US > Wisconsin > Sauk County > Prairie du Sac, WI 53578

53578 ZIP Code Profile, Map, Data & Demographics

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Prairie du Sac, WI
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ZIP Code 53578: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Prairie du Sac, WI 53578

Acceptable Alternative
Pr du Sac, WI 53578

  • ZIP Code Type: STANDARD
  • County: Sauk County
  • Centroid: Latitude 43.29, Longitude -89.737
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 53578 has segments in 2 Counties (Columbia, Sauk).

  • Businesses Addresses: 231
  • PO Box Addresses: 51
  • Residential Addresses: 2,726
    • Multi-Family Addresses: 246
    • Single Family Addresses: 2,480

The ZIP Code maps and database are updated 4 times per year.
Database updated: June 1, 2025, Maps updated: May 1, 2024.

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Prairie du Sac, WI 53578 Data & Demographics (As of July 1, 2025)

POPULATION

Total Population 6,608 (100%)
Population in Households 6,538 (98.9%)
Population in Families 5,387 (81.5%)
Population in Group Quarters1 70 ( 1.1%)
Population Density 138
Diversity Index2 27
 
 

INCOME

Median Household Income $103,024
Average Household Income $120,846
% of Income for Mortgage4 22%
Per Capita Income $49,627
Wealth Index5 103
Socioeconomic Status Index6 Moderate (60.4)
 

HOUSING

Total HU (Housing Units) 2,848 (100%)
Owner Occupied HU 1,964 (69.0%)
Renter Occupied HU 748 (26.3%)
Vacant Housing Units 136 ( 4.8%)
Median Home Value $361,037
Average Home Value $418,299
Housing Affordability Index3 101
 

HOUSEHOLDS

Total Households 2,712
Average Household Size 2.41
Family Households 1,770
Average Family Size 3.00
NOTES
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

GROWTH RATE / YEAR

 2020-2025 2025-2030
Population -0.07% 0.05%
Households 0.41% 0.21%
Families   -0.44%
Median Household Income   2.36%
Per Capita Income   2.28%
Owner Occupied HU   0.50%

Prairie du Sac, WI 53578 - Peer Comparisons by Rank and Percentile

The table below compares 53578 to the other 761 ZIP Codes in Wisconsin by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 232 70th
Population Density # 246 68th
Median Household Income # 84 89th
Housing Affordability Index # 516 68th
Per Capita Income # 141 82nd
Diversity Index # 232 70th

Additional comparisons and rankings can be made with a VERY EASY TO USE Wisconsin Census Data Comparison Tool.


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