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Illinois ZIP Codes
Sangamon County
Thayer, IL
62689
62689 ZIP Code — Thayer, IL
Sangamon County, Illinois
ZIP code 62689 is located in
Thayer ,
Illinois ,
within Sangamon County .
It covers approximately 1.15 square miles and serves a population of
557 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 217 .
About ZIP code 62689
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $84,700. Owner-occupancy is high at 97%, well above the national average.
The gap between median ($56,563) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.
College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.
Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.
Overall, ZIP code 62689 reflects a community defined by a trades-oriented workforce, a strong veteran community, and high homeownership.
62689 ZIP code map
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Cities in ZIP code 62689
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Demographics
updated 05/2026
Population
Total population
557
Population density
484 / sq mi
State FIPS
17
County FIPS
167
Geography
Land area
1.15 sq mi
Water area
0.00 sq mi
Latitude
39.5405
Longitude
-89.7614
Timezone
Central (CT)
Area code
217
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
51.8%
41.0%
37.2%
$50k – $100k
31.3%
30.8%
29.6%
$100k – $200k
10.4%
22.7%
24.4%
Over $200k
6.4%
5.5%
8.8%
Demographics & statistics
$56,563
Median household income
17.6%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 127 22.8% 18 and over 430 77.2% 65 and over 82 14.7% Median age 37.6 years
Race & ethnicity
Group Count % White 543 97.5% Asian 7 1.3% Two or more races 7 1.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
51.8%
41.0%
37.2%
$50k – $100k
31.3%
30.8%
29.6%
$100k – $200k
10.4%
22.7%
24.4%
Over $200k
6.4%
5.5%
8.8%
Range % of households Under $10k 3.0% $10k–$15k 1.7% $15k–$25k 6.4% $25k–$35k 11.1% $35k–$50k 16.2% $50k–$75k 19.1% $75k–$100k 16.6% $100k–$150k 17.9% $150k–$200k 1.7% $200k+ 6.4% Median income $56,563
Housing
Housing overview
Metric Value Median home value $84,700 Median rent / month $860 Owner occupied 96.6% Renter occupied 3.4% Vacant 14.9% Single-family detached 99.3% Large apartment buildings 0.0% Mobile homes 0.7% Median rooms 5.8 Avg household size (owned) 2.39
Year built
Era % 2020 or later 0.0% 2010–2019 1.1% 2000–2009 9.1% 1990–1999 2.2% 1980–1989 10.9% 1970–1979 11.2% 1960–1969 6.2% 1950–1959 11.2% 1940–1949 14.9% 1939 or earlier 33.3%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 1.1% 2 bedrooms 43.8% 3 bedrooms 43.5% 4 bedrooms 2.9% 5+ bedrooms 8.7%
Vehicles per household
Vehicles % of households No vehicle 2.1% 1 vehicle 42.1% 2 vehicles 32.3% 3 or more 23.4%
Heating fuel
Fuel type % Utility gas 83.0% Electricity 17.0%
Households & families
Household type Count % Married-couple family 85 36.2% Cohabiting couple 17 7.2% Male householder, no spouse 81 34.5% Female householder, no spouse 52 22.1% Households with children under 18 65 27.7% Households with seniors (65+) 66 28.1% Average household size 2.37
Marital status
Status Male Female Never married 42.4% 24.3% Married 36.0% 45.5% Separated 2.3% 2.1% Widowed 6.4% 14.8% Divorced 12.9% 13.2%
Education
Some college, no degree
19.5%
Graduate / professional
3.0%
Metric % HS diploma or higher 94.6% Bachelor's or higher 17.6%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 7 5.2% Kindergarten 0 0.0% Elementary school 85 63.0% High school 26 19.3% College / grad school 17 12.6%
Employment
Industry of employment
Education & healthcare
21.3%
Finance & real estate
9.8%
Professional & management
9.5%
Arts, food & hospitality
8.5%
Transportation & utilities
7.0%
Public administration
4.9%
Agriculture & mining
0.9%
Occupation
Category % Management, business & arts 29.0% Service 25.6% Sales & office 23.2% Natural resources & construction 9.1% Production & transportation 13.1%
Employment type
Type % Private sector 88.1% Government 11.3% Self-employed 0.6% Unpaid family workers 0.0%
Commute
Method % Drive alone 74.7% Carpool 6.7% Public transit 0.0% Walk 0.0% Work from home 18.6% Other means 0.0% Avg commute (minutes) 24.2
Poverty
Married-couple families
0.0%
Female-led households
4.8%
Income support
Source % of households Social Security 26.8% Retirement income 26.4% Supplemental Security 0.9% Cash public assistance 5.5% Food stamps / SNAP 4.7%
Health indicators
Condition % Obesity 33.5% High blood pressure 32.5% High cholesterol 32.4% Diabetes 9.1% Heart disease 6.1% Stroke 2.8% Asthma 9.5% Arthritis 25.2% Kidney disease 2.7% Pulmonary disease 6.7% Cancer 6.8%
Behavior / access % Smoking 18.7% Binge drinking 16.3% No physical activity 23.3% Less than 7 hrs sleep 28.5% Depression 17.4% Fair or poor health 13.0% Poor mental health 13.1% Poor physical health 9.4% No health insurance 10.4% Visited doctor (checkup) 75.2% Visited dentist 65.1% Cholesterol screening 89.1% Teeth loss 13.8%
Veterans & disability
Veterans Count % Civilian veterans 55 13.0%
Disability % Any disability 15.5% Under 18 18.1% 18–64 years 10.0% 65 and over 34.1%
Health insurance coverage
Type % Private insurance 82.5% Public insurance 26.8% No insurance 5.1% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 541 97.1% Spanish 3 0.6% Other Indo-European 0 0.0% Asian & Pacific Islander 3 0.6% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 547 98.2% Born in same state 545 97.8% Born in different state 463 83.1% Foreign born 2 0.4% Naturalized citizen 10 1.8% Not a US citizen 5 50.0%
Ancestry
Ancestry Count % Italian 48 8.6% French 30 5.4% Irish 20 3.6%
Ancestry Count % Arab 16 2.9% Polish 15 2.7% English 4 0.7%
Technology access
Metric % of households Computer access 42.2% Internet access 97.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 62689
What city is ZIP code 62689 in?
ZIP code 62689 is primarily assigned to Thayer, Illinois.
What county is ZIP code 62689 in?
ZIP code 62689 falls within Sangamon County, Illinois.
Is ZIP code 62689 mostly owner-occupied?
97% of occupied units in ZIP code 62689 are owner-occupied, well above the national average.
Does ZIP code 62689 have a large veteran population?
13% of civilians in ZIP code 62689 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 62689?
The median home value in ZIP code 62689 is $84,700.
What is the population of ZIP code 62689?
ZIP code 62689 has an estimated population of 557 residents, with a density of 486 people per square mile.
What timezone is ZIP code 62689 in?
ZIP code 62689 observes the CST timezone.
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