Postal Codes

61277 ZIP Code

Advertisement

English Español

ZIP code 61277 covers Prophetstown, Illinois, with a population of about 2,983 and a median household income of $72,837.

Population
2,98322 per square mile
Median age
45.46.7 points above the US average
Median household income
$72,83711% below the Illinois median
Poverty rate
7.6%4.8 points below the US average
Typical home value
$176,366up 29.2% in five years
Median rent
$73540% below the Illinois median
Degree or higher
15.9%19.1 points below the US average
Homeownership
77.6%12.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
61

Where 61277 is

Prophetstown, 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

Population2,983
Median age45.4
Family households60.6%
Born outside the US0.7%
Speaks a language other than English at home5.6%
White (non-Hispanic)91.9%
Black (non-Hispanic)1.3%
Asian (non-Hispanic)1.3%
Hispanic or Latino2.3%
Veterans9.6%
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$72,837
Income per person$40,747
Poverty rate7.6%
Households on SNAP or cash assistance8.8%

Household income distribution

Under $10k3.5%
$10–15k2.8%
$15–20k3.8%
$20–25k1.8%
$25–30k2.5%
$30–35k1.5%
$35–40k3.9%
$40–45k6.7%
$45–50k3.3%
$50–60k9.0%
$60–75k13.3%
$75–100k9.0%
$100–125k13.7%
$125–150k9.1%
$150–200k7.4%
$200k or more8.8%

Income as declared to the IRS

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

Tax returns filed1,500
Mean adjusted gross income$76,245
Returns declaring $200,000 or more5.3%
Returns, under $25k24.7%
Returns, $25k–$50k22.7%
Returns, $50k–$75k14.7%
Returns, $75k–$100k13.3%
Returns, $100k–$200k19.3%
Returns, $200k or more5.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$134,000
Median gross rent$735
Owner-occupied77.6%
Vacant homes16.9%
Median year built1954

What the homes are

Detached house88.2%
Attached house1.2%
2 to 4 units6.3%
5 to 19 units4.2%
20 or more units0.2%
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$176,366as of 2026-07
Typical home value, 1 yearup 7.3%
Typical home value, 5 yearsup 29.2%
Typical home value, 10 yearsup 47.5%
Typical home value since 2000
200920172026$176,366$110,018

$119,123 in 2009 to $176,366 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.4%
Bachelor's degree or higher15.9%
High school diploma or higher90.2%
Works from home3.8%
Drives to work alone85.4%
Takes public transport0%
Commutes 45 minutes or more18.4%
Health

