Williamsville

Population: 1,519
Median household income: $104,135
Median home value: $187,000

Williamsville, a community in Sangamon County, Illinois, has 1,519 residents. At $104,135, its median household income sits above Sangamon County's $74,114.

Between 2019 and 2023, Williamsville's population held roughly steady from 1,522 to 1,519, while its median home value rose 13.6% from $164,600 to $187,000.

White (non-Hispanic) residents are the largest group, 91.5% of the population. 80.3% of workers drive to work alone.

Demographics

ACS 2019–2023

Population: 1,519
Median age: 44.1 yrs
Median household income: $104,135
Median home value: $187,000
Median gross rent: $1,055
Housing units: 656
Homeownership rate: 86.2%
Bachelor's degree or higher: 39.5%
Unemployment rate: 1.8%

Trends

ACS 5-year · 2019–2023

Population

1,5221,519

Median household income

$84,922$104,135

Median home value

$164,600$187,000

Median gross rent

$773$1,055

Year	Population	Median household income	Median home value	Median gross rent
2019	1,522	$84,922	$164,600	$773
2020	1,468	$86,326	$162,900	$803
2021	1,452	$89,551	$162,800	$832
2022	1,468	$99,938	$181,800	$986
2023	1,519	$104,135	$187,000	$1,055

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

Age distribution

Under 54.4%

5 to 1717.3%

18 to 244.1%

25 to 3412.0%

35 to 4413.0%

45 to 5414.7%

55 to 6416.9%

65 to 7410.6%

75 and over6.9%

	Count	Share
Under 5	67	4.4%
5 to 17	263	17.3%
18 to 24	62	4.1%
25 to 34	183	12.0%
35 to 44	198	13.0%
45 to 54	223	14.7%
55 to 64	257	16.9%
65 to 74	161	10.6%
75 and over	105	6.9%

Race & ethnicity

	Count	Share
White (non-Hispanic)	1,390	91.5%
Black or African American	25	1.6%
American Indian & Alaska Native	0	0.0%
Asian	13	0.9%
Native Hawaiian & Pacific Islander	6	0.4%
Some other race	0	0.0%
Two or more races	63	4.1%
Hispanic or Latino (any race)	22	1.4%

Educational attainment (age 25+)

No high school diploma8.3%

High school graduate28.8%

Some college or associate's23.3%

Bachelor's degree25.6%

Graduate or professional degree13.8%

	Count	Share
No high school diploma	94	8.3%
High school graduate	325	28.8%
Some college or associate's	263	23.3%
Bachelor's degree	289	25.6%
Graduate or professional degree	156	13.8%

Commute to work

Mean travel time to work: 21 min

Drove alone80.3%

Carpooled3.0%

Public transit0.0%

Walked0.5%

Bicycle0.0%

Worked from home15.0%

Other means1.2%

How workers get to work

	Count	Share
Drove alone	650	80.3%
Carpooled	24	3.0%
Public transit	0	0.0%
Walked	4	0.5%
Bicycle	0	0.0%
Worked from home	121	15.0%
Other means	10	1.2%

Travel time

	Count	Share
Under 15 min	174	25.3%
15 to 29 min	330	48.0%
30 to 44 min	137	19.9%
45 to 59 min	36	5.2%
60+ min	11	1.6%

Households

Average household size: 2.36
Poverty rate: 7.5% (113 of 1,497)

	Count	Share
Family households	454	70.5%
Nonfamily households	190	29.5%

Housing

Median year structure built: 1973

Occupancy

	Count	Share
Occupied	644	98.2%
Vacant	12	1.8%

Tenure (of occupied units)

	Count	Share
Owner-occupied	555	86.2%
Renter-occupied	89	13.8%

1-unit, detached90.7%

1-unit, attached0.6%

2 to 4 units4.4%

5 to 19 units3.8%

20 or more units0.0%

Mobile home & other0.5%

Units in structure

	Count	Share
1-unit, detached	595	90.7%
1-unit, attached	4	0.6%
2 to 4 units	29	4.4%
5 to 19 units	25	3.8%
20 or more units	0	0.0%
Mobile home & other	3	0.5%

Geography

Place GEOID: 1781854
Type (LSAD): 47
Land area: 1.55 sq mi
Water area: 0.03 sq mi
Center point: 39.9561, -89.5436