Residential delivery area · Wisconsin
ZIP Code 53588: Spring Green, WI
ZIP code 53588 uses the postal name Spring Green, Wisconsin and lies mostly in Sauk County (66% of its land), reaching into Iowa County and Richland County (Census 2020 ZIP-county file). About 3,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $83,417 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Spring Green; 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Spring Green · its only residential ZIP
- County
- Sauk County (66%); Iowa County (33%); Richland County (1%)
- Census places
- Spring Green
- Micro area
- Baraboo, WI
- House districts
- WI-2 (99%), WI-3 (1%) 119th Congress, by share of land
- State
- Wisconsin
- Time zone
- Central
- Land area
- 139.9 sq mi · 27 people per sq mi
Where is ZIP code 53588?
53588 centers on 43.189°, -90.080° and covers 139.9 square miles of land plus 3.9 of water. It borders 7 ZIP codes: 53503, 53577, 53556, 53506, 53582, 53533, 53583.
The map draws ZIP code areas only. For the streets inside 53588, 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 53588 compare with the rest of Sauk County?
| Measure | 53588 | In Sauk County | In WI |
|---|---|---|---|
| People (ACS 2020-2024) | 3,770 | 6th of 19 | 324th of 783 |
| Median household income | $83k | 6th of 16 | 240th of 610 |
| Median home value | $292k | 5th of 15 | 177th of 612 |
Its median household income is higher than in 66% of U.S. residential ZIP codes, and it is denser than 31% 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 53588?
The 2020 Census counted 4,139 people in 53588; the ACS, which samples households over 2020-2024, estimates 3,770. Between the 2010 and 2020 censuses its population grew 1.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,770
- 2020 Census count
- 4,139+1.5% since 2010 (4,077)
- Households
- 1,725
- Median age
- 54.3
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 53588?
Of the 3,770 people the ACS estimates in 53588, 15.5% are under 18 and 26.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (91.8%).
- Under 1815.5%
- 18 to 6457.6%
- 65 and older26.9%
- White, not Hispanic91.8%
- Other or two or more5.7%
- Asian, not Hispanic1.4%
- Hispanic or Latino1.0%
- Black, not Hispanic0.2%
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 53588 earn?
Median household income is $83,417 (ACS 2020-2024), the 6th highest of the 16 ranked ZIP codes in Sauk County. It is not measurably different from 2015-2019 ($80,844 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $83,417
- Income per person
- $47,224
- Below the poverty line
- 7.4%
- Unemployed (of the labor force)
- 2.0%
- Adults 25+ with a bachelor's degree
- 31.6%
- Adjusted gross income per tax return, 2022
- $83,9432,240 returns; wages 58% 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 53588?
FHFA's house price index for 53588, built from repeat sales and appraisals of the same homes, rose 82% from 2015 to 2025 and rose 52% from 2020 to 2025, and moved +10.4% in 2025.
- Median home value (owners' estimate)
- $292,300
- Median gross rent
- $988
- Homes owned by their occupants
- 80.6%
- Housing units
- 1,931
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 53588?
142 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade23
- Accommodation and food services20
- Construction16
- Professional, scientific, and technical services14
- Other services (except public administration)13
- Health care and social assistance10
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 53588?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 53503 | Arena | 2,057 | $87k | 7.0 mi |
| 53577 | Plain | 1,363 | $97k | 8.5 mi |
| 53556 | Lone Rock | 2,428 | $68k | 9.0 mi |
| 53506 | Avoca | 1,011 | $60k | 10.5 mi |
| 53582 | Ridgeway | 1,070 | $89k | 12.9 mi |
| 53533 | Dodgeville | 7,283 | $78k | 13.9 mi |
| 53583 | Sauk City | 5,816 | $97k | 14.1 mi |
| 53540 | Gotham | 112 | $62k | 11.0 mi (near) |
| 53584 | Sextonville | 7 | – | 12.5 mi (near) |
| 53943 | Loganville | 1,245 | $73k | 13.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.