Postal Codes

61865 ZIP Code

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ZIP code 61865 covers Potomac, Illinois, with a population of about 1,161 and a median household income of $71,827.

Population
1,16115 per square mile
Median age
42.13.4 points above the US average
Median household income
$71,82712% below the Illinois median
Poverty rate
6.5%5.9 points below the US average
Typical home value
$145,636up 25.8% in five years
Median rent
$76538% below the Illinois median
Degree or higher
17.2%17.8 points below the US average
Homeownership
87.6%22.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
17

Where 61865 is

Potomac, Illinois — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,161
Median age42.1
Family households70.2%
Born outside the US1.2%
Speaks a language other than English at home0.2%
White (non-Hispanic)90.8%
Black (non-Hispanic)1.2%
Asian (non-Hispanic)0%
Hispanic or Latino6%
Veterans9.1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$71,827
Income per person$37,108
Poverty rate6.5%
Households on SNAP or cash assistance7.4%

Household income distribution

Under $10k1.5%
$10–15k2.8%
$15–20k1.7%
$20–25k3.7%
$25–30k8.7%
$30–35k3.5%
$35–40k3.1%
$40–45k10.7%
$45–50k0.9%
$50–60k8.3%
$60–75k8.1%
$75–100k13.5%
$100–125k13.5%
$125–150k8.3%
$150–200k8.1%
$200k or more3.7%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed630
Mean adjusted gross income$65,427
Returns declaring $200,000 or more0%
Returns, under $25k23.8%
Returns, $25k–$50k25.4%
Returns, $50k–$75k19.0%
Returns, $75k–$100k12.7%
Returns, $100k–$200k19.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$101,900
Median gross rent$765
Rent as a share of household income23.2%
Owner-occupied87.6%
Vacant homes9.3%
Median year built1962

What the homes are

Detached house89.5%
Attached house0.6%
2 to 4 units3.2%
5 to 19 units1.6%
Mobile home5.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$145,636as of 2026-07
Typical home value, 1 yearup 5.1%
Typical home value, 5 yearsup 25.8%
Typical home value, 10 yearsup 47.9%
Typical home value since 2000
201520202026$145,636$90,803

