61877 ZIP Code — Sidney, IL

Champaign County, Illinois

ZIP code 61877 is located in Sidney, Illinois, within Champaign County. It covers approximately 29.03 square miles and serves a population of 1,185 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 217.

About ZIP code 61877

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 $187,500. Owner-occupancy is high at 86%, well above the national average.

Median household income is $90,156. The poverty rate of 4% is below the national average. 36% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.

Overall, ZIP code 61877 reflects a community defined by high homeownership and a significant Social Security-dependent population.

1,185
population
29.03
sq mi land
Standard
ZIP type
Central (CT)
timezone
61877 ZIP code map
Cities in ZIP code 61877

Below are the cities the US Postal Service accepts for ZIP code 61877. Using any city not on this list may result in mail delivery delays.

City Status
Sidney Preferred
Nearby ZIP codes
61864 Philo (4 mi) 61849 Homer (6 mi) 61816 Broadlands (6.7 mi) 61852 Longview (6.8 mi) 61802 Urbana (9.2 mi) 61874 Savoy (9.2 mi) 61880 Tolono (9.5 mi) 61956 Villa Grove (10.1 mi) 61801 Urbana (10.3 mi) 61810 Allerton (10.6 mi) 61873 Saint Joseph (10.7 mi) 61820 Champaign (11.6 mi)
Demographics updated 05/2026
Population
Total population 1,185
Population density 41 / sq mi
State FIPS 17
County FIPS 019
Geography
Land area 29.03 sq mi
Water area 0.10 sq mi
Latitude 39.9954
Longitude -88.0855
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 23.8% 46.9% 37.2%
$50k – $100k 41.3% 27.3% 29.6%
$100k – $200k 32.0% 19.9% 24.4%
Over $200k 2.9% 5.9% 8.8%

Demographics & statistics

1,185
Population
41
People per sq mi
40.8
Median age
$90,156
Median household income
$44,306
Per capita income
$187,500
Median home value
$1,131
Median monthly rent
85.9%
Home ownership
4.0%
Poverty rate
6.2%
Unemployment
445
Housing units
24.6%
Bachelor's or higher

Age distribution

Male Female
46
Under 5
46
32
5–9
31
35
10–14
34
19
15–19
18
32
20–24
31
82
25–34
81
80
35–44
79
58
45–54
58
41
55–59
40
44
60–64
44
58
65–74
57
48
75–84
47
22
85+
22
← Male
Female →

Age summary

GroupCount%
Under 1825421.4%
18 and over93178.6%
65 and over25421.4%
Median age40.8 years

Race & ethnicity

White 97.8%
Two or more races 1.7%
Hispanic or Latino 0.3%
Asian 0.2%
GroupCount%
White1,16397.8%
Two or more races201.7%
Hispanic or Latino40.3%
Asian20.2%

Household income

Income range This ZIP County avg State avg
Under $50k 23.8% 46.9% 37.2%
$50k – $100k 41.3% 27.3% 29.6%
$100k – $200k 32.0% 19.9% 24.4%
Over $200k 2.9% 5.9% 8.8%
Under $10k 1.6%
$10k–$15k 0.4%
$15k–$25k 3.7%
$25k–$35k 3.3%
$35k–$50k 11.7%
$50k–$75k 14.1%
$75k–$100k 23.8%
$100k–$150k 21.1%
$150k–$200k 13.1%
$200k+ 7.2%
Range% of households
Under $10k1.6%
$10k–$15k0.4%
$15k–$25k3.7%
$25k–$35k3.3%
$35k–$50k11.7%
$50k–$75k14.1%
$75k–$100k23.8%
$100k–$150k21.1%
$150k–$200k13.1%
$200k+7.2%
Median income$90,156

Housing

Home values

Under $50k 1.2%
$50k–$100k 11.0%
$100k–$150k 12.4%
$150k–$200k 32.9%
$200k–$300k 31.7%
$300k–$500k 7.4%
$500k–$1M 3.3%

Housing overview

MetricValue
Median home value$187,500
Median rent / month$1,131
Owner occupied85.9%
Renter occupied14.1%
Vacant5.1%
Single-family detached93.6%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms6.4
Avg household size (owned)2.38

Year built

Era%
2020 or later0.0%
2010–20192.9%
2000–200912.5%
1990–19995.1%
1980–198911.7%
1970–19799.5%
1960–196915.8%
1950–195915.0%
1940–19493.1%
1939 or earlier24.5%

Bedrooms

Size% of units
No bedroom (studio)1.8%
1 bedroom0.4%
2 bedrooms20.2%
3 bedrooms56.6%
4 bedrooms16.5%
5+ bedrooms4.5%

