | 31.1% |
| $100k – $200k | 16.9% | 28.4% | 20.6% |
| Over $200k | 10.8% | 12.3% | 5.7% |
Demographics & statistics
4,329
Population
3,935
People per sq mi
44.5
Median age
$74,735
Median household income
$55,490
Per capita income
$273,800
Median home value
$1,124
Median monthly rent
74.2%
Home ownership
4.1%
Poverty rate
4.2%
Unemployment
1,695
Housing units
44.8%
Bachelor's or higher
Age distribution
Male
Female
99
Under 5
105
82
5–9
86
110
10–14
117
92
15–19
97
146
20–24
153
268
25–34
282
273
35–44
288
230
45–54
243
145
55–59
153
258
60–64
273
211
65–74
223
156
75–84
164
36
85+
39
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 718 | 16.6% |
| 18 and over | 3,611 | 83.4% |
| 65 and over | 829 | 19.1% |
| Median age | 44.5 years | |
Race & ethnicity
White
82.2%
Two or more races
7.1%
Hispanic or Latino
4.9%
Black or African American
4.2%
Asian
1.4%
Other race
0.2%
| Group | Count | % |
|---|---|---|
| White | 3,741 | 82.2% |
| Two or more races | 322 | 7.1% |
| Hispanic or Latino | 223 | 4.9% |
| Black or African American | 193 | 4.2% |
| Asian | 62 | 1.4% |
| Other race | 11 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 37.7% | 30.7% | 42.6% |
| $50k – $100k | 34.6% | 28.7% | 31.1% |
| $100k – $200k | 16.9% | 28.4% | 20.6% |
| Over $200k | 10.8% | 12.3% | 5.7% |
Under $10k
4.1%
$10k–$15k
2.7%
$15k–$25k
6.3%
$25k–$35k
9.6%
$35k–$50k
7.2%
$50k–$75k
20.4%
$75k–$100k
13.6%
$100k–$150k
15.2%
$150k–$200k
5.5%
$200k+
15.6%
| Range | % of households |
|---|---|
| Under $10k | 4.1% |
| $10k–$15k | 2.7% |
| $15k–$25k | 6.3% |
| $25k–$35k | 9.6% |
| $35k–$50k | 7.2% |
| $50k–$75k | 20.4% |
| $75k–$100k | 13.6% |
| $100k–$150k | 15.2% |
| $150k–$200k | 5.5% |
| $200k+ | 15.6% |
| Median income | $74,735 |
Housing
Home values
Under $50k
2.3%
$50k–$100k
3.0%
$100k–$150k
6.7%
$150k–$200k
14.7%
$200k–$300k
30.0%
$300k–$500k
27.6%
$500k–$1M
7.0%
$1M+
8.6%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $273,800 |
| Median rent / month | $1,124 |
| Owner occupied | 74.2% |
| Renter occupied | 25.8% |
| Vacant | 6.9% |
| Single-family detached | 77.0% |
| Large apartment buildings | 5.6% |
| Mobile homes | 1.1% |
| Median rooms | 5.7 |
| Avg household size (owned) | 2.10 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 5.6% |
| 2000–2009 | 10.6% |
| 1990–1999 | 3.2% |
| 1980–1989 | 5.0% |
| 1970–1979 | 16.4% |
| 1960–1969 | 13.6% |
| 1950–1959 | 11.2% |
| 1940–1949 | 6.5% |
| 1939 or earlier | 28.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.5% |
| 1 bedroom | 9.9% |
| 2 bedrooms | 32.0% |
| 3 bedrooms | 38.6% |
| 4 bedrooms | 14.7% |
| 5+ bedrooms | 4.2% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 6.0% |
| 1 vehicle | 41.8% |
| 2 vehicles | 39.0% |
| 3 or more | 13.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 82.8% |
| Electricity | 16.3% |
| Propane / LP gas | 0.2% |
| Fuel oil | 0.6% |
| Wood | 0.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 813 | 39.1% |
| Cohabiting couple | 167 | 8.0% |
| Male householder, no spouse | 403 | 19.4% |
| Female householder, no spouse | 696 | 33.5% |
| Households with children under 18 | 438 | 21.1% |
| Households with seniors (65+) | 626 | 30.1% |
| Average household size | 2.08 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 33.0% | 24.7% |
| Married | 49.6% | 45.4% |
| Separated | 0.0% | 0.9% |
| Widowed | 0.5% | 4.9% |
| Divorced | 16.9% | 24.0% |
Education
Less than 9th grade
1.7%
Some HS, no diploma
1.0%
HS graduate
15.9%
Some college, no degree
25.3%
Associate's degree
11.3%
Bachelor's degree
26.6%
Graduate / professional
18.2%
| Metric | % |
|---|---|
| HS diploma or higher | 97.3% |
| Bachelor's or higher | 44.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 43 | 4.9% |
| Kindergarten | 57 | 6.4% |