$90,803 in 2015 to $145,636 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4%
Bachelor's degree or higher17.2%
High school diploma or higher94.9%
Works from home11.7%
Drives to work alone77%
Takes public transport0%
Commutes 45 minutes or more24%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity40.2% 6.8 pts above the national average of 33.4%
Diagnosed diabetes11.8% same as the national average of 12%
Currently smokes14.6% 1.4 pts above the national average of 13.2%
High blood pressure37.9% 3.8 pts above the national average of 34.1%
Fair or poor general health18.8% 1.5 pts below the national average of 20.3%
No health insurance (18–64)7.2% 4.1 pts below the national average of 11.3%
Depression23.6% 1.7 pts above the national average of 21.9%
No leisure-time physical activity24.1% 1.3 pts below the national average of 25.4%
Arthritis28.7% 3.6 pts above the national average of 25.1%
Binge drinking18.6% 2.6 pts above the national average of 16%
Taking blood pressure medication76.4% 1.7 pts above the national average of 74.7%
Cancer (non-skin)9.3% 1.6 pts above the national average of 7.7%
Current asthma10.6% same as the national average of 10.4%
Coronary heart disease7.1% 0.9 pts above the national average of 6.2%
Routine check-up in past year78.9% 2.2 pts above the national average of 76.7%
Cholesterol screening86.8% 0.9 pts above the national average of 85.9%
Cognitive disability13.9% 0.9 pts below the national average of 14.8%
Colorectal screening63.4% 0.9 pts below the national average of 64.3%
COPD8% 1.4 pts above the national average of 6.6%
Visited a dentist61.9% 0.6 pts above the national average of 61.3%
Any disability30.6% same as the national average of 30.7%
Lacks emotional support24.2% 0.6 pts below the national average of 24.8%
Food insecurity12.6% 4.5 pts below the national average of 17.1%
Received food stamps12.1% 2.2 pts below the national average of 14.3%
Hearing disability7.7% 1 pts above the national average of 6.7%
High cholesterol38.5% 2.3 pts above the national average of 36.2%
Housing insecurity10.3% 3.5 pts below the national average of 13.8%
Independent living disability8.3% same as the national average of 8.4%
Lacks transport7% 2.2 pts below the national average of 9.2%
Loneliness32.7% 1.7 pts below the national average of 34.4%
Mammography use71.3% 4.6 pts below the national average of 75.9%
Poor mental health (14+ days)17.6% 0.8 pts above the national average of 16.8%
Mobility disability14.1% same as the national average of 14%
Poor physical health (14+ days)13.9% same as the national average of 13.5%
Self-care disability3.6% same as the national average of 4%
Utility shut-off threat6.6% 2.2 pts below the national average of 8.8%
Sleeps under 7 hours34.3% 2.1 pts below the national average of 36.4%
Stroke3.6% same as the national average of 3.4%
All natural teeth lost14.7% 1.7 pts above the national average of 13%
Vision disability4.5% 1.1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments17
People employed62
Annual payroll$2,321,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 73.8% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss79.3 out of 100
Community resilience79.8 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought95.8Relatively Moderate at its worst in this ZIP code
Cold wave92.3Relatively High at its worst in this ZIP code
Winter weather90.9Relatively High at its worst in this ZIP code
Strong wind87.9Relatively High at its worst in this ZIP code
Landslide86.6Relatively Low at its worst in this ZIP code
Hail85.1Relatively Moderate at its worst in this ZIP code
River flooding81.3Relatively High at its worst in this ZIP code
Earthquake76.3Relatively Low at its worst in this ZIP code
Tornado72.8Relatively High at its worst in this ZIP code
Heat wave62.5Relatively Moderate at its worst in this ZIP code
Wildfire61.6Very Low at its worst in this ZIP code
Ice storm56.3Relatively Low at its worst in this ZIP code
Lightning52.5Relatively Moderate at its worst in this ZIP code
Hurricane48Very Low at its worst in this ZIP code
Compared with Illinois and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPIllinoisUnited States
Median household income$71,827$81,702$78,538
Income per person$37,108$45,104$43,289
Poverty rate6.5%11.7%12.4%
Median home value$101,900$250,500$303,400
Median gross rent$765$1,227$1,348
Homeownership87.6%66.8%65%
Bachelor's degree or higher17.2%37.2%35%
Unemployment rate4%5.8%5.2%
Works from home11.7%14%13.5%
Born outside the US1.2%14.4%13.9%
Median age42.138.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationHOOPESTON, IL US21.1 km away
Rain in a year41 in
Snow in a year20 in

Average high and low by month

January33.5°F / 18.3°F2.12 in rain, 6.5 in snow
February38.3°F / 21.7°F1.96 in rain, 5.2 in snow
March50.4°F / 30.9°F2.82 in rain, 2.2 in snow
April63.9°F / 41.3°F3.95 in rain, 0.4 in snow
May74.3°F / 52.5°F4.78 in rain
June82.7°F / 61.7°F4.89 in rain
July84.8°F / 64.5°F4.59 in rain
August83.4°F / 62.5°F3.96 in rain
September78.6°F / 55.2°F3.36 in rain
October65.6°F / 44.4°F3.43 in rain, 0.1 in snow
November50.4°F / 33.2°F2.91 in rain, 0.6 in snow
December38.1°F / 23.9°F2.12 in rain, 5.3 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 4 school districts, so the address decides which one, not the ZIP code.

Potomac Community Unit School District 1040.5% of this ZIP code's land area
Armstrong-Ellis Consolidated School District 6123.8% of this ZIP code's land area
Armstrong Township High School District 22523.8% of this ZIP code's land area
Bismarck-Henning Consolidated Unit School District11% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability29more vulnerable than 29% of US census tracts
Socioeconomic status28more vulnerable than 28% of US census tracts
Household characteristics56more vulnerable than 56% of US census tracts
Racial and ethnic minority status16more vulnerable than 16% of US census tracts
Housing type and transport33more vulnerable than 33% of US census tracts
Walkability4.8 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

61831 Collison, IL10 km away
61848 Henning, IL10.4 km away
61862 Penfield, IL11.3 km away
61812 Armstrong, IL11.8 km away
60963 Rossville, IL14.3 km away
60932 East Lynn, IL17.2 km away
60960 Rankin, IL17.2 km away
61847 Gifford, IL17.7 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Vermilion County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area79.71 sq mi
Water area0.02 sq mi
Population density15 people per sq mi
Latitude, longitude40.3090, -87.8232

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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