Postal Codes

61734 ZIP Code

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ZIP code 61734 covers Delavan, Illinois, with a population of about 2,500 and a median household income of $71,563.

Population
2,50033 per square mile
Median age
40.92.2 points above the US average
Median household income
$71,56312% below the Illinois median
Poverty rate
10%2.4 points below the US average
Typical home value
$158,948up 30.3% in five years
Median rent
$79036% below the Illinois median
Degree or higher
22.4%12.6 points below the US average
Homeownership
81.8%16.8 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
35

Where 61734 is

Delavan, 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

Population2,500
Median age40.9
Family households67.2%
Born outside the US0.5%
Speaks a language other than English at home0.8%
White (non-Hispanic)94.5%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.2%
Hispanic or Latino3%
Veterans12.3%
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$71,563
Income per person$33,401
Poverty rate10%
Households on SNAP or cash assistance10.5%

Household income distribution

Under $10k4.2%
$10–15k1.5%
$15–20k0.9%
$20–25k4.7%
$25–30k5.5%
$30–35k1.9%
$35–40k3.7%
$40–45k3.6%
$45–50k5.7%
$50–60k5.4%
$60–75k16.7%
$75–100k19.9%
$100–125k10.0%
$125–150k8.1%
$150–200k4.2%
$200k or more4.1%

Income as declared to the IRS

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

Tax returns filed1,210
Mean adjusted gross income$73,087
Returns declaring $200,000 or more4.1%
Returns, under $25k24.0%
Returns, $25k–$50k24.0%
Returns, $50k–$75k15.7%
Returns, $75k–$100k11.6%
Returns, $100k–$200k20.7%
Returns, $200k or more4.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$140,200
Median gross rent$790
Rent as a share of household income19.4%
Owner-occupied81.8%
Vacant homes13.2%
Median year built1955

What the homes are

Detached house91.3%
2 to 4 units7.9%
20 or more units0.4%
Mobile home0.5%
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$158,948as of 2026-07
Typical home value, 1 yearup 5.2%
Typical home value, 5 yearsup 30.3%
Typical home value, 10 yearsup 53.5%
Typical home value since 2000
200420152026$158,948$97,078

$113,893 in 2004 to $158,948 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.1%
Bachelor's degree or higher22.4%
High school diploma or higher93.2%
Works from home6.5%
Drives to work alone85.5%
Takes public transport0%
Commutes 45 minutes or more14.7%
Health

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

Obesity37.7% 4.3 pts above the national average of 33.4%
Diagnosed diabetes12.6% 0.6 pts above the national average of 12%
Currently smokes14.9% 1.7 pts above the national average of 13.2%
High blood pressure38.1% 4 pts above the national average of 34.1%
Fair or poor general health19.3% 1 pts below the national average of 20.3%
No health insurance (18–64)6.6% 4.7 pts below the national average of 11.3%
Depression23.5% 1.6 pts above the national average of 21.9%
No leisure-time physical activity24.1% 1.3 pts below the national average of 25.4%
Arthritis31.1% 6 pts above the national average of 25.1%
Binge drinking16.8% 0.8 pts above the national average of 16%
Taking blood pressure medication78.7% 4 pts above the national average of 74.7%
Cancer (non-skin)10.2% 2.5 pts above the national average of 7.7%
Current asthma10.7% same as the national average of 10.4%
Coronary heart disease7.6% 1.4 pts above the national average of 6.2%
Routine check-up in past year79.7% 3 pts above the national average of 76.7%
Cholesterol screening88.1% 2.2 pts above the national average of 85.9%
Cognitive disability13.2% 1.6 pts below the national average of 14.8%
Colorectal screening65.5% 1.2 pts above the national average of 64.3%
COPD8.6% 2 pts above the national average of 6.6%
Visited a dentist65.5% 4.2 pts above the national average of 61.3%
Any disability31.4% 0.7 pts above the national average of 30.7%
Lacks emotional support22.9% 1.9 pts below the national average of 24.8%
Food insecurity12.5% 4.6 pts below the national average of 17.1%
Received food stamps12.5% 1.8 pts below the national average of 14.3%
Hearing disability8.1% 1.4 pts above the national average of 6.7%
High cholesterol38.6% 2.4 pts above the national average of 36.2%
Housing insecurity10.1% 3.7 pts below the national average of 13.8%
Independent living disability8.5% same as the national average of 8.4%
Lacks transport6.8% 2.4 pts below the national average of 9.2%
Loneliness31.8% 2.6 pts below the national average of 34.4%
Mammography use72.1% 3.8 pts below the national average of 75.9%
Poor mental health (14+ days)16.6% same as the national average of 16.8%
Mobility disability15.2% 1.2 pts above the national average of 14%
Poor physical health (14+ days)14.2% 0.7 pts above the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat6.7% 2.1 pts below the national average of 8.8%
Sleeps under 7 hours35.9% 0.5 pts below the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost11.8% 1.2 pts below the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments35
People employed234
Annual payroll$7,042,000
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 87.9% of US census tracts
FEMA ratingRelatively High
Expected annual loss80.6 out of 100
Community resilience91.4 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.

