48820 ZIP Code — Dewitt, MI

Clinton County, Michigan

ZIP code 48820 is located in Dewitt, Michigan, within Clinton County. It covers approximately 65.77 square miles and serves a population of 18,046 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 517.

About ZIP code 48820

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $282,300. Owner-occupancy is high at 83%, well above the national average.

Median household income is $99,570. The poverty rate of 3% is below the national average. 35% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 23 minutes is near the national average.

Educational attainment is near the national average, with 43% of residents holding a bachelor's degree or higher.

Overall, ZIP code 48820 reflects a community defined by high homeownership and a significant Social Security-dependent population.

18,046

population

65.77

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

48820 ZIP code map

Cities in ZIP code 48820

Below are the cities the US Postal Service accepts for ZIP code 48820. Using any city not on this list may result in mail delivery delays.

City	Status
Dewitt	Acceptable
Dewitt	Preferred

Nearby ZIP codes

48906 Lansing (5.2 mi) 48808 Bath (7.8 mi) 48924 Lansing (8.1 mi) 48915 Lansing (8.3 mi) 48912 Lansing (8.6 mi) 48822 Eagle (8.6 mi) 48929 Lansing (8.8 mi) 48918 Lansing (8.8 mi) 48919 Lansing (8.8 mi) 48913 Lansing (8.8 mi) 48980 Lansing (8.8 mi) 48922 Lansing (8.8 mi)

Demographics updated 06/2026

Population
Total population	18,046
Population density	274 / sq mi
State FIPS	26
County FIPS	037

Geography
Land area	65.77 sq mi
Water area	0.55 sq mi
Latitude	42.8567
Longitude	-84.5914
Timezone	Eastern (ET)
Area code	517

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.9%	38.9%	42.6%
$50k – $100k	28.1%	33.9%	31.1%
$100k – $200k	34.4%	22.1%	20.6%
Over $200k	10.6%	5.1%	5.7%

Demographics & statistics

18,046

Population

274

People per sq mi

43.2

Median age

$99,570

Median household income

$47,715

Per capita income

$282,300

Median home value

$1,052

Median monthly rent

83.3%

Home ownership

3.4%

Poverty rate

2.7%

Unemployment

5,814

Housing units

42.5%

Bachelor's or higher

Age distribution

Male Female

525

Under 5

543

469

5–9

485

588

10–14

609

549

15–19

568

423

20–24

437

934

25–34

966

1,137

35–44

1,175

1,317

45–54

1,362

629

55–59

650

620

60–64

641

1,032

65–74

1,068

491

75–84

507

158

85+

163

← Male

Female →

Age summary

Group	Count	%
Under 18	3,972	22.0%
18 and over	14,074	78.0%
65 and over	3,419	18.9%
Median age	43.2 years

Race & ethnicity

White 86.6%

Two or more races 5.1%

Hispanic or Latino 4.4%

Other race 1.8%

Black or African American 1.6%

American Indian / Alaska Native 0.3%

Asian 0.2%

Group	Count	%
White	16,346	86.6%
Two or more races	963	5.1%
Hispanic or Latino	830	4.4%
Other race	341	1.8%
Black or African American	298	1.6%
American Indian / Alaska Native	59	0.3%
Asian	39	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.9%	38.9%	42.6%
$50k – $100k	28.1%	33.9%	31.1%
$100k – $200k	34.4%	22.1%	20.6%
Over $200k	10.6%	5.1%	5.7%

Under $10k 1.6%

$10k–$15k 0.8%

$15k–$25k 3.3%

$25k–$35k 8.0%

$35k–$50k 8.5%

$50k–$75k 16.2%

$75k–$100k 11.8%

$100k–$150k 22.1%

$150k–$200k 13.5%

$200k+ 14.3%

Range	% of households
Under $10k	1.6%
$10k–$15k	0.8%
$15k–$25k	3.3%
$25k–$35k	8.0%
$35k–$50k	8.5%
$50k–$75k	16.2%
$75k–$100k	11.8%
$100k–$150k	22.1%
$150k–$200k	13.5%
$200k+	14.3%
Median income	$99,570

Housing

Home values

Under $50k 1.1%

$50k–$100k 1.8%

$100k–$150k 7.0%

$150k–$200k 13.2%

$200k–$300k 31.7%

$300k–$500k 35.4%

$500k–$1M 9.2%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$282,300
Median rent / month	$1,052
Owner occupied	83.3%
Renter occupied	16.7%
Vacant	1.8%
Single-family detached	83.5%
Large apartment buildings	1.1%
Mobile homes	0.2%
Median rooms	7.1
Avg household size (owned)	2.76

Year built

Era	%
2020 or later	1.6%
2010–2019	7.8%
2000–2009	16.4%
1990–1999	19.0%
1980–1989	12.5%
1970–1979	16.2%
1960–1969	11.2%
1950–1959	6.2%
1940–1949	2.1%
1939 or earlier	6.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.1%
1 bedroom	3.1%
2 bedrooms	15.1%
3 bedrooms	41.7%
4 bedrooms	28.8%
5+ bedrooms	11.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.2%
1 vehicle	25.1%
2 vehicles	44.8%
3 or more	28.9%

