48458 ZIP Code — Mount Morris, MI

Genesee County, Michigan

ZIP code 48458 is located in Mount Morris, Michigan, within Genesee County. It covers approximately 35.75 square miles and serves a population of 19,109 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 810.

About ZIP code 48458

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $82,700. Owner-occupancy sits near the national average at 67%.

Median household income is $43,830. Poverty affects 20% of residents, above the national average. SNAP benefit usage at 26% of households reflects economic stress in the area. 40% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 28 minutes is near the national average.

College attainment at 9% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of obesity (45%), diabetes (15%), smoking (27%) compared to national benchmarks.

Overall, ZIP code 48458 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

19,109

population

35.75

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

48458 ZIP code map

Cities in ZIP code 48458

Below are the cities the US Postal Service accepts for ZIP code 48458. Using any city not on this list may result in mail delivery delays.

City	Status
Mount Morris	Preferred

Nearby ZIP codes

48420 Clio (3.5 mi) 48505 Flint (4.2 mi) 48506 Flint (5.3 mi) 48504 Flint (6.2 mi) 48502 Flint (7.7 mi) 48551 Flint (7.8 mi) 48552 Flint (7.8 mi) 48554 Flint (7.8 mi) 48555 Flint (7.8 mi) 48550 Flint (7.8 mi) 48553 Flint (7.8 mi) 48556 Flint (7.8 mi)

Demographics updated 06/2026

Population
Total population	19,109
Population density	535 / sq mi
State FIPS	26
County FIPS	049

Geography
Land area	35.75 sq mi
Water area	0.55 sq mi
Latitude	43.1258
Longitude	-83.6861
Timezone	Eastern (ET)
Area code	810

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	63.8%	48.8%	42.6%
$50k – $100k	26.0%	30.0%	31.1%
$100k – $200k	8.3%	17.4%	20.6%
Over $200k	1.9%	3.8%	5.7%

Demographics & statistics

19,109

Population

535

People per sq mi

39.2

Median age

$43,830

Median household income

$29,223

Per capita income

$82,700

Median home value

$863

Median monthly rent

67.0%

Home ownership

20.2%

Poverty rate

13.1%

Unemployment

6,428

Housing units

9.2%

Bachelor's or higher

Age distribution

Male Female

652

Under 5

650

462

5–9

461

600

10–14

597

572

15–19

569

795

20–24

792

1,275

25–34

1,270

1,045

35–44

1,041

1,364

45–54

1,359

599

55–59

596

716

60–64

713

983

65–74

980

401

75–84

399

109

85+

109

← Male

Female →

Age summary

Group	Count	%
Under 18	4,138	21.7%
18 and over	14,971	78.3%
65 and over	2,981	15.6%
Median age	39.2 years

Race & ethnicity

White 64.1%

Black or African American 24.7%

Two or more races 6.2%

Hispanic or Latino 3.4%

Other race 1.2%

Asian 0.2%

American Indian / Alaska Native 0.2%

Group	Count	%
White	12,685	64.1%
Black or African American	4,892	24.7%
Two or more races	1,226	6.2%
Hispanic or Latino	682	3.4%
Other race	235	1.2%
Asian	39	0.2%
American Indian / Alaska Native	32	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	63.8%	48.8%	42.6%
$50k – $100k	26.0%	30.0%	31.1%
$100k – $200k	8.3%	17.4%	20.6%
Over $200k	1.9%	3.8%	5.7%

Under $10k 5.8%

$10k–$15k 5.9%

$15k–$25k 9.3%

$25k–$35k 13.7%

$35k–$50k 24.0%

$50k–$75k 16.6%

$75k–$100k 11.6%

$100k–$150k 9.4%

$150k–$200k 1.0%

$200k+ 2.7%

Range	% of households
Under $10k	5.8%
$10k–$15k	5.9%
$15k–$25k	9.3%
$25k–$35k	13.7%
$35k–$50k	24.0%
$50k–$75k	16.6%
$75k–$100k	11.6%
$100k–$150k	9.4%
$150k–$200k	1.0%
$200k+	2.7%
Median income	$43,830

Housing

Home values

Under $50k 29.5%

$50k–$100k 32.1%

$100k–$150k 16.6%

$150k–$200k 15.1%

$200k–$300k 4.9%

$300k–$500k 0.8%

$500k–$1M 0.8%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$82,700
Median rent / month	$863
Owner occupied	67.0%
Renter occupied	33.0%
Vacant	12.0%
Single-family detached	72.0%
Large apartment buildings	1.0%
Mobile homes	13.5%
Median rooms	5.2
Avg household size (owned)	2.34

Year built

Era	%
2020 or later	0.1%
2010–2019	0.4%
2000–2009	4.2%
1990–1999	6.4%
1980–1989	9.2%
1970–1979	18.0%
1960–1969	22.2%
1950–1959	17.9%
1940–1949	7.9%
1939 or earlier	13.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.9%
1 bedroom	5.1%
2 bedrooms	36.4%
3 bedrooms	48.7%
4 bedrooms	6.6%
5+ bedrooms	1.3%

