53036 ZIP Code — Ixonia, WI

Jefferson County, Wisconsin

ZIP code 53036 is located in Ixonia, Wisconsin, within Jefferson County. It covers approximately 28.61 square miles and serves a population of 3,140 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 920.

About ZIP code 53036

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $333,600. Owner-occupancy is high at 82%, well above the national average.

Median household income is $82,467. The poverty rate of 4% 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 26 minutes is near the national average.

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

Overall, ZIP code 53036 reflects a community defined by high homeownership and a significant Social Security-dependent population.

3,140

population

28.61

sq mi land

Standard

ZIP type

Central (CT)

timezone

53036 ZIP code map

Cities in ZIP code 53036

Below are the cities the US Postal Service accepts for ZIP code 53036. Using any city not on this list may result in mail delivery delays.

City	Status
Ixonia	Preferred

Nearby ZIP codes

53066 Oconomowoc (4.8 mi) 53094 Watertown (8 mi) 53094 Watertown (8 mi) 53059 Neosho (8.2 mi) 53069 Okauchee (8.4 mi) 53098 Watertown (9.4 mi) 53058 Nashotah (9.8 mi) 53178 Sullivan (10.3 mi) 53078 Rubicon (11 mi) 53038 Johnson Creek (11.9 mi) 53034 Hustisford (12.2 mi) 53137 Helenville (12.5 mi)

Demographics updated 05/2026

Population
Total population	3,140
Population density	110 / sq mi
State FIPS	55
County FIPS	055

Geography
Land area	28.61 sq mi
Water area	0.54 sq mi
Latitude	43.1737
Longitude	-88.5777
Timezone	Central (CT)
Area code	920

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.0%	37.2%	39.4%
$50k – $100k	42.3%	32.9%	33.0%
$100k – $200k	33.9%	26.4%	22.4%
Over $200k	2.8%	3.6%	5.2%

Demographics & statistics

3,140

Population

110

People per sq mi

41.3

Median age

$82,467

Median household income

$42,753

Per capita income

$333,600

Median home value

$1,106

Median monthly rent

81.6%

Home ownership

4.0%

Poverty rate

2.5%

Unemployment

1,027

Housing units

32.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

172

5–9

152

10–14

15–19

20–24

255

25–34

225

306

35–44

270

106

45–54

102

55–59

60–64

268

65–74

235

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	673	21.4%
18 and over	2,467	78.6%
65 and over	677	21.6%
Median age	41.3 years

Race & ethnicity

White 97.2%

Two or more races 0.8%

Asian 0.6%

Hispanic or Latino 0.6%

Other race 0.6%

Black or African American 0.3%

Group	Count	%
White	3,068	97.2%
Two or more races	24	0.8%
Asian	19	0.6%
Hispanic or Latino	18	0.6%
Other race	18	0.6%
Black or African American	11	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.0%	37.2%	39.4%
$50k – $100k	42.3%	32.9%	33.0%
$100k – $200k	33.9%	26.4%	22.4%
Over $200k	2.8%	3.6%	5.2%

Under $10k 1.3%

$10k–$15k 0.7%

$15k–$25k 1.6%

$25k–$35k 5.1%

$35k–$50k 9.9%

$50k–$75k 26.4%

$75k–$100k 11.3%

$100k–$150k 25.7%

$150k–$200k 10.8%

$200k+ 7.3%

Range	% of households
Under $10k	1.3%
$10k–$15k	0.7%
$15k–$25k	1.6%
$25k–$35k	5.1%
$35k–$50k	9.9%
$50k–$75k	26.4%
$75k–$100k	11.3%
$100k–$150k	25.7%
$150k–$200k	10.8%
$200k+	7.3%
Median income	$82,467

Housing

Home values

Under $50k 1.8%

$100k–$150k 7.9%

$150k–$200k 2.4%

$200k–$300k 23.1%

$300k–$500k 50.2%

$500k–$1M 9.0%

$1M+ 5.6%

Housing overview

Metric	Value
Median home value	$333,600
Median rent / month	$1,106
Owner occupied	81.6%
Renter occupied	18.4%
Vacant	2.8%
Single-family detached	76.6%
Large apartment buildings	0.4%
Mobile homes	0.0%
Median rooms	6.2
Avg household size (owned)	2.66

Year built

Era	%
2020 or later	0.0%
2010–2019	11.4%
2000–2009	38.5%
1990–1999	6.3%
1980–1989	3.2%
1970–1979	12.3%
1960–1969	4.9%
1950–1959	2.0%
1940–1949	2.4%
1939 or earlier	19.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	12.8%
2 bedrooms	10.7%
3 bedrooms	52.2%
4 bedrooms	23.4%
5+ bedrooms	0.9%

Vehicles per household

Vehicles	% of households
No vehicle	0.9%
1 vehicle	24.0%
2 vehicles	52.1%
3 or more	23.0%

