PlainZIP

Petersburg, MI · standard

ZIP Code 49270

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

5,874
51/sq mi
$94,840
Median income
$297,600
Median home value
26.5%
Bachelor's or higher

The verdict

Petersburg pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.

Top 23%
household income, US ZIPs
Top 34%
home value, US ZIPs
51
people per sq mi
92%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 49270 against every reporting US ZIP.

ZIP code 49270 is a mid-sized community (a standard USPS delivery area) in Petersburg, Monroe County, Michigan, home to 5,874 residents across 116.1 square miles, a density of 51 people per square mile, in the Detroit time zone.

ZIP 49270 lands in the middle-income range, with a median household income of $94,840 (29% above the Michigan average), while per-capita income is $46,660. The poverty rate stands at 5.7% and the unemployment rate at 3.7%. Median home value sits at $297,600 (36% above the state average), median rent at $918 a month, and owner-occupancy at 92.3%.

Educational attainment sits below the national norm: 26.5% of adults hold a bachelor's degree or higher, the median age is 45.8, and the average commute is 29 minutes. We also surface 9 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Monroe County, so you can benchmark 49270 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 49270

Top 5 sectors by establishment count in Petersburg, MI

Which industries have the most business establishments in ZIP 49270.

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 49270, Petersburg, 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

5,874

Population

116.1

Area (sq mi)

51

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 49270?

45.8

Median Age

49.3%

Male

50.7%

Female

0.9%

Foreign-Born

White 92.4%
African American 0.0%
Asian 0.4%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.0%
Hispanic or Latino 2.1%

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?

$94,840

Median Household Income

+29% vs state

$46,660

Per Capita Income

5.7%

Poverty Rate

3.7%

Unemployment Rate

29.4 min

Mean Commute Time

How ZIP 49270 ranks nationally

Petersburg, MI household income vs. every US ZIP code

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

$94,840 Top 23% higher than 77% 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%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $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 57.2%
Bachelor's Degree or Higher 26.5%

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

What does housing look like?

2,209

Total Housing Units

2,043

Occupied Units

166

Vacant Units

2.71

Avg Household Size

Occupancy Type

Owner 92.3%
Renter 7.7%

$297,600

Median Home Value

+36% vs state

$918

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

-4.0%

YoY Change (2024)

169

HPI Index (2000 = 100)

+69%

Total Change Since 2000

Home values in ZIP 49270 have decreased 4.0% over the past year (2024). Since 2000, this ZIP has seen +69% cumulative appreciation.

Year Annual Change HPI Index
2020 +6.5% 137
2021 +6.3% 146
2022 +9.0% 159
2023 +10.8% 176
2024 -4.0% 169

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 48 business establishments in ZIP 49270, employing approximately 549 people with a combined annual payroll of $30,133,000.

48

Businesses

549

Employees

$30.1M

Annual Payroll

9

Industry Sectors

Industry Establishments % of Total
Construction 10 20.8%
Accommodation and food services 7 14.6%
Other services (except public administration) 5 10.4%
Manufacturing 4 8.3%
Transportation and warehousing 4 8.3%
Wholesale trade 3 6.3%
Retail trade 3 6.3%
Administrative and support and waste management and remediation services 3 6.3%
Health care and social assistance 3 6.3%

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 49270 vs 48131 →

ZIP 49270 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 49270 ranks #4 by population - useful context the national average alone can't give.

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

ZIP 49270 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 49270 ranks #5 of 9 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
48131 Dundee, MI 6,764 6.7 mi
48140 Ida, MI 3,095 5.3 mi
49238 Deerfield, MI 1,735 5.8 mi
49267 Ottawa Lake, MI 4,072 7.8 mi
48177 Samaria, MI 218 7.0 mi
48144 Lambertville, MI 9,952 8.5 mi
49276 Riga, MI 1,003 7.2 mi
48182 Temperance, MI 21,708 7.6 mi
49229 Britton, MI 3,245 11.0 mi

More ZIP Codes in Monroe County

48162 standard
Monroe, MI
Pop: 29,344
48161 standard
Monroe, MI
Pop: 26,470
48182 standard
Temperance, MI
Pop: 21,708
48166 standard
Newport, MI
Pop: 11,569
48117 standard
Carleton, MI
Pop: 10,124
48144 standard
Lambertville, MI
Pop: 9,952

Related Areas

Monroe County Petersburg, MI Michigan

Frequently Asked Questions

What county is ZIP code 49270 in? ▼
ZIP code 49270 (Petersburg) is located in Monroe County, Michigan. Monroe County contains multiple ZIP codes, see the full list at /counties/monroe-mi.
What is the population of ZIP code 49270? ▼
ZIP code 49270 in Petersburg, MI has a population of 5,874 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 49270? ▼
The median household income in ZIP 49270 is $94,840, which is 24% above the national average of $76,288.
What is the average home value in ZIP 49270? ▼
The median home value in ZIP 49270 is $297,600, which is 7% above the national average of $278,155.
What is the demographic makeup of ZIP 49270? ▼
The largest racial group in ZIP 49270 is White at 92.4%. Hispanic or Latino residents make up 2.1% of the population.
How many businesses are in ZIP code 49270? ▼
ZIP code 49270 has 48 business establishments employing approximately 549 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 49270? ▼
The top industries by establishment count in ZIP 49270 are: Construction (10), Accommodation and food services (7), Other services (except public administration) (5). There are 9 industry sectors represented in total.
How have home values changed in ZIP code 49270? ▼
According to the FHFA House Price Index, home values in ZIP 49270 decreased by 4.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 69%. 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 49270? ▼
In ZIP code 49270, 57.2% of residents aged 25+ have a high school diploma or higher, and 26.5% 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 49270? ▼
The mean commute time for workers in ZIP code 49270 is 29.4 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 49270? ▼
In ZIP code 49270, approximately 92.3% of occupied housing units are owner-occupied and 7.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 49270? ▼
The poverty rate in ZIP code 49270 is 5.7% 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.