Residential delivery area · Wisconsin
ZIP Code 53566: Monroe, WI
ZIP code 53566 uses the postal name Monroe, Wisconsin and lies entirely in Green County (Census 2020 ZIP-county file). About 15,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $74,058 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in Monroe; 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Monroe · its only residential ZIP
- County
- Green County
- Census places
- Monroe
- Metro area
- Madison, WI
- House district
- WI-2 119th Congress
- State
- Wisconsin
- Time zone
- Central
- Land area
- 152.9 sq mi · 97 people per sq mi
Where is ZIP code 53566?
53566 centers on 42.609°, -89.649° and covers 152.9 square miles of land plus 0.0 of water. It borders 8 ZIP codes: 53522, 53570, 53550, 61060, 53504, 61089, 53502, 53520.
The map draws ZIP code areas only. For the streets inside 53566, 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 53566 compare with the rest of Green County?
| Measure | 53566 | In Green County | In WI |
|---|---|---|---|
| People (ACS 2020-2024) | 14,901 | 1st of 11 | 140th of 783 |
| Median household income | $74k | 9th of 10 | 354th of 610 |
| Median home value | $220k | 10th of 10 | 392nd of 612 |
Its median household income is higher than in 53% of U.S. residential ZIP codes, and it is denser than 53% 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 53566?
The 2020 Census counted 14,970 people in 53566; the ACS, which samples households over 2020-2024, estimates 14,901. Between the 2010 and 2020 censuses its population fell 1.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 14,901
- 2020 Census count
- 14,970−1.6% since 2010 (15,217)
- Households
- 6,755
- Median age
- 43.3
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 53566?
Of the 14,901 people the ACS estimates in 53566, 21.2% are under 18 and 22.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.6%).
- Under 1821.2%
- 18 to 6456.7%
- 65 and older22.1%
- White, not Hispanic89.6%
- Hispanic or Latino6.2%
- Other or two or more2.1%
- Black, not Hispanic1.2%
- Asian, not Hispanic0.9%
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 53566 earn?
Median household income is $74,058 (ACS 2020-2024), the 9th highest of the 10 ranked ZIP codes in Green County. It rose from $68,492 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $74,058
- Income per person
- $44,015
- Below the poverty line
- 7.9%
- Unemployed (of the labor force)
- 3.6%
- Adults 25+ with a bachelor's degree
- 27.8%
- Adjusted gross income per tax return, 2022
- $71,2897,770 returns; wages 65% 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 53566?
FHFA's house price index for 53566, built from repeat sales and appraisals of the same homes, rose 104% from 2015 to 2025 and rose 63% from 2020 to 2025, and moved +2.4% in 2025.
- Median home value (owners' estimate)
- $220,400
- Median gross rent
- $868
- Homes owned by their occupants
- 68.1%
- Housing units
- 7,032
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 53566?
542 business establishments had a location in this ZIP code in 2023, 12 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade83
- Construction57
- Other services (except public administration)56
- Health care and social assistance53
- Accommodation and food services47
- Manufacturing39
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 53566?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 53522 | Browntown | 943 | $82k | 7.7 mi |
| 53570 | Monticello | 2,686 | $88k | 8.6 mi |
| 53550 | Juda | 1,220 | $73k | 8.8 mi |
| 61060 | Orangeville, IL | 1,554 | $77k | 9.1 mi |
| 53504 | Argyle | 2,281 | $84k | 12.7 mi |
| 61089 | Winslow, IL | 526 | $66k | 12.9 mi |
| 53502 | Albany | 2,393 | $87k | 13.6 mi |
| 53520 | Brodhead | 6,687 | $75k | 14.7 mi |
| 53599 | Woodford | 75 | – | 10.9 mi (near) |
| 61050 | McConnell, IL | 199 | $75k | 12.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.