Heating fuel

Fuel type	%
Utility gas	47.5%
Electricity	28.5%
Propane / LP gas	17.2%
Fuel oil	3.2%
Wood	1.8%
No fuel used	1.8%

Households & families

Household type	Count	%
Married-couple family	810	66.7%
Cohabiting couple	129	10.6%
Male householder, no spouse	103	8.5%
Female householder, no spouse	173	14.2%
Households with children under 18	348	28.6%
Households with seniors (65+)	402	33.1%
Average household size	2.58

Marital status

Status	Male	Female
Never married	19.2%	18.1%
Married	68.2%	66.3%
Separated	0.0%	0.0%
Widowed	3.3%	7.6%
Divorced	9.3%	8.0%

Education

Less than 9th grade 0.8%

Some HS, no diploma 1.2%

HS graduate 31.9%

Some college, no degree 16.5%

Associate's degree 17.5%

Bachelor's degree 24.6%

Graduate / professional 7.4%

Metric	%
HS diploma or higher	98.0%
Bachelor's or higher	32.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	109	17.6%
Kindergarten	65	10.5%
Elementary school	293	47.2%
High school	112	18.0%
College / grad school	42	6.8%

Employment

Industry of employment

Education & healthcare 23.3%

Manufacturing 15.8%

Professional & management 12.0%

Finance & real estate 9.6%

Retail trade 9.0%

Other services 8.8%

Arts, food & hospitality 6.3%

Construction 4.9%

Public administration 4.9%

Information 2.1%

Transportation & utilities 1.6%

Agriculture & mining 1.4%

Wholesale trade 0.5%

Occupation

Category	%
Management, business & arts	46.8%
Service	11.5%
Sales & office	17.4%
Natural resources & construction	10.2%
Production & transportation	14.2%

Employment type

Type	%
Private sector	78.8%
Government	11.6%
Self-employed	9.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	68.4%
Carpool	8.9%
Public transit	0.0%
Walk	6.1%
Work from home	16.6%
Other means	0.0%
Avg commute (minutes)	26.4

Poverty

All people 4.0%

Under 18 years 2.6%

18 and over 4.4%

Married-couple families 1.4%

Female-led households 0.0%

Income support

Source	% of households
Social Security	33.7%
Retirement income	22.9%
Supplemental Security	4.2%
Cash public assistance	4.0%
Food stamps / SNAP	3.8%

Health indicators

Condition	%
Obesity	35.6%
High blood pressure	25.7%
High cholesterol	30.6%
Diabetes	7.0%
Heart disease	4.6%
Stroke	2.1%
Asthma	9.4%
Arthritis	20.6%
Kidney disease	2.1%
Pulmonary disease	4.8%
Cancer	5.8%

Behavior / access	%
Smoking	17.0%
Binge drinking	28.2%
No physical activity	17.4%
Less than 7 hrs sleep	32.0%
Depression	21.1%
Fair or poor health	9.4%
Poor mental health	13.4%
Poor physical health	8.1%
No health insurance	9.5%
Visited doctor (checkup)	70.4%
Visited dentist	71.3%
Cholesterol screening	87.0%
Teeth loss	9.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	219	8.9%

Disability	%
Any disability	7.8%
Under 18	1.5%
18–64 years	6.8%
65 and over	17.0%

Health insurance coverage

Type	%
Private insurance	90.7%
Public insurance	24.1%
No insurance	1.7%
Uninsured under 19	1.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,991	95.3%
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)	3,085	98.2%
Born in same state	3,085	98.2%
Born in different state	2,622	83.5%
Foreign born	0	0.0%
Naturalized citizen	55	1.8%
Not a US citizen	36	65.5%

Ancestry

Ancestry	Count	%
Italian	137	4.4%
English	127	4%
Polish	108	3.4%
Norwegian	102	3.2%
French	43	1.4%

Ancestry	Count	%
Arab	34	1.1%
Dutch	15	0.5%
German	12	0.4%
Irish	3	0.1%

Technology access

Metric	% of households
Computer access	38.7%
Internet access	93.2%

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

Frequently asked questions about ZIP code 53036

What city is ZIP code 53036 in?

ZIP code 53036 is primarily assigned to Ixonia, Wisconsin.

What county is ZIP code 53036 in?

ZIP code 53036 falls within Jefferson County, Wisconsin.

Is ZIP code 53036 mostly owner-occupied?

82% of occupied units in ZIP code 53036 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 53036?

The median home value in ZIP code 53036 is $333,600.

What is the population of ZIP code 53036?

ZIP code 53036 has an estimated population of 3,140 residents, with a density of 110 people per square mile.

What is the median household income in ZIP code 53036?

The median household income in ZIP code 53036 is $82,467, above the national median of ~$75,000.

What timezone is ZIP code 53036 in?

ZIP code 53036 observes the CST timezone.