Marine On Saint Croix ZIP Codes — Washington County, MN

There is one unique ZIP code in Marine On Saint Croix, Minnesota and it is 55047. Area code: 651.

ZIP codes

29.24

sq mi land

5.86

sq mi water

651

area code

Marine On Saint Croix, MN ZIP code map

About Marine On Saint Croix, MN

Marine On Saint Croix, Minnesota is a charming city located in Washington County. With its small-town feel and close-knit community, it offers a peaceful rural atmosphere conducive to family life. The city is beautifully positioned along the Saint Croix River, providing residents and visitors with stunning views and outdoor recreational opportunities.

Location & geography

Marine On Saint Croix is situated in the eastern part of Minnesota, bordered by the scenic Saint Croix River. Nearby cities include Stillwater, which is approximately 12 miles southwest, Forest Lake about 15 miles to the northwest, and Hudson, Wisconsin, roughly 10 miles to the southeast. The total land area of the city is 29.24 square miles, alongside a water area that covers 5.86 square miles.

Community & economy

The community of Marine On Saint Croix is characterized by its picturesque landscapes and strong sense of community spirit. Primarily residential, the city has a few local businesses and recreational facilities that cater to the daily needs of the residents. Outdoor activities such as hiking, fishing, and kayaking are popular, as the natural surroundings enhance the quality of daily life.

Transportation

Residents of Marine On Saint Croix primarily travel via County Road 15, which connects to Highway 95, facilitating access to neighboring towns and amenities. The nearest major airport is Minneapolis-Saint Paul International Airport, located roughly 40 miles to the southwest. Public transportation options are limited, making personal vehicles essential for commuting.

History

Marine On Saint Croix was founded in the mid-1800s as a lumber town, benefitting from the abundant timber resources along the river. The city played a key role in the timber industry during its early days, but over time, it evolved into a residential community with a focus on preserving its natural environment and historical charm. Notable events in the history of Marine On Saint Croix include the establishment of local parks and recreational opportunities along the Saint Croix River.

Did you know?

A little-known fact about Marine On Saint Croix is that it is one of the few cities in Minnesota that is named for both its location and a historic figure, reflecting its rich heritage. Additionally, the city is renowned for its beautifully preserved historic homes and buildings, some of which date back to the 1800s.

ZIP codes for Marine On Saint Croix, MN (1)

ZIP code	City	County	Map
55047	Marine On Saint Croix	Washington	View map

Demographics & statistics

2,296

Population

56.6

Median age

$105,795

Median household income

$72,736

Per capita income

$462,700

Median home value

$2,667

Median monthly rent

95.6%

Home ownership

2.7%

Poverty rate

0.3%

Unemployment

1,012

Housing units

50.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

101

35–44

102

149

45–54

151

137

55–59

138

120

60–64

121

228

65–74

230

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	369	16.1%
18 and over	1,927	83.9%
65 and over	693	30.2%
Median age	56.6 years

Race & ethnicity

White 91.4%

Two or more races 4.6%

Asian 1.5%

Hispanic or Latino 1.2%

American Indian / Alaska Native 0.7%

Other race 0.5%

Group	Count	%
White	2,126	91.4%
Two or more races	107	4.6%
Asian	35	1.5%
Hispanic or Latino	29	1.2%
American Indian / Alaska Native	17	0.7%
Other race	11	0.5%

Household income

Under $10k 0.4%

$10k–$15k 0.2%

$15k–$25k 3.9%

$25k–$35k 3.3%

$35k–$50k 4.7%

$50k–$75k 26.2%

$75k–$100k 9.7%

$100k–$150k 17.7%

$150k–$200k 12.7%

$200k+ 21.0%

Range	% of households
Under $10k	0.4%
$10k–$15k	0.2%
$15k–$25k	3.9%
$25k–$35k	3.3%
$35k–$50k	4.7%
$50k–$75k	26.2%
$75k–$100k	9.7%
$100k–$150k	17.7%
$150k–$200k	12.7%
$200k+	21.0%
Median income	$105,795

Housing

Home values

Under $50k 1.2%

$100k–$150k 1.5%

$150k–$200k 2.8%

$200k–$300k 6.9%

$300k–$500k 46.2%

$500k–$1M 31.3%

$1M+ 10.1%

Housing overview

Metric	Value
Median home value	$462,700
Median rent / month	$2,667
Owner occupied	95.6%
Renter occupied	4.4%
Vacant	8.4%
Single-family detached	97.0%
Large apartment buildings	0.0%
Mobile homes	0.6%
Median rooms	7.0
Avg household size (owned)	2.38

