55018 ZIP Code — Dennison, MN

Goodhue County, Minnesota

ZIP code 55018 is located in Dennison, Minnesota, within Goodhue County. It covers approximately 44.54 square miles and serves a population of 954 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 507/651.

About ZIP code 55018

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 $298,400. Owner-occupancy is high at 87%, well above the national average.

Median household income is $94,327. The poverty rate of 3% is below the national average. 34% 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 30 minutes is near the national average.

Educational attainment is near the national average, with 32% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

Overall, ZIP code 55018 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

954

population

44.54

sq mi land

Standard

ZIP type

Central (CT)

timezone

55018 ZIP code map

Cities in ZIP code 55018

Below are the cities the US Postal Service accepts for ZIP code 55018. Using any city not on this list may result in mail delivery delays.

City	Status
Dennison	Acceptable
Dennison	Preferred

Nearby ZIP codes

55009 Cannon Falls (6.1 mi) 55053 Nerstrand (6.7 mi) 55065 Randolph (8.5 mi) 55946 Kenyon (9.9 mi) 55057 Northfield (11.7 mi) 55983 Wanamingo (12.9 mi) 55031 Hampton (13 mi) 55019 Dundas (13.4 mi) 55992 Zumbrota (15.7 mi) 55024 Farmington (16 mi) 55027 Goodhue (17.5 mi) 55021 Faribault (17.5 mi)

Demographics updated 05/2026

Population
Total population	954
Population density	21 / sq mi
State FIPS	27
County FIPS	049

Geography
Land area	44.54 sq mi
Water area	0.01 sq mi
Latitude	44.4252
Longitude	-92.9757
Timezone	Central (CT)
Area code	507/651

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.3%	34.4%	33.6%
$50k – $100k	34.8%	34.2%	31.5%
$100k – $200k	30.1%	26.4%	26.5%
Over $200k	9.7%	5.0%	8.5%

Demographics & statistics

954

Population

People per sq mi

45.6

Median age

$94,327

Median household income

$45,949

Per capita income

$298,400

Median home value

$1,450

Median monthly rent

86.9%

Home ownership

2.6%

Poverty rate

6.8%

Unemployment

351

Housing units

31.6%

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	204	21.4%
18 and over	750	78.6%
65 and over	154	16.1%
Median age	45.6 years

Race & ethnicity

White 96.8%

Two or more races 2.4%

Hispanic or Latino 0.4%

Asian 0.3%

Black or African American 0.1%

Group	Count	%
White	927	96.8%
Two or more races	23	2.4%
Hispanic or Latino	4	0.4%
Asian	3	0.3%
Black or African American	1	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.3%	34.4%	33.6%
$50k – $100k	34.8%	34.2%	31.5%
$100k – $200k	30.1%	26.4%	26.5%
Over $200k	9.7%	5.0%	8.5%

Under $10k 0.5%

$10k–$15k 0.3%

$15k–$25k 8.7%

$25k–$35k 9.3%

$35k–$50k 11.2%

$50k–$75k 10.6%

$75k–$100k 15.5%

$100k–$150k 18.0%

$150k–$200k 15.3%

$200k+ 10.6%

Range	% of households
Under $10k	0.5%
$10k–$15k	0.3%
$15k–$25k	8.7%
$25k–$35k	9.3%
$35k–$50k	11.2%
$50k–$75k	10.6%
$75k–$100k	15.5%
$100k–$150k	18.0%
$150k–$200k	15.3%
$200k+	10.6%
Median income	$94,327

Housing

Home values

Under $50k 0.6%

$50k–$100k 4.4%

$100k–$150k 5.0%

$150k–$200k 10.7%

$200k–$300k 29.8%

$300k–$500k 34.8%

$500k–$1M 14.1%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$298,400
Median rent / month	$1,450
Owner occupied	86.9%
Renter occupied	13.1%
Vacant	8.0%
Single-family detached	92.2%
Large apartment buildings	0.0%
Mobile homes	2.5%
Median rooms	6.9
Avg household size (owned)	2.71

Year built

Era	%
2020 or later	0.0%
2010–2019	2.3%
2000–2009	11.0%
1990–1999	8.5%
1980–1989	15.8%
1970–1979	9.8%
1960–1969	10.0%
1950–1959	3.3%
1940–1949	2.0%
1939 or earlier	37.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.3%
2 bedrooms	26.6%
3 bedrooms	45.6%
4 bedrooms	18.8%
5+ bedrooms	6.8%

Vehicles per household

Vehicles	% of households
No vehicle	0.8%
1 vehicle	15.3%
2 vehicles	35.7%
3 or more	48.2%

Heating fuel

Fuel type	%
Utility gas	2.7%
Electricity	7.1%
Propane / LP gas	73.6%
Fuel oil	5.4%
Wood	9.3%

