55366 ZIP Code — New Auburn, MN

Sibley County, Minnesota

ZIP code 55366 is located in New Auburn, Minnesota, within Sibley County. It covers approximately 0.48 square miles and serves a population of 460 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 507.

About ZIP code 55366

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $124,700. Owner-occupancy is high at 81%, well above the national average.

Median household income is $65,278. The poverty rate of 6% is below the national average.

The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 24 minutes is near the national average.

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

Notable community characteristics include disability rates above the national average at 23%.

Overall, ZIP code 55366 reflects a community defined by a trades-oriented workforce and high homeownership.

460

population

0.48

sq mi land

Standard

ZIP type

Central (CT)

timezone

55366 ZIP code map

Cities in ZIP code 55366

Below are the cities the US Postal Service accepts for ZIP code 55366. Using any city not on this list may result in mail delivery delays.

City	Status
New Auburn	Acceptable

Demographics updated 05/2026

Population
Total population	460
Population density	958 / sq mi
State FIPS	27
County FIPS	143

Geography
Land area	0.48 sq mi
Water area	0.00 sq mi
Latitude	44.6483
Longitude	-94.2114
Timezone	Central (CT)
Area code	507

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	58.6%	40.0%	33.6%
$50k – $100k	24.1%	34.4%	31.5%
$100k – $200k	17.3%	21.8%	26.5%
Over $200k	0.0%	3.8%	8.5%

Demographics & statistics

460

Population

958

People per sq mi

41.6

Median age

$65,278

Median household income

$29,493

Per capita income

$124,700

Median home value

$646

Median monthly rent

81.0%

Home ownership

5.7%

Poverty rate

3.1%

Unemployment

176

Housing units

9.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	95	20.7%
18 and over	365	79.3%
65 and over	62	13.5%
Median age	41.6 years

Race & ethnicity

White 77.2%

Hispanic or Latino 11.2%

Other race 9.3%

Two or more races 2.3%

Group	Count	%
White	400	77.2%
Hispanic or Latino	58	11.2%
Other race	48	9.3%
Two or more races	12	2.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	58.6%	40.0%	33.6%
$50k – $100k	24.1%	34.4%	31.5%
$100k – $200k	17.3%	21.8%	26.5%
Over $200k	0.0%	3.8%	8.5%

$10k–$15k 3.3%

$15k–$25k 10.3%

$25k–$35k 13.0%

$35k–$50k 16.8%

$50k–$75k 13.0%

$75k–$100k 19.6%

$100k–$150k 17.9%

$150k–$200k 4.3%

$200k+ 1.6%

Range	% of households
$10k–$15k	3.3%
$15k–$25k	10.3%
$25k–$35k	13.0%
$35k–$50k	16.8%
$50k–$75k	13.0%
$75k–$100k	19.6%
$100k–$150k	17.9%
$150k–$200k	4.3%
$200k+	1.6%
Median income	$65,278

Housing

Home values

Under $50k 12.8%

$50k–$100k 12.8%

$100k–$150k 45.6%

$150k–$200k 16.1%

$200k–$300k 9.4%

$300k–$500k 3.4%

Housing overview

Metric	Value
Median home value	$124,700
Median rent / month	$646
Owner occupied	81.0%
Renter occupied	19.0%
Vacant	12.8%
Single-family detached	79.1%
Large apartment buildings	0.5%
Mobile homes	15.2%
Median rooms	5.4
Avg household size (owned)	2.54

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	17.1%
1990–1999	12.8%
1980–1989	10.4%
1970–1979	8.1%
1960–1969	4.7%
1950–1959	14.7%
1940–1949	2.8%
1939 or earlier	29.4%

Bedrooms

Size	% of units
No bedroom (studio)	1.9%
1 bedroom	3.3%
2 bedrooms	27.5%
3 bedrooms	49.8%
4 bedrooms	17.5%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.2%
1 vehicle	28.8%
2 vehicles	44.0%
3 or more	25.0%

Heating fuel

Fuel type	%
Utility gas	7.6%
Electricity	7.1%
Propane / LP gas	81.5%
Fuel oil	3.3%
Wood	0.5%