Heating fuel

Fuel type	%
Utility gas	72.9%
Electricity	10.2%
Propane / LP gas	11.5%
Fuel oil	1.5%
Wood	2.2%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	4,157	60.9%
Cohabiting couple	410	6.0%
Male householder, no spouse	870	12.7%
Female householder, no spouse	1,388	20.3%
Households with children under 18	2,247	32.9%
Households with seniors (65+)	2,153	31.5%
Average household size	2.62

Marital status

Status	Male	Female
Never married	29.0%	22.6%
Married	59.9%	59.3%
Separated	0.7%	0.7%
Widowed	2.0%	6.4%
Divorced	8.4%	11.1%

Education

Less than 9th grade 1.6%

Some HS, no diploma 2.2%

HS graduate 20.6%

Some college, no degree 20.5%

Associate's degree 12.5%

Bachelor's degree 26.1%

Graduate / professional 16.4%

Metric	%
HS diploma or higher	96.1%
Bachelor's or higher	42.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	320	8.0%
Kindergarten	192	4.8%
Elementary school	1,661	41.5%
High school	1,042	26.1%
College / grad school	785	19.6%

Employment

Industry of employment

Education & healthcare 26.4%

Finance & real estate 11.0%

Manufacturing 10.7%

Public administration 9.7%

Retail trade 8.9%

Professional & management 7.8%

Construction 7.1%

Arts, food & hospitality 5.9%

Other services 4.9%

Transportation & utilities 3.6%

Wholesale trade 2.3%

Information 1.0%

Agriculture & mining 0.8%

Occupation

Category	%
Management, business & arts	47.2%
Service	12.4%
Sales & office	21.1%
Natural resources & construction	7.1%
Production & transportation	12.2%

Employment type

Type	%
Private sector	71.3%
Government	21.7%
Self-employed	6.9%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	78.0%
Carpool	5.0%
Public transit	0.1%
Walk	1.0%
Work from home	14.9%
Other means	0.9%
Avg commute (minutes)	23.3

Poverty

All people 3.4%

Under 18 years 2.3%

18 and over 3.7%

Married-couple families 1.9%

Female-led households 1.3%

Income support

Source	% of households
Social Security	34.5%
Retirement income	31.8%
Supplemental Security	2.4%
Cash public assistance	1.3%
Food stamps / SNAP	3.1%

Health indicators

Condition	%
Obesity	32.6%
High blood pressure	29.4%
High cholesterol	33.9%
Diabetes	8.9%
Heart disease	5.3%
Stroke	2.3%
Asthma	10.2%
Arthritis	27.4%
Kidney disease	2.4%
Pulmonary disease	5.6%
Cancer	6.6%

Behavior / access	%
Smoking	15.0%
Binge drinking	19.5%
No physical activity	15.1%
Less than 7 hrs sleep	30.4%
Depression	20.5%
Fair or poor health	10.3%
Poor mental health	14.2%
Poor physical health	8.6%
No health insurance	7.1%
Visited doctor (checkup)	75.4%
Visited dentist	77.3%
Cholesterol screening	93.0%
Teeth loss	8.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,090	7.7%

Disability	%
Any disability	11.5%
Under 18	1.7%
18–64 years	10.1%
65 and over	27.5%

Health insurance coverage

Type	%
Private insurance	86.5%
Public insurance	27.4%
No insurance	4.0%
Uninsured under 19	2.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	16,978	94.1%
Spanish	169	1.0%
Other Indo-European	75	0.4%
Asian & Pacific Islander	56	0.3%
Other languages	6	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	17,590	97.5%
Born in same state	17,420	96.5%
Born in different state	14,388	79.7%
Foreign born	170	0.9%
Naturalized citizen	456	2.5%
Not a US citizen	324	71.1%

Ancestry

Ancestry	Count	%
French	2,802	15.5%
Italian	2,078	11.5%
Arab	796	4.4%
English	478	2.6%
German	270	1.5%

Ancestry	Count	%
Polish	177	1%
Irish	133	0.7%
Dutch	19	0.1%
Norwegian	15	0.1%

Technology access

Metric	% of households
Computer access	37.8%
Internet access	94.7%

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

Frequently asked questions about ZIP code 48820

What city is ZIP code 48820 in?

ZIP code 48820 is primarily assigned to Dewitt, Michigan.

What county is ZIP code 48820 in?

ZIP code 48820 falls within Clinton County, Michigan.

Is ZIP code 48820 mostly owner-occupied?

83% of occupied units in ZIP code 48820 are owner-occupied, well above the national average.

What is the population of ZIP code 48820?

ZIP code 48820 has an estimated population of 18,046 residents, with a density of 274 people per square mile.

What is the median household income in ZIP code 48820?

The median household income in ZIP code 48820 is $99,570, above the national median of ~$75,000.

What is the typical home value in ZIP code 48820?

The median home value in ZIP code 48820 is $282,300.

What timezone is ZIP code 48820 in?

ZIP code 48820 observes the EST timezone.