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HomeWisconsinJefferson CountyLake Koshkonong CDP

Lake Koshkonong CDP, Wisconsin: commercial real estate data.

Lake Koshkonong CDP is a Census CDP of 1,010 people across 14.10 square miles of land, in Jefferson County. Median household income is $97,115, 90.4 percent of occupied homes are owned.

50 sourced place values · tier FULL · 6 sections

Lake Koshkonong

What Lake Koshkonong is

  • Census place typeCDP
  • Land area14.1 sq mi
  • Water area15.73 sq mi
  • Population per square mile of land72
  • County holding the largest share of its areaJefferson County, 100.0 percent

US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Lake Koshkonong

How many people live in Lake Koshkonong

  • Population1,010
  • Median age54.0
  • Population under 18155 plus or minus 53
  • Share under 1815.3 percent plus or minus 4.7
  • Population 65 and over318 plus or minus 64
  • Share 65 and over31.5 percent
  • Households498
  • Family households318
  • Share of households that are families63.9 percent

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Lake Koshkonong

Income and work in Lake Koshkonong

  • Median household income$97,115
  • Per capita income$61,161
  • Civilian labor force562
  • Employed555
  • Unemployed7 plus or minus 8
  • Unemployment rate1.2 percent plus or minus 1.4
  • Adults 25 and over806
  • Adults 25 and over with a high school diploma or higher97.0 percent plus or minus 20.7
  • Adults 25 and over with a bachelor degree or higher27.2 percent plus or minus 5.5
  • Adults 25 and over with a graduate degree9.3 percent plus or minus 4.1

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Lake Koshkonong

Housing in Lake Koshkonong

  • Housing units731
  • Occupied units498
  • Vacant units233 plus or minus 53
  • Vacancy rate31.9 percent
  • Owner occupied450
  • Renter occupied48 plus or minus 32
  • Ownership rate90.4 percent
  • Median owner-occupied home value$370,300
  • Median gross rent, monthly$1,296
  • Annual rent as a share of median income16.0 percent
  • Single family units719
  • Share single family98.4 percent
  • Units in buildings of two or more12 plus or minus 14
  • Share in buildings of two or more1.6 percent plus or minus 2.0
  • Mobile homes0
  • Median year structure built1965

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Lake Koshkonong

How Lake Koshkonong gets to work

  • Workers 16 and over who commute466 plus or minus 93
  • Commuting under 15 minutes127 plus or minus 45
  • Share commuting under 15 minutes27.3 percent plus or minus 8.0
  • Commuting 30 minutes or more161 plus or minus 56
  • Share commuting 30 minutes or more34.5 percent plus or minus 9.8
  • Drove alone79.3 percent
  • Carpooled7.9 percent plus or minus 5.4
  • Public transport0.0 percent
  • Walked0.0 percent
  • Worked from home12.9 percent plus or minus 4.9

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Jefferson County, not Lake Koshkonong

Jefferson County context, not Lake Koshkonong figures

These are Jefferson County figures. There is no place level equivalent published for any of them, so they are shown as the county backdrop and never as Lake Koshkonong measurements.

  • Establishments in Jefferson County2,058
  • Employment at those establishments, Jefferson County31,584
  • Covered employment, Jefferson County33,615
  • Average annual pay, Jefferson County$54,167
  • Average weekly wage, Jefferson County$1,042
  • Housing units permitted, Jefferson County146
  • Of those, single family, Jefferson County132
  • County product, 2024, Jefferson County$4,923,014,000
  • County product change over the prior year, Jefferson County5.4 percent
  • Average income of an arriving household, Jefferson County$62,056

Every figure in this section is published for Jefferson County as a whole and is not a measurement of Lake Koshkonong. It is here because a county backdrop is what a credit committee reads a place against, and it is labelled so that it can never be quoted as the place's own.

US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual. US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024. US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.

Coverage

What this page does not hold.

Every item below could be filled with a plausible figure. None of them is. On a page a lender may read, a number that cannot be traced is worse than an absence, so the absences are named.

  • No SBA approvals are recorded to a borrower address in this place in either FOIA release.
  • This place is not listed as a community in the FEMA Community Status Book, so no NFIP participation or CRS class is shown.
  • Parcel level detail, zoning and flood zone at an address are resolved in the platform, not on this page.

SBA figures count approvals to borrowers whose address is in the place. They are not approvals for projects inside the place boundary: the tape records a borrower city and a project county, and those can differ.

Common questions

Lake Koshkonong questions, answered from the record.

How many people live in Lake Koshkonong, Wisconsin?

1,010, in 498 households. Lake Koshkonong CDP covers 14.10 square miles of land, which is 72 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

What county is Lake Koshkonong in?

Jefferson County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.

What is the median household income in Lake Koshkonong?

$97,115. The median owner-occupied home is valued at $370,300. Median gross rent is $1,296 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Are the county figures on this page Lake Koshkonong figures?

No, and they are labelled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Jefferson County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Lake Koshkonong.

Is zoning published for Lake Koshkonong?

Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning.