Postal Codes

61360 ZIP Code

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ZIP code 61360 covers Seneca, Illinois, with a population of about 3,320 and a median household income of $94,137.

Population
3,32070 per square mile
Median age
41.83.1 points above the US average
Median household income
$94,1371.2× the Illinois median
Poverty rate
14.7%2.3 points above the US average
Typical home value
$235,532up 22.9% in five years
Median rent
$1,05714% below the Illinois median
Degree or higher
15.6%19.4 points below the US average
Homeownership
78%13 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
57

Where 61360 is

Seneca, 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

Population3,320
Median age41.8
Family households76.4%
Born outside the US1.4%
Speaks a language other than English at home1.8%
White (non-Hispanic)89.7%
Black (non-Hispanic)0.8%
Asian (non-Hispanic)0%
Hispanic or Latino4.5%
Veterans9.4%
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$94,137
Income per person$45,574
Poverty rate14.7%
Households on SNAP or cash assistance11.5%

Household income distribution

Under $10k1.1%
$10–15k1.3%
$15–20k0.5%
$20–25k2.5%
$25–30k2.5%
$30–35k2.9%
$35–40k2.2%
$40–45k3.4%
$45–50k2.4%
$50–60k4.9%
$60–75k14.8%
$75–100k15.6%
$100–125k10.7%
$125–150k7.3%
$150–200k9.6%
$200k or more18.3%

Income as declared to the IRS

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

Tax returns filed1,650
Mean adjusted gross income$79,208
Returns declaring $200,000 or more5.5%
Returns, under $25k26.1%
Returns, $25k–$50k20.6%
Returns, $50k–$75k14.5%
Returns, $75k–$100k11.5%
Returns, $100k–$200k21.8%
Returns, $200k or more5.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$240,800
Median gross rent$1,057
Rent as a share of household income22.9%
Owner-occupied78%
Vacant homes3.3%
Median year built1977

What the homes are

Detached house81.4%
Attached house3.2%
2 to 4 units6.2%
5 to 19 units2%
Mobile home7.1%
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$235,532as of 2026-07
Typical home value, 1 yearup 3.7%
Typical home value, 5 yearsup 22.9%
Typical home value, 10 yearsup 62.5%
Typical home value since 2000
200920172026$235,532$132,285

$149,404 in 2009 to $235,532 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.7%
Bachelor's degree or higher15.6%
High school diploma or higher95.8%
Works from home4.8%
Drives to work alone82.2%
Takes public transport0%
Commutes 45 minutes or more19.8%
Health

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

Obesity37.5% 4.1 pts above the national average of 33.4%
Diagnosed diabetes11.2% 0.8 pts below the national average of 12%
Currently smokes15.5% 2.3 pts above the national average of 13.2%
High blood pressure34.3% same as the national average of 34.1%
Fair or poor general health18.6% 1.7 pts below the national average of 20.3%
No health insurance (18–64)7.7% 3.6 pts below the national average of 11.3%
Depression23.6% 1.7 pts above the national average of 21.9%
No leisure-time physical activity23.3% 2.1 pts below the national average of 25.4%
Arthritis27.5% 2.4 pts above the national average of 25.1%
Binge drinking19.7% 3.7 pts above the national average of 16%
Taking blood pressure medication75.8% 1.1 pts above the national average of 74.7%
Cancer (non-skin)8.6% 0.9 pts above the national average of 7.7%
Current asthma10.6% same as the national average of 10.4%
Coronary heart disease6.5% same as the national average of 6.2%
Routine check-up in past year77.2% 0.5 pts above the national average of 76.7%
Cholesterol screening85.7% same as the national average of 85.9%
Cognitive disability14.2% 0.6 pts below the national average of 14.8%
Colorectal screening63.2% 1.1 pts below the national average of 64.3%
COPD7.7% 1.1 pts above the national average of 6.6%
Visited a dentist63.4% 2.1 pts above the national average of 61.3%
Any disability29.7% 1 pts below the national average of 30.7%
Lacks emotional support24.6% same as the national average of 24.8%
Food insecurity13.6% 3.5 pts below the national average of 17.1%
Received food stamps13% 1.3 pts below the national average of 14.3%
Hearing disability7% same as the national average of 6.7%
High cholesterol36.2% same as the national average of 36.2%
Housing insecurity11.1% 2.7 pts below the national average of 13.8%
Independent living disability8.3% same as the national average of 8.4%
Lacks transport7.3% 1.9 pts below the national average of 9.2%
Loneliness34% same as the national average of 34.4%
Mammography use72.7% 3.2 pts below the national average of 75.9%
Poor mental health (14+ days)18% 1.2 pts above the national average of 16.8%
Mobility disability13.4% 0.6 pts below the national average of 14%
Poor physical health (14+ days)13.7% same as the national average of 13.5%
Self-care disability3.6% same as the national average of 4%
Utility shut-off threat7.1% 1.7 pts below the national average of 8.8%
Sleeps under 7 hours35.5% 0.9 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost11.6% 1.4 pts below the national average of 13%
Vision disability4.5% 1.1 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments57
People employed465
Annual payroll$25,606,000
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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 87.6% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 6 census tracts this ZIP code covers
Expected annual loss90.6 out of 100
Community resilience87.9 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.

