Postal Codes

61740 ZIP Code

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ZIP code 61740 covers Flanagan, Illinois, with a population of about 1,427 and a median household income of $79,479.

Population
1,42720 per square mile
Median age
41.22.5 points above the US average
Median household income
$79,479about the Illinois median
Poverty rate
7.9%4.5 points below the US average
Typical home value
$163,900up 49.3% in five years
Median rent
$83632% below the Illinois median
Degree or higher
21.1%13.9 points below the US average
Homeownership
87.4%22.4 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
28

Where 61740 is

Flanagan, 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

Population1,427
Median age41.2
Family households71.2%
Born outside the US1.7%
Speaks a language other than English at home2.3%
White (non-Hispanic)96.1%
Black (non-Hispanic)0.6%
Asian (non-Hispanic)0.6%
Hispanic or Latino1.6%
Veterans7.8%
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$79,479
Income per person$45,016
Poverty rate7.9%
Households on SNAP or cash assistance11.6%

Household income distribution

Under $10k6.2%
$10–15k2.9%
$15–20k4.3%
$20–25k1.7%
$25–30k0.9%
$30–35k2.9%
$35–40k2.9%
$40–45k4.1%
$45–50k2.6%
$50–60k7.6%
$60–75k5.4%
$75–100k23.5%
$100–125k7.8%
$125–150k7.8%
$150–200k8.1%
$200k or more11.2%

Income as declared to the IRS

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

Tax returns filed730
Mean adjusted gross income$82,474
Returns declaring $200,000 or more5.5%
Returns, under $25k24.7%
Returns, $25k–$50k21.9%
Returns, $50k–$75k15.1%
Returns, $75k–$100k12.3%
Returns, $100k–$200k20.5%
Returns, $200k or more5.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$130,200
Median gross rent$836
Rent as a share of household income31.9%
Owner-occupied87.4%
Vacant homes13.6%
Median year built1942

What the homes are

Detached house86.4%
Attached house9.7%
2 to 4 units3.4%
5 to 19 units0.4%
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$163,900as of 2026-07
Typical home value, 1 yearup 16%
Typical home value, 5 yearsup 49.3%
Typical home value, 10 yearsup 89.6%
Typical home value since 2000
200020132026$163,900$57,286

$57,286 in 2000 to $163,900 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.4%
Bachelor's degree or higher21.1%
High school diploma or higher95.9%
Works from home13.9%
Drives to work alone79.7%
Takes public transport0%
Commutes 45 minutes or more12.4%
Health

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

Obesity34.5% 1.1 pts above the national average of 33.4%
Diagnosed diabetes11.7% same as the national average of 12%
Currently smokes13.7% 0.5 pts above the national average of 13.2%
High blood pressure36.6% 2.5 pts above the national average of 34.1%
Fair or poor general health18.3% 2 pts below the national average of 20.3%
No health insurance (18–64)6.9% 4.4 pts below the national average of 11.3%
Depression22.2% same as the national average of 21.9%
No leisure-time physical activity23.5% 1.9 pts below the national average of 25.4%
Arthritis29.7% 4.6 pts above the national average of 25.1%
Binge drinking17.8% 1.8 pts above the national average of 16%
Taking blood pressure medication78.9% 4.2 pts above the national average of 74.7%
Cancer (non-skin)10.3% 2.6 pts above the national average of 7.7%
Current asthma10.5% same as the national average of 10.4%
Coronary heart disease7.3% 1.1 pts above the national average of 6.2%
Routine check-up in past year79.2% 2.5 pts above the national average of 76.7%
Cholesterol screening87.8% 1.9 pts above the national average of 85.9%
Cognitive disability13% 1.8 pts below the national average of 14.8%
Colorectal screening65.8% 1.5 pts above the national average of 64.3%
COPD8% 1.4 pts above the national average of 6.6%
Visited a dentist65.3% 4 pts above the national average of 61.3%
Any disability30.3% same as the national average of 30.7%
Lacks emotional support23.1% 1.7 pts below the national average of 24.8%
Food insecurity11.5% 5.6 pts below the national average of 17.1%
Received food stamps10.9% 3.4 pts below the national average of 14.3%
Hearing disability7.9% 1.2 pts above the national average of 6.7%
High cholesterol38.8% 2.6 pts above the national average of 36.2%
Housing insecurity9.3% 4.5 pts below the national average of 13.8%
Independent living disability8% same as the national average of 8.4%
Lacks transport6.3% 2.9 pts below the national average of 9.2%
Loneliness32.7% 1.7 pts below the national average of 34.4%
Mammography use73% 2.9 pts below the national average of 75.9%
Poor mental health (14+ days)16.5% same as the national average of 16.8%
Mobility disability14.4% same as the national average of 14%
Poor physical health (14+ days)13.7% same as the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Utility shut-off threat5.9% 2.9 pts below the national average of 8.8%
Sleeps under 7 hours33.7% 2.7 pts below the national average of 36.4%
Stroke3.7% same as the national average of 3.4%
All natural teeth lost11.2% 1.8 pts below the national average of 13%
Vision disability4.4% 1.2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments28
People employed278
Annual payroll$13,439,000
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 84.9% of US census tracts
FEMA ratingRelatively High
Expected annual loss84.3 out of 100
Community resilience84 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.

