61811 ZIP Code — Alvin, IL

Vermilion County, Illinois

ZIP code 61811 is located in Alvin, Illinois, within Vermilion County. It covers approximately 26.54 square miles and serves a population of 595 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 217.

About ZIP code 61811

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 $127,500. Owner-occupancy is high at 78%, well above the national average.

Median household income is $65,673. 40% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.

College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 61811 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

595

population

26.54

sq mi land

Standard

ZIP type

Central (CT)

timezone

61811 ZIP code map

Cities in ZIP code 61811

Below are the cities the US Postal Service accepts for ZIP code 61811. Using any city not on this list may result in mail delivery delays.

City	Status
Alvin	Preferred

Nearby ZIP codes

60963 Rossville (5 mi) 61814 Bismarck (5.2 mi) 47991 West Lebanon (9 mi) 61831 Collison (11 mi) 47993 Williamsport (11.2 mi) 61832 Danville (11.4 mi) 61865 Potomac (11.5 mi) 61834 Danville (11.9 mi) 61858 Oakwood (13.9 mi) 61833 Tilton (14.1 mi) 61812 Armstrong (14.7 mi) 60942 Hoopeston (14.8 mi)

Demographics updated 05/2026

Population
Total population	595
Population density	22 / sq mi
State FIPS	17
County FIPS	183

Geography
Land area	26.54 sq mi
Water area	0.00 sq mi
Latitude	40.3003
Longitude	-87.6147
Timezone	Central (CT)
Area code	217

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	47.4%	52.8%	37.2%
$50k – $100k	38.8%	29.7%	29.6%
$100k – $200k	13.8%	15.4%	24.4%
Over $200k	0.0%	2.1%	8.8%

Demographics & statistics

595

Population

People per sq mi

50.0

Median age

$65,673

Median household income

$30,677

Per capita income

$127,500

Median home value

$815

Median monthly rent

78.1%

Home ownership

8.6%

Poverty rate

0.0%

Unemployment

239

Housing units

11.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	74	12.4%
18 and over	521	87.6%
65 and over	181	30.4%
Median age	50.0 years

Race & ethnicity

White 94.5%

Two or more races 5.2%

Asian 0.3%

Group	Count	%
White	562	94.5%
Two or more races	31	5.2%
Asian	2	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	47.4%	52.8%	37.2%
$50k – $100k	38.8%	29.7%	29.6%
$100k – $200k	13.8%	15.4%	24.4%
Over $200k	0.0%	2.1%	8.8%

Under $10k 3.8%

$10k–$15k 4.5%

$15k–$25k 5.3%

$25k–$35k 8.7%

$35k–$50k 12.8%

$50k–$75k 24.9%

$75k–$100k 16.6%

$100k–$150k 20.0%

$150k–$200k 3.4%

Range	% of households
Under $10k	3.8%
$10k–$15k	4.5%
$15k–$25k	5.3%
$25k–$35k	8.7%
$35k–$50k	12.8%
$50k–$75k	24.9%
$75k–$100k	16.6%
$100k–$150k	20.0%
$150k–$200k	3.4%
Median income	$65,673

Housing

Home values

Under $50k 2.9%

$50k–$100k 25.1%

$100k–$150k 28.5%

$150k–$200k 31.9%

$200k–$300k 8.2%

$300k–$500k 3.4%

Housing overview

Metric	Value
Median home value	$127,500
Median rent / month	$815
Owner occupied	78.1%
Renter occupied	21.9%
Vacant	10.8%
Single-family detached	86.9%
Large apartment buildings	0.0%
Mobile homes	0.7%
Median rooms	5.9
Avg household size (owned)	2.33

Year built

Era	%
2020 or later	0.0%
2010–2019	1.0%
2000–2009	4.7%
1990–1999	10.1%
1980–1989	19.9%
1970–1979	16.2%
1960–1969	13.5%
1950–1959	3.0%
1940–1949	5.1%
1939 or earlier	26.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	25.9%
3 bedrooms	60.3%
4 bedrooms	12.8%
5+ bedrooms	1.0%

Vehicles per household

Vehicles	% of households
No vehicle	7.2%
1 vehicle	29.1%
2 vehicles	33.6%
3 or more	30.2%

