Onamia ZIP Codes — Mille Lacs County, MN

There is one unique ZIP code in Onamia, Minnesota and it is 56359. Area code: 320.

ZIP codes

170.74

sq mi land

85.14

sq mi water

320

area code

Onamia, MN ZIP code map

About Onamia, MN

Onamia, Minnesota, is a small city that beautifully embodies the charm of rural life in Mille Lacs County. Known for its serene landscapes and rich natural resources, it offers a unique experience for both residents and visitors alike. This city is characterized by its close-knit community and the surrounding beauty of lakes and forests.

Location & geography

Onamia is located in the central part of Minnesota, making it an accessible destination for those exploring the region. The city is approximately 20 miles northeast of Milaca, around 22 miles south of Brainerd, and about 40 miles southwest of Duluth. The geographical makeup features a land area of 170.74 square miles, along with an impressive water area of 85.14 square miles, consisting of numerous lakes and wetlands.

Community & economy

The community of Onamia is welcoming, with a strong sense of pride and a commitment to preserving local culture and heritage. The economy is primarily driven by industries such as tourism, agriculture, and small businesses that cater to both locals and visitors. Daily life in Onamia typically includes outdoor activities and community events, fostering a spirit of togetherness among residents.

Transportation

Transportation in Onamia is accessible, with Minnesota State Highway 27 passing through the city, linking it to neighboring areas. The nearest major airport is Brainerd Lakes Regional Airport, located about 25 miles southwest, which provides both domestic and regional flights. Public transit options are limited, making personal vehicles the most common mode of transportation in and around the city.

History

Onamia was established in the late 19th century and became a hub for logging and agriculture in the area. Key industries in the region historically revolved around natural resources, including lumber production and agriculture. Notable events, such as local festivals and the growth of tourism related to the area's lakes, have shaped the city's identity over the years.

Did you know?

One surprising fact about Onamia is that it is home to the Mille Lacs Indian Museum, which showcases the culture and heritage of the Mille Lacs Band of Ojibwe. This small city also hosts various fishing tournaments and outdoor events, drawing in enthusiasts from all over the state.

ZIP codes for Onamia, MN (1)

ZIP code	City	County	Map
56359	Onamia	Mille Lacs	View map

Demographics & statistics

3,549

Population

42.3

Median age

$55,575

Median household income

$28,112

Per capita income

$190,700

Median home value

$823

Median monthly rent

69.0%

Home ownership

20.6%

Poverty rate

8.7%

Unemployment

1,672

Housing units

16.9%

Bachelor's or higher

Age distribution

Male Female

111

Under 5

114

127

5–9

131

134

10–14

137

135

15–19

139

20–24

151

25–34

154

181

35–44

186

205

45–54

209

133

55–59

136

125

60–64

127

200

65–74

204

116

75–84

118

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	969	27.3%
18 and over	2,580	72.7%
65 and over	746	21.0%
Median age	42.3 years

Race & ethnicity

White 61.8%

American Indian / Alaska Native 25.3%

Two or more races 8.1%

Hispanic or Latino 2.3%

Other race 1.6%

Black or African American 0.8%

Asian 0.1%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	2,244	61.8%
American Indian / Alaska Native	918	25.3%
Two or more races	295	8.1%
Hispanic or Latino	82	2.3%
Other race	57	1.6%
Black or African American	29	0.8%
Asian	3	0.1%
Native Hawaiian / Pacific Islander	3	0.1%

Household income

Under $10k 6.5%

$10k–$15k 7.6%

$15k–$25k 11.3%

$25k–$35k 8.4%

$35k–$50k 10.5%

$50k–$75k 20.0%

$75k–$100k 11.2%

$100k–$150k 15.3%

$150k–$200k 3.9%

$200k+ 5.3%

Range	% of households
Under $10k	6.5%
$10k–$15k	7.6%
$15k–$25k	11.3%
$25k–$35k	8.4%
$35k–$50k	10.5%
$50k–$75k	20.0%
$75k–$100k	11.2%
$100k–$150k	15.3%
$150k–$200k	3.9%
$200k+	5.3%
Median income	$55,575

Housing

Home values

Under $50k 5.2%

$50k–$100k 13.5%

$100k–$150k 18.7%

$150k–$200k 15.7%

$200k–$300k 22.1%

$300k–$500k 19.9%

$500k–$1M 4.4%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$190,700
Median rent / month	$823
Owner occupied	69.0%
Renter occupied	31.0%
Vacant	35.7%
Single-family detached	69.9%
Large apartment buildings	4.4%
Mobile homes	12.3%
Median rooms	5.2
Avg household size (owned)	2.48

