Lake Koshkonong, WI Profile: Facts & Data


Lake Koshkonong Local Links & Resources:
Hotels | Resources | ALL Lake Koshkonong Content

Also See: Fort Atkinson, WI ZIP Codes & ZIP Code Maps | Local Area Photos

Lake Koshkonong, Wisconsin - Basic Facts

The Lake Koshkonong Census Designated Place had a population of 1,222 as of July 1, 2018. Lake Koshkonong ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Wisconsin. See peer rankings below.

The primary coordinate point for Lake Koshkonong is located at latitude 42.8936 and longitude -88.9634 in Jefferson County. The formal boundaries for the Lake Koshkonong Census Designated Place (see map below) encompass a land area of 14.1 sq. miles and a water area of 15.73 sq. miles. Jefferson County is in the Central time zone (GMT -6). The elevation is 781 feet.

The Lake Koshkonong Census Designated Place (GNIS ID: 2393080) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Lake Koshkonong Census Designated Place is located within Town of Sumner, a minor civil division (MCD) of Jefferson County.

Jump to... (On This Page!)
  1. Lake Koshkonong 2018 Demographic Data
  2. Growth Rates for Lake Koshkonong (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Wisconsin Research Tools (Easy Tools & Current Data)
  3. Wisconsin Data Comparison Tool - 2018 Demographics

Research a Wisconsin Address and get...

Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Lake Koshkonong, WI Data & Demographics (As of July 1, 2018)


Total Population 1,222
Population in Households 1,213
Population in Familes 1,002
Population in Group Qrtrs 9
Population Density2 87
Diversity Index3 12


Median Household Income $65,258
Average Household Income $89,773
Per Capita Income $37,355


Total Housing Units 859 (100%)
Owner Occupied HU 469 (54.6%)
Renter Occupied HU 70 ( 8.1%)
Vacant Housing Units 320 (37.3%)
Median Home Value $272,917
Average Home Value $311,087


Total Households 539
Average Household Size 2.25
Family Households 384
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. 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 race 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.


2010-2018 2018-2023
Population 0.18% 0.34%
Households 0.32% 0.4%
Families 1.03% 0.31%
Median Household Income   3.41%
Per Capita Income   3.89%

Lake Koshkonong, WI - Peer Comparisons by Rank and Percentile

The table below compares Lake Koshkonong to the other 774 incorporated cities, towns and CDPs in Wisconsin by rank and percentile using July 1, 2018 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 # 355 54th
Population Density # 741 4th
Diversity Index # 470 40th
Median Household Income # 183 76th
Per Capita Income # 88 89th

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

Quick & Easy Ways to...

  1. Get Current Demographic Data for Cities, Towns, and ZIP Codes
  2. View Boundary Maps, for Cities, Towns, and ZIP Codes
  3. Locate Physical, Cultural, and Historical Features
  4. Research Public Schools & Attendance Zones

Wisconsin Census Data Comparison Tool

Compare Wisconsin July 1, 2018 Data
Highest or Lowest: