Buffalo

Population: 405
Median household income: $67,321
Median home value: $122,400

Buffalo is a community in Sangamon County, Illinois, home to 405 residents. The median household income of $67,321 is below the Sangamon County median ($74,114).

Between 2019 and 2023, Buffalo's population declined 3.6% from 420 to 405, while its median home value rose 36.3% from $89,800 to $122,400.

The median gross rent is $475. 30.2% of adults 25 and older hold a bachelor's degree or higher.

Demographics

ACS 2019–2023

Population: 405
Median age: 48.6 yrs
Median household income: $67,321
Median home value: $122,400
Median gross rent: $475
Housing units: 197
Homeownership rate: 71.9%
Bachelor's degree or higher: 30.2%
Unemployment rate: 2.7%

Trends

ACS 5-year · 2019–2023

Population

420405

Median household income

$42,708$67,321

Median home value

$89,800$122,400

Median gross rent

$725$475

Year	Population	Median household income	Median home value	Median gross rent
2019	420	$42,708	$89,800	$725
2020	345	$52,750	$89,700	$905
2021	360	$55,500	$103,100	$675
2022	397	$71,250	$113,000	$675
2023	405	$67,321	$122,400	$475

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

Age distribution

Under 51.7%

5 to 1719.3%

18 to 245.4%

25 to 346.4%

35 to 4410.6%

45 to 5418.3%

55 to 6413.6%

65 to 7413.3%

75 and over11.4%

	Count	Share
Under 5	7	1.7%
5 to 17	78	19.3%
18 to 24	22	5.4%
25 to 34	26	6.4%
35 to 44	43	10.6%
45 to 54	74	18.3%
55 to 64	55	13.6%
65 to 74	54	13.3%
75 and over	46	11.4%

Race & ethnicity

	Count	Share
White (non-Hispanic)	355	87.7%
Black or African American	0	0.0%
American Indian & Alaska Native	0	0.0%
Asian	2	0.5%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	42	10.4%
Hispanic or Latino (any race)	6	1.5%

Educational attainment (age 25+)

No high school diploma7.0%

High school graduate31.5%

Some college or associate's31.2%

Bachelor's degree17.1%

Graduate or professional degree13.1%

	Count	Share
No high school diploma	21	7.0%
High school graduate	94	31.5%
Some college or associate's	93	31.2%
Bachelor's degree	51	17.1%
Graduate or professional degree	39	13.1%

Commute to work

Mean travel time to work: 26 min

Drove alone70.5%

Carpooled6.3%

Public transit0.0%

Walked3.4%

Bicycle0.0%

Worked from home15.3%

Other means4.5%

How workers get to work

	Count	Share
Drove alone	124	70.5%
Carpooled	11	6.3%
Public transit	0	0.0%
Walked	6	3.4%
Bicycle	0	0.0%
Worked from home	27	15.3%
Other means	8	4.5%

Travel time

	Count	Share
Under 15 min	17	11.4%
15 to 29 min	59	39.6%
30 to 44 min	66	44.3%
45 to 59 min	6	4.0%
60+ min	1	0.7%

Households

Average household size: 2.37
Poverty rate: 13.1% (53 of 405)

	Count	Share
Family households	111	64.9%
Nonfamily households	60	35.1%

Housing

Median year structure built: 1967

Occupancy

	Count	Share
Occupied	171	86.8%
Vacant	26	13.2%

Tenure (of occupied units)

	Count	Share
Owner-occupied	123	71.9%
Renter-occupied	48	28.1%

1-unit, detached64.5%

1-unit, attached6.6%

2 to 4 units0.0%

5 to 19 units18.8%

20 or more units0.0%

Mobile home & other10.2%

Units in structure

	Count	Share
1-unit, detached	127	64.5%
1-unit, attached	13	6.6%
2 to 4 units	0	0.0%
5 to 19 units	37	18.8%
20 or more units	0	0.0%
Mobile home & other	20	10.2%

Geography

Place GEOID: 1709434
Type (LSAD): 47
Land area: 0.34 sq mi
Water area: 0 sq mi
Center point: 39.8499, -89.4091