Vehicles per household

Vehicles% of households
No vehicle1.8%
1 vehicle23.2%
2 vehicles50.6%
3 or more24.4%

Heating fuel

Fuel type%
Utility gas68.6%
Electricity21.3%
Propane / LP gas9.4%

Households & families

Household typeCount%
Married-couple family29059.4%
Cohabiting couple377.6%
Male householder, no spouse6212.7%
Female householder, no spouse9920.3%
Households with children under 1813427.5%
Households with seniors (65+)18337.5%
Average household size2.43

Marital status

StatusMaleFemale
Never married22.8%17.3%
Married65.1%65.1%
Separated0.0%0.0%
Widowed1.5%8.6%
Divorced10.6%9.0%

Education

Less than 9th grade 1.5%
Some HS, no diploma 2.6%
HS graduate 29.8%
Some college, no degree 26.0%
Associate's degree 15.4%
Bachelor's degree 13.6%
Graduate / professional 11.0%
Metric%
HS diploma or higher95.9%
Bachelor's or higher24.6%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool4218.0%
Kindergarten219.0%
Elementary school10344.2%
High school3314.2%
College / grad school3414.6%

Employment

Industry of employment

Education & healthcare 28.9%
Construction 14.4%
Professional & management 8.3%
Retail trade 7.9%
Agriculture & mining 6.1%
Finance & real estate 6.0%
Manufacturing 5.6%
Transportation & utilities 5.3%
Arts, food & hospitality 5.1%
Public administration 5.0%
Other services 3.8%
Wholesale trade 2.1%
Information 1.5%

Occupation

Category%
Management, business & arts38.0%
Service13.1%
Sales & office23.0%
Natural resources & construction18.0%
Production & transportation7.9%

Employment type

Type%
Private sector74.0%
Government20.0%
Self-employed6.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone85.7%
Carpool5.2%
Public transit0.0%
Walk1.5%
Work from home5.2%
Other means2.4%
Avg commute (minutes)27.1

Poverty

All people 4.0%
Under 18 years 4.9%
18 and over 3.8%
Married-couple families 1.0%
Female-led households 6.7%

Income support

Source% of households
Social Security35.7%
Retirement income35.7%
Supplemental Security0.8%
Cash public assistance5.3%
Food stamps / SNAP5.1%

Health indicators

Condition%
Obesity29.9%
High blood pressure30.3%
High cholesterol31.7%
Diabetes8.8%
Heart disease5.8%
Stroke2.7%
Asthma9.3%
Arthritis25.8%
Kidney disease2.6%
Pulmonary disease6.3%
Cancer6.7%
Behavior / access%
Smoking17.0%
Binge drinking16.1%
No physical activity20.2%
Less than 7 hrs sleep31.2%
Depression17.6%
Fair or poor health11.7%
Poor mental health12.5%
Poor physical health8.9%
No health insurance9.0%
Visited doctor (checkup)77.1%
Visited dentist70.6%
Cholesterol screening90.4%
Teeth loss11.4%

Veterans & disability

VeteransCount%
Civilian veterans849.0%
Disability%
Any disability16.5%
Under 186.3%
18–64 years14.3%
65 and over32.7%

Health insurance coverage

Type%
Private insurance80.9%
Public insurance32.9%
No insurance3.4%
Uninsured under 191.9%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,09392.2%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,16298.1%
Born in same state1,15797.6%
Born in different state96781.6%
Foreign born50.4%
Naturalized citizen231.9%
Not a US citizen23100.0%

Ancestry

AncestryCount%
Italian18715.8%
French14612.3%
Arab534.5%
AncestryCount%
Polish141.2%
Irish131.1%
English30.3%

Technology access

Metric% of households
Computer access41.2%
Internet access98.6%

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

Frequently asked questions about ZIP code 61877

What city is ZIP code 61877 in?

ZIP code 61877 is primarily assigned to Sidney, Illinois.

What county is ZIP code 61877 in?

ZIP code 61877 falls within Champaign County, Illinois.

Is ZIP code 61877 mostly owner-occupied?

86% of occupied units in ZIP code 61877 are owner-occupied, well above the national average.

Does ZIP code 61877 have a large retiree population?

36% of households in ZIP code 61877 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 61877?

The median home value in ZIP code 61877 is $187,500.

What is the population of ZIP code 61877?

ZIP code 61877 has an estimated population of 1,185 residents, with a density of 41 people per square mile.

What timezone is ZIP code 61877 in?

ZIP code 61877 observes the CST timezone.

Need the complete ZIP code database? Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →