PlainZIP

Algonac, MI · standard

ZIP Code 48001

St. Clair County, Michigan - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

11,986
243/sq mi
$69,160
Median income
$257,400
Median home value
17.1%
Bachelor's or higher

The verdict

Algonac pairs a below-median household income with above-median home values, in a low-density, homeowner-dominated area.

45th pct
household income, US ZIPs
Top 41%
home value, US ZIPs
243
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 48001 against every reporting US ZIP.

ZIP code 48001 is a mid-sized community (a standard USPS delivery area) in Algonac, St. Clair County, Michigan, home to 11,986 residents across 49.2 square miles, a density of 243 people per square mile, in the Detroit time zone.

ZIP 48001 reports a modest median household income of $69,160 (6% below the Michigan average), while per-capita income is $40,403. Poverty here runs at 11.2%, with unemployment measured at 5.3%. The typical home here is valued at $257,400 (17% above the state average); renters pay a median of $944 monthly, and 86.3% of units are owner-occupied.

Educational attainment sits below the national norm: 17.1% of adults hold a bachelor's degree or higher, the median age is 52.4, and the average commute is 35 minutes. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing St. Clair County, so you can benchmark 48001 against its immediate geography rather than a national average alone.

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 48001

Top 5 sectors by establishment count in Algonac, MI

Which industries have the most business establishments in ZIP 48001.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 48001, Algonac, 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

11,986

Population

49.2

Area (sq mi)

243

People / sq mi

Detroit

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 48001?

52.4

Median Age

52.4%

Male

47.6%

Female

2.0%

Foreign-Born

White 94.3%
African American 0.4%
Asian 0.3%
American Indian or Alaska Native 0.4%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.0%
Hispanic or Latino 2.3%

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?

$69,160

Median Household Income

-6% vs state

$40,403

Per Capita Income

11.2%

Poverty Rate

5.3%

Unemployment Rate

35.3 min

Mean Commute Time

How ZIP 48001 ranks nationally

Algonac, MI household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$69,160 45th percentile higher than 45% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 52.8%
Bachelor's Degree or Higher 17.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

5,607

Total Housing Units

5,143

Occupied Units

464

Vacant Units

2.18

Avg Household Size

Occupancy Type

Owner 86.3%
Renter 13.7%

$257,400

Median Home Value

+17% vs state

$944

Median Rent

1973

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

+2.3%

YoY Change (2024)

159

HPI Index (2000 = 100)

+59%

Total Change Since 2000

Home values in ZIP 48001 have increased 2.3% over the past year (2024). Since 2000, this ZIP has seen +59% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.9% 121
2021 +9.5% 132
2022 +10.8% 147
2023 +6.0% 156
2024 +2.3% 159

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 184 business establishments in ZIP 48001, employing approximately 1,147 people with a combined annual payroll of $43,384,000.

184

Businesses

1,147

Employees

$43.4M

Annual Payroll

12

Industry Sectors

Industry Establishments % of Total
Construction 31 16.9%
Retail trade 30 16.3%
Accommodation and food services 22 12.0%
Other services (except public administration) 22 12.0%
Health care and social assistance 17 9.2%
Professional, scientific, and technical services 16 8.7%
Manufacturing 11 6.0%
Administrative and support and waste management and remediation services 11 6.0%
Real estate and rental and leasing 7 3.8%
Finance and insurance 6 3.3%
Arts, entertainment, and recreation 5 2.7%
Transportation and warehousing 4 2.2%

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 48001 vs 48039 →

ZIP 48001 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 48001 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 48001 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 48001 ranks #6 of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
48039 Marine City, MI 7,807 4.3 mi
48028 Harsens Island, MI 1,190 3.9 mi
48023 Fair Haven, MI 5,178 6.0 mi
48054 East China, MI 7,339 9.4 mi
48064 Casco, MI 4,107 10.1 mi

More ZIP Codes in St. Clair County

48060 standard
Port Huron, MI
Pop: 40,831
48059 standard
Fort Gratiot, MI
Pop: 15,123
48079 standard
Saint Clair, MI
Pop: 12,304
48040 standard
Marysville, MI
Pop: 9,956
48074 standard
Smiths Creek, MI
Pop: 9,356
48039 standard
Marine City, MI
Pop: 7,807

Related Areas

St. Clair County Algonac, MI Michigan

Frequently Asked Questions

What county is ZIP code 48001 in? ▼
ZIP code 48001 (Algonac) is located in St. Clair County, Michigan. St. Clair County contains multiple ZIP codes, see the full list at /counties/st-clair-mi.
What is the population of ZIP code 48001? ▼
ZIP code 48001 in Algonac, MI has a population of 11,986 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 48001? ▼
The median household income in ZIP 48001 is $69,160, which is 9% below the national average of $76,288.
What is the average home value in ZIP 48001? ▼
The median home value in ZIP 48001 is $257,400, which is 7% below the national average of $278,155.
What is the demographic makeup of ZIP 48001? ▼
The largest racial group in ZIP 48001 is White at 94.3%. Hispanic or Latino residents make up 2.3% of the population.
How many businesses are in ZIP code 48001? ▼
ZIP code 48001 has 184 business establishments employing approximately 1,147 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 48001? ▼
The top industries by establishment count in ZIP 48001 are: Construction (31), Retail trade (30), Accommodation and food services (22). There are 12 industry sectors represented in total.
How have home values changed in ZIP code 48001? ▼
According to the FHFA House Price Index, home values in ZIP 48001 increased by 2.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 59%. 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 48001? ▼
In ZIP code 48001, 52.8% of residents aged 25+ have a high school diploma or higher, and 17.1% 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 48001? ▼
The mean commute time for workers in ZIP code 48001 is 35.3 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 48001? ▼
In ZIP code 48001, approximately 86.3% of occupied housing units are owner-occupied and 13.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 48001? ▼
The poverty rate in ZIP code 48001 is 11.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.