Buffalo township is located in Sangamon County Illinois. Buffalo township has a 2024 population of 2,634. Buffalo township is currently declining at a rate of -0.19% annually and its population has decreased by -1.39% since the most recent census, which recorded a population of 2,671 in 2020.
The average household income in Buffalo township is $69,497 with a poverty rate of 19.89%. The median age in Buffalo township is 33.5 years: 33.2 years for males, and 36.3 years for females.
According to the most recent ACS, the racial composition of Buffalo township was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,617 | 98.53% |
| Native American | 18 | 0.68% |
| Asian | 11 | 0.41% |
| Two or more races | 10 | 0.38% |
| Black or African American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Other race | 0 | 0% |
White
Native American
Asian
Two or more races
Black or African American
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 1,108 | 2.36 | 64.2 | 35.8 |
| Married | 492 | 2.83 | 81.3 | 18.7 |
| Non Family | 401 | 1.14 | 59.4 | 40.6 |
| Female | 138 | 3.29 | 39.9 | 60.1 |
| Male | 77 | 4.03 | 23.4 | 76.6 |
2.88
Average Family Size
2.36
Average Household Size
64.2%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 70 | 3.81% |
| Associates Degree | 243 | 13.24% |
| Bachelors Degree | 225 | 12.26% |
| Graduate Degree | 96 | 5.23% |
| High School Graduate | 830 | 45.23% |
| Less Than 9th Grade | 51 | 2.78% |
| Some College | 320 | 17.44% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 1,792 | 1,672 | 320 |
| Hispanic | 27 | 27 | 0 |
| Native American | 18 | 18 | 0 |
| Asian | 11 | 10 | 0 |
| 2+ Races | 5 | 5 | 1 |
The highest rate of high school graduation is among native american people with a rate of 100%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 20%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $78,672 | $102,000 | $64,803 |
| Graduate Degree | $85,000 | $73,571 | $95,667 |
| High School Graduate | $35,526 | $38,553 | $34,063 |
| Less Than 9th Grade | $31,429 | $38,500 | $0 |
| Overall | $39,872 | $45,729 | $36,694 |
| Some College | $41,250 | $58,854 | $38,049 |
$39,872
Average Earnings
$45,729
Average Male
$36,694
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
96.68% of Buffalo township residents speak only English, while 3.32% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 1.56% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 2,567 | 502 | 19.56% |
| Native | 18 | 18 | 100% |
| Hispanic | 34 | 18 | 52.94% |
19.89%
Overall Poverty Rate
20.63%
Male Poverty Rate
19.16%
Female Poverty Rate
The race most likely to be in poverty in Buffalo township is Native, with 100% below the poverty level.
The race least likely to be in poverty in Buffalo township is White, with 19.56% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 7.52%. Among those working part-time, it was 0%, and for those that did not work, the poverty rate was 35.19%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 44.63% |
| High School | 22.54% |
| Some College | 3.96% |
| Bachelors or Greater | 3.5% |
rate
Rate | Poverty |
|---|---|
| Female Unemployed | 65% |
| Male Employed | 2.98% |
| Female Employed | 2.87% |
| Male Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $70,809 | $79,436 |
| Households | $54,875 | $69,497 |
| Married Families | $92,870 | $-999,999,999 |
| Non Families | $32,255 | $47,104 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
49.3%
Overall Marriage Rate
50.9%
Male Marriage Rate
47.6%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
224
Number of Veterans
207
Male Veterans
17
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 86 |
| First Gulf War | 51 |
| Second Gulf War | 33 |
| Korea | 7 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 75+ | 64 |
| 65 to 74 | 46 |
| 55 to 64 | 44 |
| 35 to 54 | 42 |
| 18 to 34 | 28 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 220 | 11.54% |
| 2+ Races | 4 | 80% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
17.97%
Veteran Poverty Rate
27.19%
Veteran Disability Rate
LaborForceParticipation
60.3%
Labor Force Participation
57.5%
Employment Rate
4.5%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
82.98%
Born in Buffalo township
97.93%
Native Born
2.07%
Foreign Born
1.77%
Non Citizen
0.3%
Naturalized
97.93% of Buffalo township residents were born in the United States, with 82.98% having been born in Illinois. 1.77% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 2,609 | -5 | -0.19% |
| 2028 | 2,614 | -5 | -0.19% |
| 2027 | 2,619 | -5 | -0.19% |
| 2026 | 2,624 | -5 | -0.19% |
| 2025 | 2,629 | -5 | -0.19% |
| 2024 | 2,634 | -5 | -0.19% |
| 2023 | 2,639 | -5 | -0.19% |
| 2022 | 2,644 | -9 | -0.34% |
| 2021 | 2,653 | -18 | -0.67% |
| 2020 | 2,671 | 59 | 2.26% |
| 2019 | 2,612 | -16 | -0.61% |
| 2018 | 2,628 | -20 | -0.76% |
| 2017 | 2,648 | -13 | -0.49% |
| 2016 | 2,661 | -28 | -1.04% |
| 2015 | 2,689 | -23 | -0.85% |
| 2014 | 2,712 | -21 | -0.77% |
| 2013 | 2,733 | -27 | -0.98% |
| 2012 | 2,760 | -17 | -0.61% |
| 2011 | 2,777 | -29 | -1.03% |
| 2010 | 2,806 | 0 | 0% |