Lake Koshkonong

Population: 983
Median household income: $93,125
Median home value: $334,300

Lake Koshkonong, a community in Jefferson County, Wisconsin, has 983 residents. At $93,125, its median household income sits above Jefferson County's $80,604.

From 2019 to 2023, Lake Koshkonong's population declined 13.4% from 1,135 to 983, while its median home value rose 26.2% from $264,800 to $334,300.

Households average 2.09 people. The median gross rent is $1,167.

Demographics

ACS 2019–2023

Population: 983
Median age: 56.6 yrs
Median household income: $93,125
Median home value: $334,300
Median gross rent: $1,167
Housing units: 738
Homeownership rate: 90.0%
Bachelor's degree or higher: 28.6%
Unemployment rate: 2.5%

Trends

ACS 5-year · 2019–2023

Population

1,135983

Median household income

$75,893$93,125

Median home value

$264,800$334,300

Median gross rent

$890$1,167

Year	Population	Median household income	Median home value	Median gross rent
2019	1,135	$75,893	$264,800	$890
2020	958	$70,682	$267,700	$950
2021	996	$78,456	$272,500	$1,083
2022	995	$87,893	$322,500	$1,111
2023	983	$93,125	$334,300	$1,167

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 50.5%

5 to 1713.8%

18 to 243.5%

25 to 345.4%

35 to 444.8%

45 to 5419.0%

55 to 6419.3%

65 to 7422.2%

75 and over11.5%

	Count	Share
Under 5	5	0.5%
5 to 17	136	13.8%
18 to 24	34	3.5%
25 to 34	53	5.4%
35 to 44	47	4.8%
45 to 54	187	19.0%
55 to 64	190	19.3%
65 to 74	218	22.2%
75 and over	113	11.5%

Race & ethnicity

	Count	Share
White (non-Hispanic)	951	96.7%
Black or African American	13	1.3%
American Indian & Alaska Native	0	0.0%
Asian	2	0.2%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	2	0.2%
Two or more races	12	1.2%
Hispanic or Latino (any race)	3	0.3%

Educational attainment (age 25+)

No high school diploma6.1%

High school graduate31.9%

Some college or associate's33.4%

Bachelor's degree20.7%

Graduate or professional degree7.9%

	Count	Share
No high school diploma	49	6.1%
High school graduate	258	31.9%
Some college or associate's	270	33.4%
Bachelor's degree	167	20.7%
Graduate or professional degree	64	7.9%

Commute to work

Mean travel time to work: 27 min

Drove alone75.7%

Carpooled8.5%

Public transit0.0%

Walked0.0%

Bicycle0.0%

Worked from home15.9%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	376	75.7%
Carpooled	42	8.5%
Public transit	0	0.0%
Walked	0	0.0%
Bicycle	0	0.0%
Worked from home	79	15.9%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	82	19.6%
15 to 29 min	208	49.8%
30 to 44 min	57	13.6%
45 to 59 min	22	5.3%
60+ min	49	11.7%

Households

Average household size: 2.09
Poverty rate: 6.0% (59 of 983)

	Count	Share
Family households	293	62.3%
Nonfamily households	177	37.7%

Housing

Median year structure built: 1962

Occupancy

	Count	Share
Occupied	470	63.7%
Vacant	268	36.3%

Tenure (of occupied units)

	Count	Share
Owner-occupied	423	90.0%
Renter-occupied	47	10.0%

1-unit, detached94.9%

1-unit, attached3.8%

2 to 4 units1.4%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	700	94.9%
1-unit, attached	28	3.8%
2 to 4 units	10	1.4%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	0	0.0%

Geography

Place GEOID: 5541583
Type (LSAD): 57
Land area: 14 sq mi
Water area: 16 sq mi
Center point: 42.8605, -88.9401