Year built

Era	%
2020 or later	0.1%
2010–2019	4.8%
2000–2009	17.4%
1990–1999	18.5%
1980–1989	13.4%
1970–1979	12.9%
1960–1969	6.4%
1950–1959	7.3%
1940–1949	6.7%
1939 or earlier	12.5%

Bedrooms

Size	% of units
No bedroom (studio)	2.5%
1 bedroom	10.4%
2 bedrooms	32.6%
3 bedrooms	36.0%
4 bedrooms	13.1%
5+ bedrooms	5.3%

Vehicles per household

Vehicles	% of households
No vehicle	12.1%
1 vehicle	28.7%
2 vehicles	32.1%
3 or more	27.2%

Heating fuel

Fuel type	%
Utility gas	42.0%
Electricity	11.2%
Propane / LP gas	34.8%
Fuel oil	1.7%
Wood	7.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	490	36.5%
Cohabiting couple	129	9.6%
Male householder, no spouse	339	25.2%
Female householder, no spouse	385	28.7%
Households with children under 18	348	25.9%
Households with seniors (65+)	503	37.5%
Average household size	2.54

Marital status

Status	Male	Female
Never married	39.7%	35.5%
Married	37.6%	37.2%
Separated	1.4%	0.8%
Widowed	4.7%	12.9%
Divorced	16.6%	13.6%

Education

Less than 9th grade 2.7%

Some HS, no diploma 10.4%

HS graduate 32.8%

Some college, no degree 26.3%

Associate's degree 10.9%

Bachelor's degree 10.0%

Graduate / professional 6.9%

Metric	%
HS diploma or higher	86.9%
Bachelor's or higher	16.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	55	6.5%
Kindergarten	94	11.2%
Elementary school	382	45.4%
High school	254	30.2%
College / grad school	56	6.7%

Employment

Industry of employment

Education & healthcare 23.6%

Arts, food & hospitality 16.8%

Manufacturing 11.7%

Public administration 10.2%

Retail trade 10.0%

Construction 8.5%

Agriculture & mining 4.3%

Professional & management 4.1%

Other services 3.4%

Transportation & utilities 2.7%

Finance & real estate 2.6%

Wholesale trade 1.3%

Information 0.8%

Occupation

Category	%
Management, business & arts	30.3%
Service	23.6%
Sales & office	20.1%
Natural resources & construction	12.1%
Production & transportation	13.9%

Employment type

Type	%
Private sector	70.6%
Government	24.3%
Self-employed	4.7%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	74.1%
Carpool	12.7%
Public transit	0.7%
Walk	4.5%
Other means	0.8%
Avg commute (minutes)	26.5

Poverty

All people 20.6%

Under 18 years 30.8%

18 and over 17.0%

Married-couple families 5.5%

Female-led households 35.1%

Income support

Source	% of households
Social Security	43.7%
Retirement income	27.1%
Supplemental Security	7.8%
Cash public assistance	9.2%
Food stamps / SNAP	14.9%

Health indicators

Condition	%
High blood pressure	34.5%
High cholesterol	31.0%
Heart disease	8.3%
Stroke	4.3%
Asthma	10.2%
Arthritis	28.3%
Kidney disease	3.7%
Pulmonary disease	8.3%
Cancer	7.4%

Behavior / access	%
Binge drinking	17.8%
No physical activity	27.5%
Less than 7 hrs sleep	30.6%
Fair or poor health	18.1%
Poor mental health	15.7%
Poor physical health	13.0%
No health insurance	13.3%
Visited doctor (checkup)	70.4%
Visited dentist	58.1%
Cholesterol screening	88.1%
Teeth loss	17.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	287	11.1%

Disability	%
Any disability	23.8%
Under 18	10.1%
18–64 years	22.1%
65 and over	47.2%

Health insurance coverage

Type	%
Private insurance	50.1%
Public insurance	56.1%
Uninsured under 19	14.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,324	93.7%
Spanish	21	0.6%
Other Indo-European	14	0.4%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,512	99.0%
Born in same state	3,496	98.5%
Born in different state	2,866	80.8%
Foreign born	16	0.5%
Naturalized citizen	37	1.0%
Not a US citizen	24	64.9%

Ancestry

Ancestry	Count	%
Polish	383	10.8%
Italian	184	5.2%
French	175	4.9%
English	63	1.8%
Arab	59	1.7%

Ancestry	Count	%
German	41	1.2%
Dutch	26	0.7%
Irish	12	0.3%
Norwegian	1	0%

Technology access

Metric	% of households
Computer access	37.8%
Internet access	88.9%

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

Frequently asked questions

What ZIP codes does Onamia, MN have?

Onamia, MN has one ZIP code: 56359. Each ZIP code serves a distinct delivery area within the city and surrounding region.