| Elementary school | 330 | 37.3% |
| High school | 165 | 18.7% |
| College / grad school | 289 | 32.7% |
Employment
Industry of employment
Professional & management
20.3%
Education & healthcare
18.0%
Arts, food & hospitality
11.3%
Manufacturing
10.2%
Retail trade
9.4%
Finance & real estate
8.9%
Construction
7.7%
Other services
5.1%
Public administration
2.8%
Wholesale trade
2.1%
Transportation & utilities
1.7%
Agriculture & mining
1.5%
Information
0.9%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 47.1% |
| Service | 19.1% |
| Sales & office | 22.9% |
| Natural resources & construction | 3.6% |
| Production & transportation | 7.2% |
Employment type
| Type | % |
|---|---|
| Private sector | 84.3% |
| Government | 7.5% |
| Self-employed | 8.2% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 80.5% |
| Carpool | 4.1% |
| Public transit | 0.0% |
| Walk | 1.6% |
| Work from home | 13.9% |
| Other means | 0.0% |
| Avg commute (minutes) | 29.3 |
Poverty
All people
4.1%
Under 18 years
0.0%
18 and over
4.9%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 27.9% |
| Retirement income | 22.3% |
| Supplemental Security | 1.6% |
| Cash public assistance | 2.5% |
| Food stamps / SNAP | 5.2% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 34.0% |
| High blood pressure | 29.1% |
| High cholesterol | 32.5% |
| Diabetes | 8.7% |
| Heart disease | 5.1% |
| Stroke | 2.3% |
| Asthma | 10.4% |
| Arthritis | 23.7% |
| Kidney disease | 2.4% |
| Pulmonary disease | 5.8% |
| Cancer | 6.1% |
| Behavior / access | % |
|---|---|
| Smoking | 15.6% |
| Binge drinking | 19.1% |
| No physical activity | 17.9% |
| Less than 7 hrs sleep | 33.6% |
| Depression | 19.0% |
| Fair or poor health | 11.9% |
| Poor mental health | 15.3% |
| Poor physical health | 9.0% |
| No health insurance | 8.3% |
| Visited doctor (checkup) | 72.9% |
| Visited dentist | 73.5% |
| Cholesterol screening | 92.4% |
| Teeth loss | 8.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 175 | 4.8% |
| Disability | % |
|---|---|
| Any disability | 13.4% |
| Under 18 | 4.9% |
| 18–64 years | 9.1% |
| 65 and over | 35.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 79.3% |
| Public insurance | 30.4% |
| No insurance | 3.3% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 4,125 | 95.3% |
| Spanish | 175 | 4.2% |
| Other Indo-European | 27 | 0.7% |
| Asian & Pacific Islander | 110 | 2.7% |
| Other languages | 11 | 0.3% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 3,965 | 91.6% |
| Born in same state | 3,885 | 89.7% |
| Born in different state | 3,381 | 78.1% |
| Foreign born | 80 | 1.8% |
| Naturalized citizen | 364 | 8.4% |
| Not a US citizen | 184 | 50.5% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 576 | 13.3% |
| French | 443 | 10.2% |
| Arab | 157 | 3.6% |
| Irish | 32 | 0.7% |
| Ancestry | Count | % |
|---|---|---|
| German | 31 | 0.7% |
| Polish | 28 | 0.6% |
| Dutch | 23 | 0.5% |
| English | 20 | 0.5% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 48.0% |
| Internet access | 94.3% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 48320
What city is ZIP code 48320 in?
ZIP code 48320 is primarily assigned to Keego Harbor, Michigan.
What county is ZIP code 48320 in?
ZIP code 48320 falls within Oakland County, Michigan.
What is the population of ZIP code 48320?
ZIP code 48320 has an estimated population of 4,329 residents, with a density of 3,953 people per square mile.
What is the typical home value in ZIP code 48320?
The median home value in ZIP code 48320 is $273,800.
What is the median household income in ZIP code 48320?
The median household income in ZIP code 48320 is $74,735, below the national median of ~$75,000.
What timezone is ZIP code 48320 in?
ZIP code 48320 observes the EST timezone.