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Illinois ZIP Codes
Madison County
Saint Jacob, IL
62281
62281 ZIP Code — Saint Jacob, IL
Madison County, Illinois
ZIP code 62281 is located in
Saint Jacob ,
Illinois ,
within Madison County .
It covers approximately 33.35 square miles and serves a population of
2,811 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 618 .
About ZIP code 62281
The housing stock consists of predominantly single-family detached homes. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $256,300. Owner-occupancy is high at 92%, well above the national average.
Median household income is $98,651. The poverty rate of 3% 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 28 minutes is near the national average.
Educational attainment is near the national average, with 39% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.
Overall, ZIP code 62281 reflects a community defined by a strong veteran community and high homeownership.
62281 ZIP code map
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Cities in ZIP code 62281
Below are the cities the US Postal Service accepts for ZIP code 62281. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
2,811
Population density
84 / sq mi
State FIPS
17
County FIPS
119
Geography
Land area
33.35 sq mi
Water area
0.23 sq mi
Latitude
38.7089
Longitude
-89.7917
Timezone
Central (CT)
Area code
618
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
18.6%
38.9%
37.2%
$50k – $100k
29.3%
32.2%
29.6%
$100k – $200k
43.2%
23.6%
24.4%
Over $200k
8.9%
5.3%
8.8%
Demographics & statistics
$98,651
Median household income
$256,300
Median home value
$1,340
Median monthly rent
38.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 815 29.0%
18 and over 1,996 71.0%
65 and over 257 9.1%
Median age 37.5 years
Race & ethnicity
Group Count %
White 2,736 96.2%
Two or more races 69 2.4%
Hispanic or Latino 34 1.2%
Asian 5 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
18.6%
38.9%
37.2%
$50k – $100k
29.3%
32.2%
29.6%
$100k – $200k
43.2%
23.6%
24.4%
Over $200k
8.9%
5.3%
8.8%
Range % of households
Under $10k 2.3%
$10k–$15k 0.7%
$15k–$25k 2.7%
$25k–$35k 4.6%
$35k–$50k 8.0%
$50k–$75k 13.2%
$75k–$100k 20.3%
$100k–$150k 19.7%
$150k–$200k 16.1%
$200k+ 12.3%
Median income $98,651
Housing
Housing overview
Metric Value
Median home value $256,300
Median rent / month $1,340
Owner occupied 91.9%
Renter occupied 8.1%
Vacant 6.9%
Single-family detached 96.3%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 6.6
Avg household size (owned) 2.65
Year built
Era %
2020 or later 0.0%
2010–2019 31.4%
2000–2009 18.0%
1990–1999 12.5%
1980–1989 8.1%
1970–1979 9.4%
1960–1969 1.6%
1950–1959 4.3%
1940–1949 1.3%
1939 or earlier 13.4%
Bedrooms
Size % of units
No bedroom (studio) 0.7%
1 bedroom 1.5%
2 bedrooms 6.9%
3 bedrooms 49.1%
4 bedrooms 33.6%
5+ bedrooms 8.2%
Vehicles per household
Vehicles % of households
No vehicle 1.3%
1 vehicle 20.0%
2 vehicles 47.1%
3 or more 31.6%
Heating fuel
Fuel type %
Utility gas 41.7%
Electricity 23.5%
Propane / LP gas 32.0%
Wood 2.8%
Households & families
Household type Count %
Married-couple family 716 67.0%
Cohabiting couple 25 2.3%
Male householder, no spouse 121 11.3%
Female householder, no spouse 207 19.4%
Households with children under 18 439 41.1%
Households with seniors (65+) 178 16.7%
Average household size 2.63
Marital status
Status Male Female
Never married 16.2% 17.2%
Married 72.2% 62.9%
Separated 0.2% 0.0%
Widowed 3.5% 8.7%
Divorced 7.9% 11.2%
Education
Some college, no degree
22.3%
Graduate / professional
20.9%
Metric %
HS diploma or higher 96.0%
Bachelor's or higher 38.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 127 18.8%
Kindergarten 33 4.9%
Elementary school 234 34.7%
High school 176 26.1%
College / grad school 104 15.4%
Employment
Industry of employment
Education & healthcare
29.9%
Transportation & utilities
9.3%
Public administration
9.0%
Professional & management
7.9%
Arts, food & hospitality
6.9%
Finance & real estate
4.5%
Occupation
Category %
Management, business & arts 49.7%
Service 8.7%
Sales & office 17.3%
Natural resources & construction 10.8%
Production & transportation 13.4%
Employment type
Type %
Private sector 72.2%
Government 19.2%
Self-employed 8.6%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 93.3%
Carpool 3.3%
Public transit 0.2%
Walk 0.0%
Work from home 3.2%
Other means 0.0%
Avg commute (minutes) 28.0
Poverty
Married-couple families
0.0%
Female-led households
10.6%
Income support
Source % of households
Social Security 23.6%
Retirement income 24.8%
Supplemental Security 1.8%
Cash public assistance 1.9%
Food stamps / SNAP 4.7%
Health indicators
Condition %
Obesity 36.5%
High blood pressure 28.5%
High cholesterol 31.3%
Diabetes 7.6%
Heart disease 4.8%
Stroke 2.1%
Asthma 9.1%
Arthritis 23.2%
Kidney disease 2.2%
Pulmonary disease 5.1%
Cancer 6.2%
Behavior / access %
Smoking 15.6%
Binge drinking 17.5%
No physical activity 19.0%
Less than 7 hrs sleep 31.3%
Depression 17.7%
Fair or poor health 9.8%
Poor mental health 12.0%
Poor physical health 7.7%
No health insurance 8.2%
Visited doctor (checkup) 75.5%
Visited dentist 74.1%
Cholesterol screening 90.8%
Teeth loss 9.6%
Veterans & disability
Veterans Count %
Civilian veterans 245 12.5%
Disability %
Any disability 11.5%
Under 18 4.2%
18–64 years 14.1%
65 and over 17.1%
Health insurance coverage
Type %
Private insurance 88.9%
Public insurance 20.6%
No insurance 2.3%
Uninsured under 19 0.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 2,466 87.7%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 2,809 99.9%
Born in same state 2,776 98.8%
Born in different state 1,811 64.4%
Foreign born 33 1.2%
Naturalized citizen 2 0.1%
Not a US citizen 2 100.0%
Ancestry
Ancestry Count %
Italian 311 11.1%
French 270 9.6%
English 78 2.8%
Ancestry Count %
Polish 45 1.6%
Arab 37 1.3%
Norwegian 2 0.1%
Technology access
Metric % of households
Computer access 38.0%
Internet access 93.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 62281
What city is ZIP code 62281 in?
ZIP code 62281 is primarily assigned to Saint Jacob, Illinois.
What county is ZIP code 62281 in?
ZIP code 62281 falls within Madison County, Illinois.
Is ZIP code 62281 mostly owner-occupied?
92% of occupied units in ZIP code 62281 are owner-occupied, well above the national average.
Does ZIP code 62281 have a large veteran population?
13% of civilians in ZIP code 62281 are veterans, above the national average of ~7%.
What is the population of ZIP code 62281?
ZIP code 62281 has an estimated population of 2,811 residents, with a density of 84 people per square mile.
What is the median household income in ZIP code 62281?
The median household income in ZIP code 62281 is $98,651, above the national median of ~$75,000.
What timezone is ZIP code 62281 in?
ZIP code 62281 observes the CST timezone.
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