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

Obesity35.4% 2 pts above the national average of 33.4%
Diagnosed diabetes12.5% 0.5 pts above the national average of 12%
Currently smokes14.6% 1.4 pts above the national average of 13.2%
High blood pressure37.6% 3.5 pts above the national average of 34.1%
Fair or poor general health19.4% 0.9 pts below the national average of 20.3%
No health insurance (18–64)7.3% 4 pts below the national average of 11.3%
Depression21.9% same as the national average of 21.9%
No leisure-time physical activity24.1% 1.3 pts below the national average of 25.4%
Arthritis30.9% 5.8 pts above the national average of 25.1%
Binge drinking17.6% 1.6 pts above the national average of 16%
Taking blood pressure medication79.3% 4.6 pts above the national average of 74.7%
Cancer (non-skin)10.4% 2.7 pts above the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease7.7% 1.5 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 screening87.9% 2 pts above the national average of 85.9%
Cognitive disability13.4% 1.4 pts below the national average of 14.8%
Colorectal screening66.6% 2.3 pts above the national average of 64.3%
COPD8.4% 1.8 pts above the national average of 6.6%
Visited a dentist65.4% 4.1 pts above the national average of 61.3%
Any disability31.3% 0.6 pts above the national average of 30.7%
Lacks emotional support24% 0.8 pts below the national average of 24.8%
Food insecurity12% 5.1 pts below the national average of 17.1%
Received food stamps11.3% 3 pts below the national average of 14.3%
Hearing disability8.3% 1.6 pts above the national average of 6.7%
High cholesterol39.5% 3.3 pts above the national average of 36.2%
Housing insecurity9.7% 4.1 pts below the national average of 13.8%
Independent living disability8.3% same as the national average of 8.4%
Lacks transport6.5% 2.7 pts below the national average of 9.2%
Loneliness31.7% 2.7 pts below the national average of 34.4%
Mammography use71.9% 4 pts below the national average of 75.9%
Poor mental health (14+ days)16.5% same as the national average of 16.8%
Mobility disability15% 1 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 disability3.7% same as the national average of 4%
Utility shut-off threat6.1% 2.7 pts below the national average of 8.8%
Sleeps under 7 hours34.2% 2.2 pts below the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost10% 3 pts below the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments61
People employed733
Annual payroll$31,651,000
Advertisement
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 60.9% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 4 census tracts this ZIP code covers
Expected annual loss62.3 out of 100
Community resilience74.7 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 High at its worst in this ZIP code
Strong wind92.1Very High at its worst in this ZIP code
Hail86.1Relatively High at its worst in this ZIP code
Landslide80.9Relatively Low at its worst in this ZIP code
Ice storm71Relatively Moderate at its worst in this ZIP code
Cold wave70.9Relatively High at its worst in this ZIP code
Tornado70.4Relatively High at its worst in this ZIP code
Winter weather69.6Relatively Moderate at its worst in this ZIP code
River flooding65.2Relatively Moderate at its worst in this ZIP code
Wildfire54.4Very Low at its worst in this ZIP code
Lightning53.5Relatively Moderate at its worst in this ZIP code
Earthquake50.3Relatively Low at its worst in this ZIP code
Heat wave37.7Relatively Moderate at its worst in this ZIP code
Hurricane32.4Very 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$72,837$81,702$78,538
Income per person$40,747$45,104$43,289
Poverty rate7.6%11.7%12.4%
Median home value$134,000$250,500$303,400
Median gross rent$735$1,227$1,348
Homeownership77.6%66.8%65%
Bachelor's degree or higher15.9%37.2%35%
Unemployment rate5.4%5.8%5.2%
Works from home3.8%14%13.5%
Born outside the US0.7%14.4%13.9%
Median age45.438.938.7
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 stationMORRISON, IL US18.2 km away
Rain in a year38 in
Snow in a year32 in

Average high and low by month

January28.9°F / 12°F1.51 in rain, 10.4 in snow
February33.6°F / 15.7°F1.65 in rain, 7.6 in snow
March46.2°F / 26.7°F2.53 in rain, 3.6 in snow
April59.5°F / 36.9°F3.84 in rain, 0.8 in snow
May70.8°F / 48.8°F4.73 in rain
June79.9°F / 58.6°F4.93 in rain
July83.1°F / 62°F4.16 in rain
August81.1°F / 59.7°F4.32 in rain
September75°F / 51.2°F3.35 in rain
October62.2°F / 39.4°F2.77 in rain, 0.1 in snow
November47.2°F / 28.4°F2.47 in rain, 2.7 in snow
December34.5°F / 18.3°F2.02 in rain, 6.3 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.

Prophetstown-Lyndon-Tampico Community Unit School District 362.1% of this ZIP code's land area
Annawan Community Unit School District 22618% of this ZIP code's land area
Geneseo Community Unit School District 22812.5% of this ZIP code's land area
Erie Community Unit School District 17.4% 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 vulnerability32more vulnerable than 32% of US census tracts
Socioeconomic status40more vulnerable than 40% of US census tracts
Household characteristics60more vulnerable than 60% of US census tracts
Racial and ethnic minority status13more vulnerable than 13% of US census tracts
Housing type and transport26more vulnerable than 26% 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.

61261 Lyndon, IL10.2 km away
61250 Erie, IL11.8 km away
61258 Hooppole, IL12.5 km away
61283 Tampico, IL12.8 km away
61251 Fenton, IL13.6 km away
61270 Morrison, IL20.7 km away
61243 Deer Grove, IL20.7 km away
61346 New Bedford, IL23 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.

Whiteside County59.9% of this ZIP code's land area
Henry County40.1% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area133.69 sq mi
Water area0.89 sq mi
Population density22 people per sq mi
Latitude, longitude41.6312, -89.9467

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.

Advertisement