Drought98.5Relatively High at its worst in this ZIP code
Cold wave96.5Very High at its worst in this ZIP code
Strong wind93.5Relatively High at its worst in this ZIP code
Tornado93Very High at its worst in this ZIP code
Landslide89.4Relatively Low at its worst in this ZIP code
Hail87.4Relatively Moderate at its worst in this ZIP code
River flooding87.4Relatively High at its worst in this ZIP code
Ice storm86.1Relatively Moderate at its worst in this ZIP code
Winter weather82.9Relatively High at its worst in this ZIP code
Heat wave81Relatively Moderate at its worst in this ZIP code
Earthquake76Relatively Low at its worst in this ZIP code
Lightning69.8Relatively Moderate at its worst in this ZIP code
Wildfire44.5Very Low at its worst in this ZIP code
Hurricane39.4Very 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$71,563$81,702$78,538
Income per person$33,401$45,104$43,289
Poverty rate10%11.7%12.4%
Median home value$140,200$250,500$303,400
Median gross rent$790$1,227$1,348
Homeownership81.8%66.8%65%
Bachelor's degree or higher22.4%37.2%35%
Unemployment rate6.1%5.8%5.2%
Works from home6.5%14%13.5%
Born outside the US0.5%14.4%13.9%
Median age40.938.938.7
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 stationMASON CITY 4SE, IL US24.9 km away
Rain in a year39 in
Snow in a year13 in

Average high and low by month

January33.1°F / 16.2°F2.34 in rain, 5.5 in snow
February37.9°F / 19.4°F1.96 in rain, 2.8 in snow
March50.6°F / 29.5°F2.49 in rain, 1.7 in snow
April64.3°F / 41.2°F3.73 in rain
May73.7°F / 52.8°F4.47 in rain
June82.4°F / 61.8°F4.2 in rain
July85.2°F / 64.6°F5.14 in rain
August83.5°F / 62.1°F3.57 in rain
September78.7°F / 53.9°F3.55 in rain
October65.8°F / 42.9°F3.33 in rain
November50.9°F / 30.5°F2.78 in rain, 0.3 in snow
December37.8°F / 21.7°F1.7 in rain, 2.6 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 5 school districts, so the address decides which one, not the ZIP code.

Delavan Community Unit School District 70376.6% of this ZIP code's land area
Olympia Community Unit School District 1611.4% of this ZIP code's land area
Midwest Central Community Unit School District 1915.9% of this ZIP code's land area
Illini Central Community Unit School District 1894.3% of this ZIP code's land area
Hartsburg-Emden Community Unit School District 211.8% 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 vulnerability22more vulnerable than 22% of US census tracts
Socioeconomic status29more vulnerable than 29% of US census tracts
Household characteristics39more vulnerable than 39% of US census tracts
Racial and ethnic minority status5more vulnerable than 5% of US census tracts
Housing type and transport28more vulnerable than 28% of US census tracts
Walkability5.4 out of 20Least walkable
Nearby ZIP codes

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

62635 Emden, IL9.5 km away
61747 Hopedale, IL11.4 km away
61534 Green Valley, IL11.8 km away
62682 San Jose, IL15.2 km away
62643 Hartsburg, IL15.4 km away
61568 Tremont, IL15.7 km away
61564 South Pekin, IL17.2 km away
61721 Armington, 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.

Tazewell County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area76.5 sq mi
Water area0.02 sq mi
Population density33 people per sq mi
Latitude, longitude40.3690, -89.5321

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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