Plymouth, MI · standard
ZIP Code 48170
Wayne County, Michigan - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 39,963
- 452/sq mi
- $114,278
- Median income
- $417,600
- Median home value
- 60.1%
- Bachelor's or higher
The verdict
Plymouth pairs an upper-quartile household income with upper-quartile home values, in a low-density, homeowner-dominated area.
- Top 12%
- household income, US ZIPs
- Top 19%
- home value, US ZIPs
- 452
- people per sq mi
- 80%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 48170 against every reporting US ZIP.
ZIP code 48170 is a densely settled ZIP (a standard USPS delivery area) in Plymouth, Wayne County, Michigan, with 39,963 residents across 88.5 square miles, a density of 452 people per square mile, in the Detroit time zone.
ZIP 48170 skews affluent, with a median household income of $114,278 (56% above the Michigan average), while per-capita income is $67,147. 4.3% of residents live below the poverty line, and the unemployment rate reads 3.8%. On housing, the median home value is $417,600 (90% above the state average) with median rent at $1,227 per month, and 79.6% of occupied units are owner-occupied.
This is a highly-educated ZIP: 60.1% of adults hold a bachelor's degree or higher, the median age is 45.6, and the average commute is 23 minutes. To put 48170 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Wayne 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 48170
Top 5 sectors by establishment count in Plymouth, MI
Which industries have the most business establishments in ZIP 48170.
- Professional, scientific, and technical services
Professional, scientific, and technical services
273 establishments
- Health care and social assistance
Health care and social assistance
159 establishments
- Other services (except public administration)
Other services (except public administration)
147 establishments
- Retail trade
Retail trade
139 establishments
- Wholesale trade
Wholesale trade
133 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 48170, Plymouth, 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
39,963
Population
88.5
Area (sq mi)
452
People / sq mi
Detroit
Time Zone
standard
ZIP Type
Who lives in ZIP 48170?
45.6
Median Age
49.6%
Male
50.4%
Female
7.4%
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?
$114,278
Median Household Income
+56% vs state
$67,147
Per Capita Income
4.3%
Poverty Rate
3.8%
Unemployment Rate
23.3 min
Mean Commute Time
How ZIP 48170 ranks nationally
Plymouth, MI household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$114,278 Top 12% higher than 88% 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?
18,143
Total Housing Units
17,308
Occupied Units
835
Vacant Units
2.30
Avg Household Size
Occupancy Type
$417,600
Median Home Value
+90% vs state
$1,227
Median Rent
1975
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
+3.4%
YoY Change (2024)
190
HPI Index (2000 = 100)
+90%
Total Change Since 2000
Home values in ZIP 48170 have increased 3.4% over the past year (2024). Since 2000, this ZIP has seen +90% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +1.2% | 142 |
| 2021 | +9.1% | 154 |
| 2022 | +9.6% | 169 |
| 2023 | +8.6% | 184 |
| 2024 | +3.4% | 190 |
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 1,614 business establishments in ZIP 48170, employing approximately 33,685 people with a combined annual payroll of $2,456,466,000.
1,614
Businesses
33,685
Employees
$2.5B
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 273 | 16.9% |
| Health care and social assistance | 159 | 9.8% |
| Other services (except public administration) | 147 | 9.1% |
| Retail trade | 139 | 8.6% |
| Wholesale trade | 133 | 8.2% |
| Accommodation and food services | 119 | 7.4% |
| Manufacturing | 111 | 6.9% |
| Construction | 109 | 6.8% |
| Finance and insurance | 104 | 6.4% |
| Real estate and rental and leasing | 87 | 5.4% |
| Administrative and support and waste management and remediation services | 83 | 5.1% |
| Transportation and warehousing | 44 | 2.7% |
| Arts, entertainment, and recreation | 34 | 2.1% |
| Information | 27 | 1.7% |
| Management of companies and enterprises | 25 | 1.6% |
| Educational services | 18 | 1.1% |
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 48170 vs 48168 →
ZIP 48170 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 48187
Canton (48187)
49,148 residents
- 48185
Westland (48185)
47,618 residents
- 48188
Canton (48188)
41,025 residents
- 48170
Plymouth (48170)
39,963 residents
- 48198
Ypsilanti (48198)
38,186 residents
- 48178
South Lyon (48178)
29,320 residents
- 48375
Novi (48375)
21,801 residents
- 48168
Northville (48168)
21,781 residents
- 48167
Northville (48167)
21,534 residents
What this shows Among its immediate neighbors, ZIP 48170 ranks #4 by population - useful context the national average alone can't give.
ZIP 48170 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 48168
Northville (48168)
$187,589 median income
- 48374
Novi (48374)
$182,827 median income
- 48178
South Lyon (48178)
$131,558 median income
- 48167
Northville (48167)
$124,630 median income
- 48188
Canton (48188)
$122,781 median income
- 48187
Canton (48187)
$120,321 median income
- 48170
Plymouth (48170)
$114,278 median income
- 48375
Novi (48375)
$112,545 median income
- 48377
Novi (48377)
$83,104 median income
What this shows By household income, ZIP 48170 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 48168 | Northville, MI | 21,781 | 2.7 mi |
| 48167 | Northville, MI | 21,534 | 4.7 mi |
| 48187 | Canton, MI | 49,148 | 3.5 mi |
| 48374 | Novi, MI | 14,049 | 7.1 mi |
| 48188 | Canton, MI | 41,025 | 6.1 mi |
| 48198 | Ypsilanti, MI | 38,186 | 7.0 mi |
| 48375 | Novi, MI | 21,801 | 7.6 mi |
| 48185 | Westland, MI | 47,618 | 7.8 mi |
| 48377 | Novi, MI | 15,244 | 10.1 mi |
| 48178 | South Lyon, MI | 29,320 | 8.6 mi |
More ZIP Codes in Wayne County
Related Areas
Frequently Asked Questions
What county is ZIP code 48170 in? ▼
What is the population of ZIP code 48170? ▼
What is the median household income in ZIP 48170? ▼
What is the average home value in ZIP 48170? ▼
What is the demographic makeup of ZIP 48170? ▼
How many businesses are in ZIP code 48170? ▼
What are the main industries in ZIP code 48170? ▼
How have home values changed in ZIP code 48170? ▼
What is the education level in ZIP code 48170? ▼
What is the average commute time in ZIP 48170? ▼
What percentage of residents own vs. rent in ZIP 48170? ▼
What is the poverty rate in ZIP code 48170? ▼
Read our methodology to see how this data is sourced, computed, and verified.