Residential delivery area · Wisconsin
ZIP Code 53036: Ixonia, WI
ZIP code 53036 uses the postal name Ixonia, Wisconsin and lies mostly in Jefferson County (71% of its land), reaching into Dodge County and Waukesha County (Census 2020 ZIP-county file). About 3,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $92,674 (Census Bureau, ACS 2020-2024). By Census place, 13% of its land lies in Ixonia (a census-designated place), and 2% in smaller places; 86% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Ixonia · its only residential ZIP
- County
- Jefferson County (71%); Dodge County (25%); Waukesha County (5%)
- Census places
- Ixonia census-designated place
- Micro area
- Watertown-Fort Atkinson, WI
- House district
- WI-5 119th Congress
- State
- Wisconsin
- Time zone
- Central
- Land area
- 28.6 sq mi · 130 people per sq mi
Where is ZIP code 53036?
53036 centers on 43.180°, -88.575° and covers 28.6 square miles of land plus 0.5 of water. It borders 5 ZIP codes: 53003, 53066, 53059, 53094, 53098.
The map draws ZIP code areas only. For the streets inside 53036, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 53036 compare with the rest of Jefferson County?
| Measure | 53036 | In Jefferson County | In WI |
|---|---|---|---|
| People (ACS 2020-2024) | 3,730 | 14th of 17 | 328th of 783 |
| Median household income | $93k | 9th of 17 | 141st of 610 |
| Median home value | $352k | 7th of 17 | 85th of 612 |
Its median household income is higher than in 76% of U.S. residential ZIP codes, and it is denser than 57% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 53036?
The 2020 Census counted 3,540 people in 53036; the ACS, which samples households over 2020-2024, estimates 3,730. Between the 2010 and 2020 censuses its population grew 30.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,730
- 2020 Census count
- 3,540+30.1% since 2010 (2,720)
- Households
- 1,405
- Median age
- 41.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 53036?
Of the 3,730 people the ACS estimates in 53036, 20.2% are under 18 and 20.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (95.5%).
- Under 1820.2%
- 18 to 6459.3%
- 65 and older20.5%
- White, not Hispanic95.5%
- Hispanic or Latino1.9%
- Black, not Hispanic1.6%
- Other or two or more0.6%
- Asian, not Hispanic0.4%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 53036 earn?
Median household income is $92,674 (ACS 2020-2024), the 9th highest of the 17 ranked ZIP codes in Jefferson County. It is not measurably different from 2015-2019 ($101,611 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $92,674±$10,405
- Income per person
- $43,208
- Below the poverty line
- 3.1%
- Unemployed (of the labor force)
- 1.9%
- Adults 25+ with a bachelor's degree
- 31.0%
- Adjusted gross income per tax return, 2022
- $86,4861,650 returns; wages 77% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 53036?
FHFA's house price index for 53036, built from repeat sales and appraisals of the same homes, rose 110% from 2015 to 2025 and rose 72% from 2020 to 2025, and moved +14.8% in 2025.
- Median home value (owners' estimate)
- $352,300
- Median gross rent
- $1,147
- Homes owned by their occupants
- 82.1%
- Housing units
- 1,405
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 53036?
91 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in manufacturing (ZIP Code Business Patterns).
- Manufacturing23
- Construction22
- Wholesale trade9
- Other services (except public administration)9
- Retail trade6
- Transportation and warehousing4
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 53036?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 53003 | Ashippun | 130 | $62k | 3.6 mi |
| 53066 | Oconomowoc | 37,558 | $113k | 6.3 mi |
| 53059 | Neosho | 1,774 | $91k | 7.9 mi |
| 53094 | Watertown | 17,998 | $73k | 8.3 mi |
| 53098 | Watertown | 11,353 | $74k | 8.5 mi |
| 53047 | Lebanon | 85 | $47k | 6.2 mi (near) |
| 53069 | Okauchee | 671 | $131k | 8.5 mi (near) |
| 53058 | Nashotah | 3,405 | $104k | 9.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.