54840 ZIP Code — Grantsburg, WI

Burnett County, Wisconsin

ZIP code 54840 is located in Grantsburg, Wisconsin, within Burnett County. It covers approximately 255.24 square miles and serves a population of 4,742 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 715.

About ZIP code 54840

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 $165,200. Owner-occupancy is high at 84%, well above the national average.

Median household income is $63,893. 40% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 34 minutes is near the national average.

Educational attainment is near the national average, with 21% of residents holding a bachelor's degree or higher.

Overall, ZIP code 54840 reflects a community defined by high homeownership and a significant Social Security-dependent population.

4,742

population

255.24

sq mi land

Standard

ZIP type

Central (CT)

timezone

54840 ZIP code map

Cities in ZIP code 54840

Below are the cities the US Postal Service accepts for ZIP code 54840. Using any city not on this list may result in mail delivery delays.

City	Status
Grantsburg	Preferred

Nearby ZIP codes

55063 Pine City (11.7 mi) 54006 Cushing (13.2 mi) 55069 Rush City (13.9 mi) 54872 Siren (14.2 mi) 54837 Frederic (16 mi) 54853 Luck (16.9 mi) 55032 Harris (17.3 mi) 54024 Saint Croix Falls (17.7 mi) 55007 Brook Park (17.8 mi) 54824 Centuria (19.1 mi) 54858 Milltown (19.3 mi)

Demographics updated 05/2026

Population
Total population	4,742
Population density	19 / sq mi
State FIPS	55
County FIPS	013

Geography
Land area	255.24 sq mi
Water area	9.69 sq mi
Latitude	45.7466
Longitude	-92.6991
Timezone	Central (CT)
Area code	715

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	45.8%	47.1%	39.4%
$50k – $100k	35.7%	34.9%	33.0%
$100k – $200k	16.0%	15.5%	22.4%
Over $200k	2.5%	2.5%	5.2%

Demographics & statistics

4,742

Population

People per sq mi

44.2

Median age

$63,893

Median household income

$36,505

Per capita income

$165,200

Median home value

$788

Median monthly rent

83.6%

Home ownership

7.6%

Poverty rate

7.7%

Unemployment

2,519

Housing units

21.3%

Bachelor's or higher

Age distribution

Male Female

116

Under 5

102

155

5–9

137

135

10–14

119

160

15–19

142

113

20–24

273

25–34

241

329

35–44

290

281

45–54

249

190

55–59

168

256

60–64

226

296

65–74

262

161

75–84

143

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	932	19.7%
18 and over	3,810	80.3%
65 and over	961	20.3%
Median age	44.2 years

Race & ethnicity

White 91.1%

Two or more races 4.1%

Hispanic or Latino 1.3%

Black or African American 1.1%

American Indian / Alaska Native 1%

Other race 0.6%

Asian 0.4%

Native Hawaiian / Pacific Islander 0.4%

Group	Count	%
White	4,376	91.1%
Two or more races	197	4.1%
Hispanic or Latino	63	1.3%
Black or African American	54	1.1%
American Indian / Alaska Native	47	1%
Other race	28	0.6%
Asian	21	0.4%
Native Hawaiian / Pacific Islander	19	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	45.8%	47.1%	39.4%
$50k – $100k	35.7%	34.9%	33.0%
$100k – $200k	16.0%	15.5%	22.4%
Over $200k	2.5%	2.5%	5.2%

Under $10k 6.8%

$10k–$15k 2.0%

$15k–$25k 7.6%

$25k–$35k 10.1%

$35k–$50k 11.8%

$50k–$75k 19.3%

$75k–$100k 13.4%

$100k–$150k 20.0%

$150k–$200k 5.0%

$200k+ 4.1%

Range	% of households
Under $10k	6.8%
$10k–$15k	2.0%
$15k–$25k	7.6%
$25k–$35k	10.1%
$35k–$50k	11.8%
$50k–$75k	19.3%
$75k–$100k	13.4%
$100k–$150k	20.0%
$150k–$200k	5.0%
$200k+	4.1%
Median income	$63,893

Housing

Home values

Under $50k 7.4%

$50k–$100k 15.6%

$100k–$150k 20.1%

$150k–$200k 20.8%

$200k–$300k 22.9%

$300k–$500k 10.8%

$500k–$1M 2.2%

$1M+ 0.1%

Housing overview

Metric	Value
Median home value	$165,200
Median rent / month	$788
Owner occupied	83.6%
Renter occupied	16.4%
Vacant	36.8%
Single-family detached	81.5%
Large apartment buildings	1.8%
Mobile homes	11.8%
Median rooms	5.3
Avg household size (owned)	2.65

Year built

Era	%
2020 or later	0.0%
2010–2019	3.1%
2000–2009	13.7%
1990–1999	14.2%
1980–1989	15.0%
1970–1979	18.9%
1960–1969	8.6%
1950–1959	4.1%
1940–1949	4.8%
1939 or earlier	17.6%