Vehicles per household

Vehicles	% of households
No vehicle	8.1%
1 vehicle	40.9%
2 vehicles	34.5%
3 or more	16.5%

Heating fuel

Fuel type	%
Utility gas	85.8%
Electricity	10.2%
Propane / LP gas	2.8%
Fuel oil	0.6%
Wood	0.3%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	2,787	34.9%
Cohabiting couple	983	12.3%
Male householder, no spouse	1,685	21.1%
Female householder, no spouse	2,521	31.6%
Households with children under 18	2,406	30.2%
Households with seniors (65+)	2,367	29.7%
Average household size	2.39

Marital status

Status	Male	Female
Never married	37.3%	35.9%
Married	40.9%	37.0%
Separated	1.7%	3.5%
Widowed	3.6%	7.0%
Divorced	16.5%	16.6%

Education

Less than 9th grade 6.1%

Some HS, no diploma 7.8%

HS graduate 41.2%

Some college, no degree 27.6%

Associate's degree 8.2%

Bachelor's degree 6.5%

Graduate / professional 2.7%

Metric	%
HS diploma or higher	86.2%
Bachelor's or higher	9.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	190	4.9%
Kindergarten	35	0.9%
Elementary school	1,806	46.5%
High school	1,126	29.0%
College / grad school	729	18.8%

Employment

Industry of employment

Manufacturing 19.5%

Education & healthcare 19.1%

Retail trade 18.2%

Other services 8.5%

Construction 8.3%

Arts, food & hospitality 7.6%

Professional & management 5.3%

Transportation & utilities 4.1%

Wholesale trade 3.3%

Public administration 2.2%

Finance & real estate 1.8%

Information 1.1%

Agriculture & mining 1.0%

Occupation

Category	%
Management, business & arts	16.6%
Service	25.5%
Sales & office	21.2%
Natural resources & construction	10.4%
Production & transportation	26.3%

Employment type

Type	%
Private sector	88.9%
Government	5.3%
Self-employed	5.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.0%
Carpool	11.7%
Public transit	0.4%
Walk	0.8%
Work from home	4.4%
Other means	1.7%
Avg commute (minutes)	27.5

Poverty

All people 20.2%

Under 18 years 26.8%

18 and over 18.4%

Married-couple families 6.2%

Female-led households 31.3%

Income support

Source	% of households
Social Security	40.0%
Retirement income	27.6%
Supplemental Security	11.9%
Cash public assistance	4.5%
Food stamps / SNAP	25.7%

Health indicators

Condition	%
Obesity	45.3%
High blood pressure	39.9%
High cholesterol	36.6%
Diabetes	15.1%
Heart disease	8.0%
Stroke	4.6%
Asthma	13.2%
Arthritis	34.0%
Kidney disease	3.8%
Pulmonary disease	10.5%
Cancer	6.5%

Behavior / access	%
Smoking	26.8%
Binge drinking	17.2%
No physical activity	30.0%
Less than 7 hrs sleep	41.8%
Depression	24.9%
Fair or poor health	22.6%
Poor mental health	19.6%
Poor physical health	15.0%
No health insurance	12.7%
Visited doctor (checkup)	75.8%
Visited dentist	60.2%
Cholesterol screening	89.7%
Teeth loss	20.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,347	9.0%

Disability	%
Any disability	21.8%
Under 18	9.2%
18–64 years	18.9%
65 and over	50.6%

Health insurance coverage

Type	%
Private insurance	48.6%
Public insurance	61.0%
No insurance	5.3%
Uninsured under 19	1.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,807	93.2%
Spanish	423	2.4%
Other Indo-European	192	1.1%
Asian & Pacific Islander	37	0.2%
Other languages	34	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,532	97.0%
Born in same state	18,478	96.7%
Born in different state	15,783	82.6%
Foreign born	54	0.3%
Naturalized citizen	577	3.0%
Not a US citizen	334	57.9%

Ancestry

Ancestry	Count	%
French	1,656	8.7%
Italian	1,599	8.4%
Arab	945	4.9%
Irish	202	1.1%
German	173	0.9%

Ancestry	Count	%
Polish	146	0.8%
English	138	0.7%
Dutch	34	0.2%
Norwegian	11	0.1%

Technology access

Metric	% of households
Computer access	41.7%
Internet access	90.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 48458

What city is ZIP code 48458 in?

ZIP code 48458 is primarily assigned to Mount Morris, Michigan.

What county is ZIP code 48458 in?

ZIP code 48458 falls within Genesee County, Michigan.

How educated is the population of ZIP code 48458?

9% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the poverty rate in ZIP code 48458?

20% of residents in ZIP code 48458 live below the poverty line, above the national average.

What are the health statistics for ZIP code 48458?

Health data for ZIP code 48458 shows elevated rates of obesity (45%) and diabetes (15%) and smoking (27%) compared to national benchmarks.

Does ZIP code 48458 have a large retiree population?

40% of households in ZIP code 48458 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 48458 in?

ZIP code 48458 observes the EST timezone.