Households & families

Household type	Count	%
Married-couple family	91	49.5%
Cohabiting couple	15	8.2%
Male householder, no spouse	49	26.6%
Female householder, no spouse	29	15.8%
Households with children under 18	46	25.0%
Households with seniors (65+)	50	27.2%
Average household size	2.50

Marital status

Status	Male	Female
Never married	27.7%	22.5%
Married	42.6%	52.8%
Separated	0.0%	0.0%
Widowed	0.0%	11.2%
Divorced	29.7%	13.5%

Education

Less than 9th grade 0.9%

Some HS, no diploma 3.7%

HS graduate 52.7%

Some college, no degree 23.5%

Associate's degree 10.1%

Bachelor's degree 8.2%

Graduate / professional 0.9%

Metric	%
HS diploma or higher	95.4%
Bachelor's or higher	9.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	61	67.0%
High school	23	25.3%
College / grad school	7	7.7%

Employment

Industry of employment

Manufacturing 35.1%

Education & healthcare 16.7%

Arts, food & hospitality 10.4%

Public administration 8.8%

Transportation & utilities 5.6%

Professional & management 5.6%

Retail trade 5.2%

Construction 4.8%

Agriculture & mining 4.0%

Finance & real estate 2.4%

Information 1.6%

Occupation

Category	%
Management, business & arts	20.7%
Service	23.1%
Sales & office	9.2%
Natural resources & construction	12.0%
Production & transportation	35.1%

Employment type

Type	%
Private sector	88.0%
Government	11.2%
Self-employed	0.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	95.2%
Carpool	1.6%
Public transit	0.0%
Walk	0.8%
Work from home	2.4%
Other means	0.0%
Avg commute (minutes)	24.0

Poverty

All people 5.7%

Under 18 years 0.0%

18 and over 7.1%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	25.0%
Retirement income	7.6%
Supplemental Security	5.4%
Cash public assistance	8.7%
Food stamps / SNAP	14.7%

Health indicators

Condition	%
Obesity	34.1%
High blood pressure	25.2%
High cholesterol	27.4%
Diabetes	7.8%
Heart disease	4.7%
Stroke	2.2%
Asthma	8.7%
Arthritis	19.4%
Kidney disease	2.2%
Pulmonary disease	4.6%
Cancer	5.4%

Behavior / access	%
Smoking	19.1%
Binge drinking	23.2%
No physical activity	19.8%
Less than 7 hrs sleep	29.5%
Depression	21.7%
Fair or poor health	10.6%
Poor mental health	13.7%
Poor physical health	8.4%
No health insurance	12.7%
Visited doctor (checkup)	64.3%
Visited dentist	67.1%
Cholesterol screening	87.9%
Teeth loss	10.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	29	7.9%

Disability	%
Any disability	23.3%
Under 18	27.4%
18–64 years	20.8%
65 and over	29.0%

Health insurance coverage

Type	%
Private insurance	67.4%
Public insurance	39.6%
No insurance	9.3%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	441	95.9%
Spanish	26	5.9%
Other Indo-European	18	4.1%
Asian & Pacific Islander	8	1.8%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	449	97.6%
Born in same state	449	97.6%
Born in different state	356	77.4%
Foreign born	0	0.0%
Naturalized citizen	11	2.4%
Not a US citizen	11	100.0%

Ancestry

Ancestry	Count	%
Polish	62	13.5%
French	22	4.8%
Dutch	19	4.1%

Ancestry	Count	%
Italian	17	3.7%
English	6	1.3%
Arab	3	0.7%

Technology access

Metric	% of households
Computer access	40.0%
Internet access	87.5%

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

Frequently asked questions about ZIP code 55366

What city is ZIP code 55366 in?

ZIP code 55366 is primarily assigned to New Auburn, Minnesota.

What county is ZIP code 55366 in?

ZIP code 55366 falls within Sibley County, Minnesota.

How educated is the population of ZIP code 55366?

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

Is ZIP code 55366 mostly owner-occupied?

81% of occupied units in ZIP code 55366 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 55366?

The median home value in ZIP code 55366 is $124,700.

What is the population of ZIP code 55366?

ZIP code 55366 has an estimated population of 460 residents, with a density of 962 people per square mile.

What timezone is ZIP code 55366 in?

ZIP code 55366 observes the CST timezone.