Heating fuel

Fuel type	%
Utility gas	25.3%
Electricity	41.5%
Propane / LP gas	30.2%
Wood	2.6%

Households & families

Household type	Count	%
Married-couple family	138	52.1%
Cohabiting couple	13	4.9%
Male householder, no spouse	76	28.7%
Female householder, no spouse	38	14.3%
Households with children under 18	37	14.0%
Households with seniors (65+)	116	43.8%
Average household size	2.25

Marital status

Status	Male	Female
Never married	24.4%	25.0%
Married	53.1%	54.2%
Separated	13.5%	0.0%
Widowed	1.5%	9.8%
Divorced	7.6%	11.0%

Education

Less than 9th grade 0.2%

Some HS, no diploma 4.4%

HS graduate 50.8%

Some college, no degree 17.3%

Associate's degree 16.2%

Bachelor's degree 7.4%

Graduate / professional 3.7%

Metric	%
HS diploma or higher	95.4%
Bachelor's or higher	11.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	1	1.0%
Kindergarten	0	0.0%
Elementary school	21	21.9%
High school	52	54.2%
College / grad school	22	22.9%

Employment

Industry of employment

Education & healthcare 18.7%

Retail trade 17.7%

Agriculture & mining 11.0%

Construction 11.0%

Finance & real estate 9.0%

Wholesale trade 8.4%

Transportation & utilities 8.4%

Manufacturing 5.4%

Other services 5.4%

Professional & management 1.7%

Information 1.3%

Public administration 1.3%

Arts, food & hospitality 0.7%

Occupation

Category	%
Management, business & arts	23.1%
Service	6.7%
Sales & office	29.8%
Natural resources & construction	20.7%
Production & transportation	19.7%

Employment type

Type	%
Private sector	82.3%
Government	7.7%
Self-employed	10.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	85.0%
Carpool	1.1%
Public transit	0.0%
Walk	4.3%
Work from home	9.6%
Other means	0.0%
Avg commute (minutes)	19.4

Poverty

All people 8.6%

Under 18 years 10.8%

18 and over 8.3%

Married-couple families 0.0%

Female-led households 33.3%

Income support

Source	% of households
Social Security	39.6%
Retirement income	32.1%
Supplemental Security	3.4%
Cash public assistance	1.9%
Food stamps / SNAP	4.2%

Health indicators

Condition	%
Obesity	34.0%
High blood pressure	32.8%
High cholesterol	34.9%
Diabetes	9.5%
Heart disease	6.5%
Stroke	3.0%
Asthma	9.7%
Arthritis	26.4%
Kidney disease	2.7%
Pulmonary disease	7.2%
Cancer	6.5%

Behavior / access	%
Smoking	19.6%
Binge drinking	15.6%
No physical activity	24.4%
Less than 7 hrs sleep	32.8%
Depression	18.9%
Fair or poor health	13.8%
Poor mental health	13.3%
Poor physical health	9.9%
No health insurance	10.4%
Visited doctor (checkup)	76.3%
Visited dentist	64.1%
Cholesterol screening	89.0%
Teeth loss	14.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	55	10.6%

Disability	%
Any disability	16.3%
Under 18	0.0%
18–64 years	10.3%
65 and over	34.3%

Health insurance coverage

Type	%
Private insurance	79.5%
Public insurance	40.3%
No insurance	3.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	573	96.3%
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)	593	99.7%
Born in same state	590	99.2%
Born in different state	504	84.7%
Foreign born	3	0.5%
Naturalized citizen	2	0.3%
Not a US citizen	2	100.0%

Ancestry

Ancestry	Count	%
French	76	12.8%
Italian	75	12.6%
Arab	66	11.1%

Ancestry	Count	%
English	18	3%
Norwegian	4	0.7%
Polish	3	0.5%

Technology access

Metric	% of households
Computer access	44.5%
Internet access	85.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 61811

What city is ZIP code 61811 in?

ZIP code 61811 is primarily assigned to Alvin, Illinois.

What county is ZIP code 61811 in?

ZIP code 61811 falls within Vermilion County, Illinois.

Does ZIP code 61811 have an older population?

30% of residents in ZIP code 61811 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 61811?

11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 61811 have a large retiree population?

40% of households in ZIP code 61811 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 61811 have a large veteran population?

11% of civilians in ZIP code 61811 are veterans, above the national average of ~7%.

What timezone is ZIP code 61811 in?

ZIP code 61811 observes the CST timezone.