Drought97.5Relatively Moderate at its worst in this ZIP code
Strong wind95Relatively High at its worst in this ZIP code
Cold wave94.5Relatively High at its worst in this ZIP code
River flooding92.9Relatively High at its worst in this ZIP code
Lightning90.3Relatively High at its worst in this ZIP code
Landslide79.8Very Low at its worst in this ZIP code
Earthquake73.3Relatively Low at its worst in this ZIP code
Hail70.4Relatively Moderate at its worst in this ZIP code
Tornado66.3Relatively Moderate at its worst in this ZIP code
Winter weather66Relatively Moderate at its worst in this ZIP code
Ice storm51Relatively Low at its worst in this ZIP code
Heat wave47.3Relatively Low at its worst in this ZIP code
Hurricane39.4Very Low at its worst in this ZIP code
Wildfire39.2Very 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$79,479$81,702$78,538
Income per person$45,016$45,104$43,289
Poverty rate7.9%11.7%12.4%
Median home value$130,200$250,500$303,400
Median gross rent$836$1,227$1,348
Homeownership87.4%66.8%65%
Bachelor's degree or higher21.1%37.2%35%
Unemployment rate1.4%5.8%5.2%
Works from home13.9%14%13.5%
Born outside the US1.7%14.4%13.9%
Median age41.238.938.7
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 stationMINONK, IL US14.9 km away
Rain in a year38 in
Snow in a year22 in

Average high and low by month

January32.8°F / 15.2°F1.99 in rain, 5.9 in snow
February37.5°F / 18.8°F1.84 in rain, 5.2 in snow
March49.6°F / 28.6°F2.51 in rain, 3.2 in snow
April62.7°F / 38.8°F3.66 in rain, 0.8 in snow
May74.2°F / 50.8°F4.6 in rain
June83.1°F / 60.6°F3.98 in rain
July86.1°F / 63.9°F3.82 in rain
August84.3°F / 61.7°F3.48 in rain
September79°F / 53.7°F3.87 in rain
October66°F / 42°F3.08 in rain
November50.6°F / 31°F2.61 in rain, 1.1 in snow
December38.1°F / 21.1°F2.21 in rain, 5.5 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.

Flanagan-Cornell District 7490.7% of this ZIP code's land area
Fieldcrest Community Unit School District 64.1% of this ZIP code's land area
Cornell Community Consolidated School District 4262.1% of this ZIP code's land area
Flanagan-Cornell District 74 in Cornell2.1% 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 vulnerability31more vulnerable than 31% of US census tracts
Socioeconomic status20more vulnerable than 20% of US census tracts
Household characteristics66more vulnerable than 66% of US census tracts
Racial and ethnic minority status5more vulnerable than 5% of US census tracts
Housing type and transport47more vulnerable than 47% of US census tracts
Walkability4.7 out of 20Least walkable
Nearby ZIP codes

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

61743 Graymont, IL6.8 km away
61321 Dana, IL11.9 km away
61333 Long Point, IL12.4 km away
61760 Minonk, IL14.7 km away
61744 Gridley, IL15.1 km away
61311 Ancona, IL18.2 km away
61319 Cornell, IL18.7 km away
61358 Rutland, IL18.9 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.

Livingston County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area70.24 sq mi
Population density20 people per sq mi
Latitude, longitude40.8790, -88.8620

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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