Sauk

Source:

Wisconsin

Sauk is a county in Wisconsin with 12 ZIP codes and a total population of 60,490. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

Sauk is a county inside Wisconsin (FIPS code 55111) that contains 12 USPS ZIP codes covering a combined population of 60,490 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail — crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.

The 12 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in Sauk is 53913 covering Baraboo with 19,881 residents at 58 people per square mile. Population density across ZIPs in this county varies — use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.

Because Sauk uses FIPS code 55111, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files — no estimates, no proprietary sources, no editorial scoring.

12

Total ZIPs

60,490

Total Population

ZIP Codes in Sauk

Side-by-side: Compare 53913 vs 53959 →

ZIP Code City Population Density
53913 Baraboo 19,881 58
53959 Reedsburg 13,384 47
53578 Prairie Du Sac 5,924 47
53583 Sauk City 5,747 29
53588 Spring Green 4,077 12
53941 La Valle 2,932 16
53951 North Freedom 2,601 14
53561 Merrimac 1,618 17
53577 Plain 1,371 12
53943 Loganville 1,065 8
53937 Hillpoint 1,053 8
53961 Rock Springs 837 14

What are common questions about ZIP codes in this county?

What is the population of Sauk?
Sauk has a total population of 60,490 across 12 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Sauk?
Sauk includes 12 ZIP codes: 53913, 53959, 53578, 53583, 53588, 53941, 53951, 53561, 53577, 53943, and more.
What is the median household income in Sauk?
Median household income data for individual ZIP codes in Sauk is available on each ZIP code's detail page. Visit any ZIP code link below to see income, housing, and demographic data.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.