Thayer is a city located in Sangamon County Illinois. Thayer has a 2024 population of 611. Thayer is currently declining at a rate of -0.81% annually and its population has decreased by -3.17% since the most recent census, which recorded a population of 631 in 2020.
The average household income in Thayer is $71,791 with a poverty rate of 9.71%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Thayer is 44.3 years, 43.8 years for males, and 46.1 years for females.
According to the most recent ACS, the racial composition of Thayer was:
White
Two or more races
Asian
Black or African American
Native American
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 270 | 2.05 | 93 | 7 |
| Non Family | 124 | 1.27 | 94.4 | 5.6 |
| Married | 103 | 2.77 | 100 | 0 |
| Female | 29 | 2.55 | 69 | 31 |
| Male | 14 | 2.64 | 78.6 | 21.4 |
2.65
Average Family Size
2.05
Average Household Size
93.0%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
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
The highest rate of high school graduation is among asian people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 100%.
All
Male
Female
$39,231
Average Earnings
$41,875
Average Male
$36,382
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
97.71% of Thayer residents speak only English, while 2.29% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.29% of the population.
rate
9.71%
Overall Poverty Rate
1.35%
Male Poverty Rate
19.68%
Female Poverty Rate
The race most likely to be in poverty in Thayer is Multiple, with 22.22% below the poverty level.
The race least likely to be in poverty in Thayer is White, with 9.71% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.67%. Among those working part-time, it was 14.61%, and for those that did not work, the poverty rate was 13.14%.
Married
Widowed
Divorced
Separated
NeverMarried
46.7%
Overall Marriage Rate
43.8%
Male Marriage Rate
50.2%
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 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
20.59%
Veteran Disability Rate
LaborForceParticipation
70.1%
Labor Force Participation
64.9%
Employment Rate
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
78.3%
Born in Thayer
98.19%
Native Born
1.81%
Foreign Born
0.9%
Non Citizen
0.9%
Naturalized
98.19% of Thayer residents were born in the United States, with 78.3% having been born in Illinois. 0.9% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 586 | -5 | -0.85% |
| 2028 | 591 | -5 | -0.84% |
| 2027 | 596 | -5 | -0.83% |
| 2026 | 601 | -5 | -0.83% |
| 2025 | 606 | -5 | -0.82% |
| 2024 | 611 | -5 | -0.81% |
| 2023 | 616 | -5 | -0.81% |
| 2022 | 621 | -4 | -0.64% |
| 2021 | 625 | -6 | -0.95% |
| 2020 | 631 | -27 | -4.1% |
| 2019 | 658 | -6 | -0.9% |
| 2018 | 664 | -9 | -1.34% |
| 2017 | 673 | -5 | -0.74% |
| 2016 | 678 | -7 | -1.02% |
| 2015 | 685 | -4 | -0.58% |
| 2014 | 689 | -4 | -0.58% |
| 2013 | 693 | -2 | -0.29% |
| 2012 | 695 | -3 | -0.43% |
| 2011 | 698 | 4 | 0.58% |
| 2010 | 694 | 0 | 0% |