53561
ZIP 53561 is Merrimac, Wisconsin, mostly in Sauk County; area code 608; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Sauk +1 more
- Metro area
- Baraboo, WI
- Population
- 1,872
- Coordinates
- 43.3994, -89.6517
Weather right now
Asking the National Weather Service…
Where 53561 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 53561 into a pocket calculator and turn it upside down: IgSES — not quite a word, sorry.
- ➕ As a number, 53,561 = 19 × 2819. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101000100111001 - 🏠 Its numerical neighbours: 53560 (Mazomanie, WI, 15 mi away) and 53562 (Middleton, WI, 20 mi away).
- 🔄 Backwards, 53561 becomes 16535, which is not a ZIP code at all.
- 👥 28 other ZIP codes are made of exactly the same digits (13655, 15365, 15536, 15563, 15635, 16553, …). The farthest-flung twin is 31565 in Waverly, GA, 958 miles away.
- 🧭 Farther north than 85% of all ZIP codes, and farther west than 55%.
- 🎯523 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 53561 and you would come out at 43.40°S, 90.35°E — 1,040 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 25m of daylight. Shortest: 8h 57m.
- 📏 At 36.5 square miles of land, 53561 is bigger than 51% of ZIP codes — room for about 28 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,872This ZIP1,872 |
|---|---|
| Households | 815This ZIP815 |
| Housing units | 1,169This ZIP1,169 |
| Median age | 47.3This ZIP47.3Wisconsin40.2US 38.9 |
| Median household income | $91,103This ZIP$91,103Wisconsin$77,485US $80,734 |
| Median home value | $427,600This ZIP$427,600Wisconsin$266,500US $332,700 |
| Median gross rent | $1,061This ZIP$1,061Wisconsin$1,087US $1,413 |
| Bachelor's degree or higher | 38.7%This ZIP38.7% |
| Mean commute | 29.6 minThis ZIP29.6 min |
| Population density | 51.3 / sq miThis ZIP51.3 / sq mi |
Business and tax activity
| Business establishments | 26This ZIP26 |
|---|---|
| Employees | 147This ZIP147 |
| Annual payroll | $5,389,000This ZIP$5,389,000 |
| Tax returns filed | 1,090This ZIP1,090 |
| Total adjusted gross income | $112,535,000This ZIP$112,535,000 |
Land area
| Land area | 36.46 sq miThis ZIP36.46 sq mi |
|---|---|
| Water area | 3.27 sq miThis ZIP3.27 sq mi |
Counties 53561 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Sauk County | 71.9% |
| Columbia County | 28.1% |
Other place names in 53561
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 53561
| ZIP | City | Distance |
|---|---|---|
53555 | Lodi, WI | 7.3 mi |
53913 | Baraboo, WI | 7.5 mi |
53578 | Prairie Du Sac, WI | 8.5 mi |
53951 | North Freedom, WI | 11.3 mi |
53529 | Dane, WI | 12.4 mi |
53955 | Poynette, WI | 12.7 mi |
53583 | Sauk City, WI | 13.1 mi |
53901 | Portage, WI | 14.0 mi |
53560 | Mazomanie, WI | 15.0 mi |
53940 | Lake Delton, WI | 15.1 mi |
Find every ZIP code within 10 miles of 53561 →
Questions about this ZIP code
Where is ZIP code 53561?
53561 is in Merrimac, Wisconsin, in Sauk County, part of the Baraboo, WI micropolitan area. Its published point location is 43.3994, -89.6517.
What county is 53561 in?
53561 spans 2 counties: Sauk County and Columbia County. Most of it falls in Sauk County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 53561?
Merrimac uses area code 608, from NANPA's telephone records.
What time zone is 53561 in?
53561 uses America/Chicago.
How many people live in 53561?
About 1,872 people live in ZIP code 53561, in 815 households, at 51.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 53561?
$91,103 a year, against $77,485 across Wisconsin.
What ZIP codes are near 53561?
The closest are 53555 (7.3 mi), 53913 (7.5 mi), 53578 (8.5 mi), 53951 (11.3 mi) and 53529 (12.4 mi).
Is 53561 a PO Box ZIP code?
53561 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “53561 ZIP Code — Merrimac, Wisconsin (Sauk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/53561
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/53561.json Underlying data is public domain or openly licensed — sources, vintages and licences.