Cold wave97.7Very High at its worst in this ZIP code
Drought93.4Relatively Moderate at its worst in this ZIP code
River flooding93.3Very High at its worst in this ZIP code
Strong wind90Very High at its worst in this ZIP code
Landslide88.3Relatively Low at its worst in this ZIP code
Tornado81.7Very High at its worst in this ZIP code
Earthquake71.1Relatively Low at its worst in this ZIP code
Winter weather68.6Relatively Moderate at its worst in this ZIP code
Lightning67.7Relatively High at its worst in this ZIP code
Hail66.3Relatively Moderate at its worst in this ZIP code
Wildfire63.3Relatively Low at its worst in this ZIP code
Ice storm60.5Relatively Moderate at its worst in this ZIP code
Heat wave53.3Relatively Moderate at its worst in this ZIP code
Hurricane33.1Very 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$94,137$81,702$78,538
Income per person$45,574$45,104$43,289
Poverty rate14.7%11.7%12.4%
Median home value$240,800$250,500$303,400
Median gross rent$1,057$1,227$1,348
Homeownership78%66.8%65%
Bachelor's degree or higher15.6%37.2%35%
Unemployment rate2.7%5.8%5.2%
Works from home4.8%14%13.5%
Born outside the US1.4%14.4%13.9%
Median age41.838.938.7
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 stationMARSEILLES LOCK, IL US12.1 km away
Rain in a year39 in
Snow in a year25 in

Average high and low by month

January31.4°F / 14.2°F1.95 in rain, 8.4 in snow
February35.4°F / 17.2°F1.9 in rain, 7.3 in snow
March47.5°F / 27.2°F2.54 in rain, 2.9 in snow
April61.2°F / 37.3°F3.59 in rain, 0.3 in snow
May72.6°F / 48.5°F4.7 in rain
June81.1°F / 58.1°F4.92 in rain
July84°F / 61.9°F3.85 in rain
August82.4°F / 60.5°F4.09 in rain
September77.1°F / 52.9°F3.46 in rain
October64.1°F / 41.2°F3.2 in rain
November49.1°F / 30°F2.72 in rain, 0.8 in snow
December36.6°F / 20.5°F2.11 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 supermarket11% of this ZIP code's area
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 6 school districts, so the address decides which one, not the ZIP code.

Seneca Township High School District 16045.8% of this ZIP code's land area
Seneca Community Consolidated School District 17025.3% of this ZIP code's land area
Miller Township Community Consolidated School District17.3% of this ZIP code's land area
Nettle Creek Community Consolidated School District 24C5.8% of this ZIP code's land area
Serena CUSD 23.2% of this ZIP code's land area
Newark Community High School District 182.6% 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 vulnerability40more vulnerable than 40% of US census tracts
Socioeconomic status32more vulnerable than 32% of US census tracts
Household characteristics40more vulnerable than 40% of US census tracts
Racial and ethnic minority status21more vulnerable than 21% of US census tracts
Housing type and transport64more vulnerable than 64% of US census tracts
Walkability6.3 out of 20Below average
Nearby ZIP codes

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

61341 Marseilles, IL7.3 km away
60479 Verona, IL10.6 km away
60450 Morris, IL17.1 km away
60437 Kinsman, IL17.6 km away
60470 Ransom, IL18.3 km away
60444 Mazon, IL18.6 km away
61325 Grand Ridge, IL19.3 km away
60557 Wedron, IL19.3 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.

LaSalle County78.7% of this ZIP code's land area
Grundy County21.3% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area47.4 sq mi
Water area0.37 sq mi
Population density70 people per sq mi
Latitude, longitude41.3152, -88.6100

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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