Bedrooms

Size	% of units
No bedroom (studio)	2.6%
1 bedroom	11.7%
2 bedrooms	32.1%
3 bedrooms	36.8%
4 bedrooms	11.8%
5+ bedrooms	5.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.1%
1 vehicle	26.5%
2 vehicles	35.6%
3 or more	35.8%

Heating fuel

Fuel type	%
Utility gas	28.3%
Electricity	9.3%
Propane / LP gas	44.3%
Fuel oil	1.6%
Wood	14.4%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	846	47.6%
Cohabiting couple	149	8.4%
Male householder, no spouse	386	21.7%
Female householder, no spouse	395	22.2%
Households with children under 18	393	22.1%
Households with seniors (65+)	641	36.1%
Average household size	2.64

Marital status

Status	Male	Female
Never married	37.4%	28.1%
Married	42.7%	47.6%
Separated	1.9%	0.5%
Widowed	3.9%	12.6%
Divorced	14.2%	11.2%

Education

Less than 9th grade 3.1%

Some HS, no diploma 5.8%

HS graduate 38.8%

Some college, no degree 19.7%

Associate's degree 11.3%

Bachelor's degree 16.1%

Graduate / professional 5.1%

Metric	%
HS diploma or higher	91.1%
Bachelor's or higher	21.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	64	6.5%
Kindergarten	90	9.1%
Elementary school	403	40.8%
High school	280	28.4%
College / grad school	150	15.2%

Employment

Industry of employment

Manufacturing 25.8%

Education & healthcare 21.5%

Retail trade 9.7%

Construction 7.9%

Professional & management 6.4%

Arts, food & hospitality 5.7%

Transportation & utilities 5.1%

Other services 4.5%

Finance & real estate 4.2%

Public administration 3.5%

Agriculture & mining 2.7%

Information 1.7%

Wholesale trade 1.4%

Occupation

Category	%
Management, business & arts	29.1%
Service	14.7%
Sales & office	17.9%
Natural resources & construction	11.3%
Production & transportation	27.0%

Employment type

Type	%
Private sector	81.5%
Government	11.1%
Self-employed	7.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.9%
Carpool	8.6%
Public transit	1.9%
Walk	1.7%
Work from home	6.8%
Other means	1.1%
Avg commute (minutes)	34.2

Poverty

All people 7.6%

Under 18 years 5.5%

18 and over 8.1%

Married-couple families 2.2%

Female-led households 7.0%

Income support

Source	% of households
Social Security	40.4%
Retirement income	29.9%
Supplemental Security	6.5%
Cash public assistance	3.2%
Food stamps / SNAP	8.9%

Health indicators

Condition	%
Obesity	33.9%
High blood pressure	33.7%
High cholesterol	36.5%
Diabetes	10.4%
Heart disease	7.1%
Stroke	3.3%
Asthma	9.8%
Arthritis	27.1%
Kidney disease	3.1%
Pulmonary disease	7.2%
Cancer	7.6%

Behavior / access	%
Smoking	18.7%
Binge drinking	23.2%
No physical activity	22.6%
Less than 7 hrs sleep	30.1%
Depression	20.1%
Fair or poor health	13.5%
Poor mental health	13.5%
Poor physical health	11.0%
No health insurance	10.1%
Visited doctor (checkup)	74.6%
Visited dentist	67.1%
Cholesterol screening	88.1%
Teeth loss	12.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	301	7.9%

Disability	%
Any disability	15.3%
Under 18	3.0%
18–64 years	13.7%
65 and over	32.7%

Health insurance coverage

Type	%
Private insurance	66.6%
Public insurance	41.6%
No insurance	7.0%
Uninsured under 19	6.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,524	95.4%
Spanish	41	0.9%
Other Indo-European	21	0.5%
Asian & Pacific Islander	12	0.3%
Other languages	8	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,629	97.6%
Born in same state	4,570	96.4%
Born in different state	2,487	52.4%
Foreign born	59	1.2%
Naturalized citizen	113	2.4%
Not a US citizen	95	84.1%

Ancestry

Ancestry	Count	%
Polish	669	14.1%
Italian	357	7.5%
French	266	5.6%
Arab	109	2.3%
Dutch	89	1.9%

Ancestry	Count	%
English	84	1.8%
German	29	0.6%
Norwegian	17	0.4%
Irish	12	0.3%

Technology access

Metric	% of households
Computer access	37.5%
Internet access	92.1%

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

Frequently asked questions about ZIP code 54840

What city is ZIP code 54840 in?

ZIP code 54840 is primarily assigned to Grantsburg, Wisconsin.

What county is ZIP code 54840 in?

ZIP code 54840 falls within Burnett County, Wisconsin.

Is ZIP code 54840 mostly owner-occupied?

84% of occupied units in ZIP code 54840 are owner-occupied, well above the national average.

Does ZIP code 54840 have a large retiree population?

40% of households in ZIP code 54840 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 54840?

The median home value in ZIP code 54840 is $165,200.

What is the population of ZIP code 54840?

ZIP code 54840 has an estimated population of 4,742 residents, with a density of 19 people per square mile.

What timezone is ZIP code 54840 in?

ZIP code 54840 observes the CST timezone.