Households & families

Household type	Count	%
Married-couple family	200	54.5%
Cohabiting couple	18	4.9%
Male householder, no spouse	89	24.3%
Female householder, no spouse	60	16.3%
Households with children under 18	80	21.8%
Households with seniors (65+)	123	33.5%
Average household size	2.60

Marital status

Status	Male	Female
Never married	32.6%	26.6%
Married	52.7%	56.3%
Separated	1.2%	0.0%
Widowed	6.5%	8.3%
Divorced	7.0%	8.8%

Education

Less than 9th grade 0.9%

Some HS, no diploma 5.6%

HS graduate 22.1%

Some college, no degree 26.4%

Associate's degree 13.4%

Bachelor's degree 22.4%

Graduate / professional 9.2%

Metric	%
HS diploma or higher	93.5%
Bachelor's or higher	31.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	17	7.5%
Kindergarten	10	4.4%
Elementary school	87	38.3%
High school	58	25.6%
College / grad school	55	24.2%

Employment

Industry of employment

Education & healthcare 18.2%

Agriculture & mining 14.6%

Manufacturing 13.8%

Transportation & utilities 9.9%

Retail trade 8.3%

Professional & management 8.3%

Arts, food & hospitality 4.9%

Finance & real estate 4.5%

Public administration 4.0%

Construction 3.8%

Other services 3.8%

Wholesale trade 3.4%

Information 2.4%

Occupation

Category	%
Management, business & arts	30.0%
Service	9.5%
Sales & office	23.7%
Natural resources & construction	20.9%
Production & transportation	16.0%

Employment type

Type	%
Private sector	75.3%
Government	11.1%
Self-employed	6.7%
Unpaid family workers	6.9%

Commute

Method	%
Drive alone	81.3%
Carpool	2.6%
Public transit	0.0%
Walk	1.0%
Work from home	14.3%
Other means	0.8%
Avg commute (minutes)	30.2

Poverty

All people 2.6%

Under 18 years 1.0%

18 and over 3.1%

Married-couple families 0.5%

Female-led households 15.0%

Income support

Source	% of households
Social Security	34.1%
Retirement income	27.8%
Supplemental Security	8.2%
Cash public assistance	0.3%
Food stamps / SNAP	0.8%

Health indicators

Condition	%
Obesity	32.9%
High blood pressure	29.8%
High cholesterol	30.6%
Diabetes	8.5%
Heart disease	5.7%
Stroke	2.5%
Asthma	8.3%
Arthritis	21.1%
Kidney disease	2.4%
Pulmonary disease	4.8%
Cancer	6.8%

Behavior / access	%
Smoking	16.3%
Binge drinking	21.8%
No physical activity	18.0%
Less than 7 hrs sleep	28.2%
Depression	20.8%
Fair or poor health	10.0%
Poor mental health	12.5%
Poor physical health	8.3%
No health insurance	9.0%
Visited doctor (checkup)	69.3%
Visited dentist	72.2%
Cholesterol screening	91.5%
Teeth loss	8.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	94	12.6%

Disability	%
Any disability	11.1%
Under 18	0.5%
18–64 years	10.8%
65 and over	26.0%

Health insurance coverage

Type	%
Private insurance	71.9%
Public insurance	30.8%
No insurance	8.2%
Uninsured under 19	4.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	902	94.5%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	936	98.1%
Born in same state	918	96.2%
Born in different state	735	77.0%
Foreign born	18	1.9%
Naturalized citizen	18	1.9%
Not a US citizen	15	83.3%

Ancestry

Ancestry	Count	%
Polish	197	20.6%
Italian	171	17.9%
French	82	8.6%
Dutch	63	6.6%

Ancestry	Count	%
English	17	1.8%
German	12	1.3%
Arab	11	1.2%

Technology access

Metric	% of households
Computer access	38.5%
Internet access	86.1%

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

Frequently asked questions about ZIP code 55018

What city is ZIP code 55018 in?

ZIP code 55018 is primarily assigned to Dennison, Minnesota.

What county is ZIP code 55018 in?

ZIP code 55018 falls within Goodhue County, Minnesota.

Is ZIP code 55018 mostly owner-occupied?

87% of occupied units in ZIP code 55018 are owner-occupied, well above the national average.

Does ZIP code 55018 have a large veteran population?

13% of civilians in ZIP code 55018 are veterans, above the national average of ~7%.

What is the population of ZIP code 55018?

ZIP code 55018 has an estimated population of 954 residents, with a density of 21 people per square mile.

What is the typical home value in ZIP code 55018?

The median home value in ZIP code 55018 is $298,400.

What timezone is ZIP code 55018 in?

ZIP code 55018 observes the CST timezone.