53812 ZIP Code — Kieler, WI

Grant County, Wisconsin

ZIP code 53812 is located in Kieler, Wisconsin, within Grant County. It covers approximately 0.50 square miles and serves a population of 311 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 608.

About ZIP code 53812

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 $215,800.

Median household income is $102,679.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.

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

Overall, ZIP code 53812 reflects a community defined by a trades-oriented workforce and high homeownership.

311

population

0.50

sq mi land

Standard

ZIP type

Central (CT)

timezone

53812 ZIP code map

Cities in ZIP code 53812

Below are the cities the US Postal Service accepts for ZIP code 53812. Using any city not on this list may result in mail delivery delays.

City	Status
Kieler	Acceptable

Demographics updated 05/2026

Population
Total population	311
Population density	622 / sq mi
State FIPS	55
County FIPS	043

Geography
Land area	0.50 sq mi
Water area	0.00 sq mi
Latitude	42.5814
Longitude	-90.6028
Timezone	Central (CT)
Area code	608

Total population by age

Gender

Race & ethnicity

Demographics & statistics

311

Population

622

People per sq mi

32.6

Median age

$102,679

Median household income

$31,887

Per capita income

$215,800

Median home value

Median monthly rent

100.0%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

112

Housing units

8.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	83	26.7%
18 and over	228	73.3%
65 and over	34	10.9%
Median age	32.6 years

Race & ethnicity

White 100%

Group	Count	%
White	311	100%

Household income

$25k–$35k 1.8%

$35k–$50k 13.4%

$50k–$75k 19.6%

$75k–$100k 13.4%

$100k–$150k 45.5%

$150k–$200k 6.3%

Range	% of households
$25k–$35k	1.8%
$35k–$50k	13.4%
$50k–$75k	19.6%
$75k–$100k	13.4%
$100k–$150k	45.5%
$150k–$200k	6.3%
Median income	$102,679

Housing

Home values

$100k–$150k 17.9%

$150k–$200k 15.2%

$200k–$300k 58.0%

$1M+ 8.9%

Housing overview

Metric	Value
Median home value	$215,800
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	0.0%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	6.8
Avg household size (owned)	2.78

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	13.4%
1980–1989	0.0%
1970–1979	67.0%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	1.8%
1939 or earlier	17.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	0.0%
3 bedrooms	61.6%
4 bedrooms	32.1%
5+ bedrooms	6.3%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	1.8%
2 vehicles	57.1%
3 or more	41.1%

Heating fuel

Fuel type	%
Utility gas	33.0%
Electricity	6.3%
Propane / LP gas	4.5%
Fuel oil	8.9%
Wood	47.3%

Households & families

Household type	Count	%
Married-couple family	100	89.3%
Cohabiting couple	5	4.5%
Male householder, no spouse	5	4.5%
Female householder, no spouse	2	1.8%
Households with children under 18	43	38.4%
Households with seniors (65+)	20	17.9%
Average household size	2.78

Marital status

Status	Male	Female
Never married	0.0%	15.4%
Married	90.5%	80.5%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	9.5%	4.1%

Education

Less than 9th grade 6.6%

Some HS, no diploma 0.0%

HS graduate 31.8%

Some college, no degree 21.3%

Associate's degree 31.8%

Bachelor's degree 8.5%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	93.4%
Bachelor's or higher	8.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	21	28.0%
Kindergarten	26	34.7%
Elementary school	11	14.7%
High school	0	0.0%
College / grad school	17	22.7%

Employment

Industry of employment

Education & healthcare 25.8%

Transportation & utilities 21.4%

Manufacturing 18.7%

Professional & management 12.6%

Construction 11.0%

Retail trade 6.6%

Finance & real estate 3.8%

Occupation

Category	%
Management, business & arts	53.3%
Service	15.9%
Sales & office	3.8%
Natural resources & construction	18.7%
Production & transportation	8.2%

Employment type

Type	%
Private sector	90.1%
Government	9.9%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	97.3%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	2.7%
Other means	0.0%
Avg commute (minutes)	20.1

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	17.9%
Retirement income	22.3%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	0.0%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	0.0%
Heart disease	0.0%
Stroke	0.0%
Asthma	0.0%
Arthritis	0.0%
Kidney disease	0.0%
Pulmonary disease	0.0%
Cancer	0.0%

Behavior / access	%
Smoking	0.0%
Binge drinking	0.0%
No physical activity	0.0%
Less than 7 hrs sleep	0.0%
Depression	0.0%
Fair or poor health	0.0%
Poor mental health	0.0%
Poor physical health	0.0%
No health insurance	0.0%
Visited doctor (checkup)	0.0%
Visited dentist	0.0%
Cholesterol screening	0.0%
Teeth loss	0.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	0.0%
Under 18	0.0%
18–64 years	0.0%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	95.2%
Public insurance	10.9%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	271	87.1%
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)	311	100.0%
Born in same state	306	98.4%
Born in different state	96	30.9%
Foreign born	5	1.6%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	58	18.6%

Ancestry	Count	%
French	17	5.5%

Technology access

Metric	% of households
Computer access	36.0%
Internet access	100.0%

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

Frequently asked questions about ZIP code 53812

What city is ZIP code 53812 in?

ZIP code 53812 is primarily assigned to Kieler, Wisconsin.

What county is ZIP code 53812 in?

ZIP code 53812 falls within Grant County, Wisconsin.

How educated is the population of ZIP code 53812?

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

What is the median household income in ZIP code 53812?

The median household income in ZIP code 53812 is $102,679, above the national median of ~$75,000.

What is the population of ZIP code 53812?

ZIP code 53812 has an estimated population of 311 residents, with a density of 622 people per square mile.

What is the typical home value in ZIP code 53812?

The median home value in ZIP code 53812 is $215,800.

What timezone is ZIP code 53812 in?

ZIP code 53812 observes the CST timezone.