Year built

Era	%
2020 or later	0.4%
2010–2019	2.4%
2000–2009	12.0%
1990–1999	19.3%
1980–1989	6.3%
1970–1979	21.7%
1960–1969	15.6%
1950–1959	3.3%
1940–1949	0.6%
1939 or earlier	18.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	5.9%
2 bedrooms	19.6%
3 bedrooms	35.5%
4 bedrooms	32.8%
5+ bedrooms	6.2%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	16.0%
2 vehicles	46.9%
3 or more	35.2%

Heating fuel

Fuel type	%
Utility gas	79.2%
Electricity	8.2%
Propane / LP gas	5.4%
Fuel oil	1.1%
Wood	3.7%
Solar	0.7%

Households & families

Household type	Count	%
Married-couple family	677	70.2%
Cohabiting couple	29	3.0%
Male householder, no spouse	127	13.2%
Female householder, no spouse	132	13.7%
Households with children under 18	199	20.6%
Households with seniors (65+)	440	45.6%
Average household size	2.38

Marital status

Status	Male	Female
Never married	23.3%	17.7%
Married	68.2%	68.0%
Separated	0.0%	1.9%
Widowed	1.3%	3.6%
Divorced	7.2%	8.8%

Education

Less than 9th grade 1.8%

Some HS, no diploma 3.1%

HS graduate 15.8%

Some college, no degree 21.3%

Associate's degree 7.4%

Bachelor's degree 31.4%

Graduate / professional 19.1%

Metric	%
HS diploma or higher	95.2%
Bachelor's or higher	50.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	15	3.5%
Kindergarten	18	4.2%
Elementary school	186	43.0%
High school	145	33.5%
College / grad school	69	15.9%

Employment

Industry of employment

Education & healthcare 23.7%

Professional & management 16.7%

Manufacturing 12.5%

Arts, food & hospitality 10.5%

Retail trade 9.1%

Transportation & utilities 6.3%

Finance & real estate 5.9%

Public administration 5.9%

Construction 5.5%

Other services 3.0%

Wholesale trade 0.3%

Agriculture & mining 0.2%

Information 0.2%

Occupation

Category	%
Management, business & arts	51.7%
Service	18.3%
Sales & office	14.3%
Natural resources & construction	6.4%
Production & transportation	9.2%

Employment type

Type	%
Private sector	78.0%
Government	13.2%
Self-employed	8.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	69.3%
Carpool	6.0%
Public transit	0.8%
Walk	0.7%
Other means	1.2%
Avg commute (minutes)	37.8

Poverty

All people 2.7%

Under 18 years 4.1%

18 and over 2.4%

Married-couple families 0.3%

Female-led households 15.4%

Income support

Source	% of households
Social Security	39.0%
Retirement income	37.3%
Supplemental Security	1.8%
Cash public assistance	0.8%
Food stamps / SNAP	0.4%

Health indicators

Condition	%
High blood pressure	31.0%
High cholesterol	34.1%
Heart disease	6.0%
Stroke	2.6%
Asthma	8.2%
Arthritis	24.4%
Kidney disease	2.6%
Pulmonary disease	4.8%
Cancer	8.1%

Behavior / access	%
Binge drinking	17.9%
No physical activity	15.8%
Less than 7 hrs sleep	25.8%
Fair or poor health	9.1%
Poor mental health	10.9%
Poor physical health	8.0%
No health insurance	7.1%
Visited doctor (checkup)	73.7%
Visited dentist	76.5%
Cholesterol screening	94.1%
Teeth loss	6.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	145	7.5%

Disability	%
Any disability	9.1%
Under 18	6.5%
18–64 years	6.6%
65 and over	15.0%

Health insurance coverage

Type	%
Private insurance	85.0%
Public insurance	37.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,256	98.3%
Spanish	11	0.5%
Other Indo-European	3	0.1%
Asian & Pacific Islander	8	0.4%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,251	98.0%
Born in same state	2,226	97.0%
Born in different state	1,781	77.6%
Foreign born	25	1.1%
Naturalized citizen	45	2.0%
Not a US citizen	36	80.0%

Ancestry

Ancestry	Count	%
Polish	336	14.6%
Italian	222	9.7%
Arab	208	9.1%
French	147	6.4%
German	19	0.8%

Ancestry	Count	%
Dutch	18	0.8%
English	10	0.4%
Norwegian	9	0.4%
Irish	3	0.1%

Technology access

Metric	% of households
Computer access	42.0%
Internet access	97.6%

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

Frequently asked questions

What ZIP codes does Marine On Saint Croix, MN have?

Marine On Saint Croix, MN has one ZIP code: 55047. Each ZIP code serves a distinct delivery area within the city and surrounding region.