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Prophetstown city, IL

ZIP Code 61277 — Prophetstown city, IL Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
2,983
Median Income
$72,837
-3% vs US avg
Home Value
$134,000
-62% vs US avg
Median Rent
$520
-55% vs US avg
Median Age
45.4 yrs
+17% vs US avg
Area Code
Congress
Top Ancestry
GermanIrishEnglish
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Location
Coordinates
41.6136, -89.9306
Elevation
632 ft
Land Area
126.5 sq mi
Water Area
0.9 sq mi (1% water)

At a glance

Population
2,983
Density
N/A
Median income
$72,837
-3% vs US avg
Home value
$134,000
-62% vs US avg
Median rent
$520
-55% vs US avg
Timezone

Overview of ZIP Code 61277

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What to know about ZIP 61277

ZIP code 61277 covers Prophetstown, IL in Whiteside County with a population of about 2,983.

At a glance, the area shows median age of 45.4 versus a U.S. median of about 38.9.

It sits in telephone area codes 779, 815; U.S. House district IL-17; the DAVENPORT - R. ISLAND - MOLINE media market.

Income and economy in Prophetstown, IL

Median household income in ZIP 61277 is about $72,837 — about 3% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.6%; unemployment rate near 5.4%; 15.9% of adults with a bachelor’s degree or higher (about 17.8 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Retail trade, Manufacturing, and Healthcare; about 3.8% of workers reporting work-from-home (about 11.4 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 61277

Median home value is about $134,000 — about 62% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $520 (about 55% below the U.S. median rent ($1,163)), and owner-occupancy near 77.6% (about 12.2 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 61277 in Prophetstown, IL, a household would need roughly $37,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $861. That sits below the local median household income ($72,837), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Prophetstown city, IL as Relatively Low (composite score 65.8), which is near the middle of the national distribution. The strongest component scores on US5 are flood (70.1) and hurricane (18.4). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Prophetstown city, IL show little to no average snow and around 38.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 166 for ZIP 61277 (Prophetstown city, IL) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport MLI (31.9 miles (51.4 km)) · Morrison Institute of Technology (12.8 miles (20.6 km)) · Herbert Hoover National Historic Site (73.5 miles (118.3 km)) · VA: Sterling VA Outpatient Clinic (17.0 miles (27.4 km))

Full lists and map pins are in the Infrastructure section below.