55047 ZIP Code — Marine On Saint Croix, MN

Washington County, Minnesota

ZIP code 55047 is located in Marine On Saint Croix, Minnesota, within Washington County. It covers approximately 29.24 square miles and serves a population of 2,296 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 651.

About ZIP code 55047

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $462,700. Owner-occupancy is high at 96%, well above the national average.

The gap between median ($105,795) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 39% 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. An above-average commute of 38 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 22% of workers work from home.

Educational attainment is high — 51% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 55047 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

2,296

population

29.24

sq mi land

Standard

ZIP type

Central (CT)

timezone

55047 ZIP code map

Cities in ZIP code 55047

Below are the cities the US Postal Service accepts for ZIP code 55047. Using any city not on this list may result in mail delivery delays.

City	Status
Marine On Saint Croix	Acceptable
Marine On Saint Croix	Preferred

Nearby ZIP codes

55073 Scandia (4.8 mi) 55038 Hugo (7.7 mi) 54025 Somerset (8.5 mi) 55082 Stillwater (9 mi) 55025 Forest Lake (10.3 mi) 55115 Saint Paul (10.5 mi) 55110 Saint Paul (11.1 mi) 54020 Osceola (11.2 mi) 55013 Chisago City (12.2 mi) 55003 Bayport (12.5 mi) 55045 Lindstrom (13.7 mi) 55074 Shafer (13.8 mi)

Demographics updated 05/2026

Population
Total population	2,296
Population density	79 / sq mi
State FIPS	27
County FIPS	163

Geography
Land area	29.24 sq mi
Water area	5.86 sq mi
Latitude	45.1954
Longitude	-92.8236
Timezone	Central (CT)
Area code	651

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	16.7%	20.8%	33.6%
$50k – $100k	34.8%	30.2%	31.5%
$100k – $200k	30.0%	34.4%	26.5%
Over $200k	18.5%	14.5%	8.5%

Demographics & statistics

2,296

Population

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	16.7%	20.8%	33.6%
$50k – $100k	34.8%	30.2%	31.5%
$100k – $200k	30.0%	34.4%	26.5%
Over $200k	18.5%	14.5%	8.5%

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%
Work from home	21.9%
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	%
Obesity	30.7%
High blood pressure	31.0%
High cholesterol	34.1%
Diabetes	9.5%
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	%
Smoking	12.7%
Binge drinking	17.9%
No physical activity	15.8%
Less than 7 hrs sleep	25.8%
Depression	20.6%
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%
No insurance	1.4%
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 about ZIP code 55047

What city is ZIP code 55047 in?

ZIP code 55047 is primarily assigned to Marine On Saint Croix, Minnesota.

What county is ZIP code 55047 in?

ZIP code 55047 falls within Washington County, Minnesota.

Is ZIP code 55047 mostly owner-occupied?

96% of occupied units in ZIP code 55047 are owner-occupied, well above the national average.

Does ZIP code 55047 have an older population?

30% of residents in ZIP code 55047 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 55047?

51% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 55047 have a large retiree population?

39% of households in ZIP code 55047 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 55047 in?

ZIP code 55047 observes the CST timezone.