PlainZIP

Sumner, MI · standard

ZIP Code 48889

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

1,322
17/sq mi
$60,200
Median income
$157,900
Median home value
11.4%
Bachelor's or higher

The verdict

Sumner pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.

29th pct
household income, US ZIPs
29th pct
home value, US ZIPs
17
people per sq mi
84%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 48889 against every reporting US ZIP.

ZIP code 48889 is a sparsely populated ZIP (a standard USPS delivery area) in Sumner, Gratiot County, Michigan, home to just 1,322 residents across 76.4 square miles, a density of 17 people per square mile, in the Detroit time zone.

ZIP 48889 reports a modest median household income of $60,200 (18% below the Michigan average), while per-capita income is $41,922. Poverty here runs at 11.2%, with unemployment measured at 7.0%. The typical home here is valued at $157,900 (28% below the state average); renters pay a median of $1,115 monthly, and 83.8% of units are owner-occupied.

Formal educational attainment runs low here: just 11.4% of adults hold a bachelor's degree or higher, the median age is 47.7, and the average commute is 23 minutes. Beyond these figures, 8 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Gratiot County, letting you compare 48889 to its immediate surroundings rather than a national baseline 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 →

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 48889, Sumner, 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

1,322

Population

76.4

Area (sq mi)

17

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 48889?

47.7

Median Age

45.5%

Male

54.5%

Female

1.5%

Foreign-Born

White 97.3%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.7%
Hispanic or Latino 1.2%

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?

$60,200

Median Household Income

-18% vs state

$41,922

Per Capita Income

11.2%

Poverty Rate

7.0%

Unemployment Rate

23.4 min

Mean Commute Time

How ZIP 48889 ranks nationally

Sumner, MI household income vs. every US ZIP code

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

$60,200 29th percentile higher than 29% 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 61.1%
Bachelor's Degree or Higher 11.4%

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

What does housing look like?

644

Total Housing Units

612

Occupied Units

32

Vacant Units

2.46

Avg Household Size

Occupancy Type

Owner 83.8%
Renter 16.2%

$157,900

Median Home Value

-28% vs state

$1,115

Median Rent

1974

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

+18.8%

YoY Change (2021)

164

HPI Index (2000 = 100)

+64%

Total Change Since 2000

Home values in ZIP 48889 have increased 18.8% over the past year (2021). Since 2000, this ZIP has seen +64% cumulative appreciation.

Year Annual Change HPI Index
2017 +8.4% 120
2018 +5.1% 126
2019 +4.5% 132
2020 +5.1% 138
2021 +18.8% 164

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 2021. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 15 business establishments in ZIP 48889, employing approximately 65 people with a combined annual payroll of $3,488,000.

15

Businesses

65

Employees

$3.5M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Construction 3 20.0%

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 48889 vs 48818 →

ZIP 48889 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 48889 ranks #8 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 48889 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 48889 ranks #6 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
48818 Crystal, MI 2,407 4.9 mi
48832 Elwell, MI 1,393 8.5 mi
48856 Middleton, MI 966 7.0 mi
48877 Riverdale, MI 2,392 7.9 mi
48811 Carson City, MI 5,641 8.2 mi
48801 Alma, MI 12,923 8.4 mi
48891 Vestaburg, MI 2,985 9.3 mi
48871 Perrinton, MI 1,952 11.3 mi

More ZIP Codes in Gratiot County

48801 standard
Alma, MI
Pop: 12,923
48847 standard
Ithaca, MI
Pop: 6,041
48615 standard
Breckenridge, MI
Pop: 3,058
48877 standard
Riverdale, MI
Pop: 2,392
48871 standard
Perrinton, MI
Pop: 1,952
48806 standard
Ashley, MI
Pop: 1,676

Related Areas

Gratiot County Sumner, MI Michigan

Frequently Asked Questions

What county is ZIP code 48889 in? ▼
ZIP code 48889 (Sumner) is located in Gratiot County, Michigan. Gratiot County contains multiple ZIP codes, see the full list at /counties/gratiot-mi.
What is the population of ZIP code 48889? ▼
ZIP code 48889 in Sumner, MI has a population of 1,322 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 48889? ▼
The median household income in ZIP 48889 is $60,200, which is 21% below the national average of $76,288.
What is the average home value in ZIP 48889? ▼
The median home value in ZIP 48889 is $157,900, which is 43% below the national average of $278,155.
What is the demographic makeup of ZIP 48889? ▼
The largest racial group in ZIP 48889 is White at 97.3%. Hispanic or Latino residents make up 1.2% of the population.
How many businesses are in ZIP code 48889? ▼
ZIP code 48889 has 15 business establishments employing approximately 65 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
How have home values changed in ZIP code 48889? ▼
According to the FHFA House Price Index, home values in ZIP 48889 increased by 18.8% in 2021. Since 2000, home values in this ZIP have appreciated by approximately 64%. 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 48889? ▼
In ZIP code 48889, 61.1% of residents aged 25+ have a high school diploma or higher, and 11.4% 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 48889? ▼
The mean commute time for workers in ZIP code 48889 is 23.4 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 48889? ▼
In ZIP code 48889, approximately 83.8% of occupied housing units are owner-occupied and 16.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 48889? ▼
The poverty rate in ZIP code 48889 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.