US ZIP Code
61277

Prophetstown, IL

Whiteside County  ·  Illinois

● Active
👥 2,983 Population ↓ 8% since 2019
💰 $72,837 Median HH Income
≈ Avg ↑ 12% since 2019
🎂 45.4 Median Age ↓ 5% since 2019
🏠 $134,000 Median Home Value
▼ 52% below avg ↑ 21% since 2019
🎓 31.3% College Grads
▼ 19% below avg
📊 5.4% Unemployment
▲ 10% above avg ↓ 2% since 2019
ZIP Code Details
ZIP Code61277
CityProphetstown
StateIllinois (IL)
CountyWhiteside County
Area Code815
Elevation619 ft
Latitude41.613582
Longitude-89.930578
TimezoneChicago (DST)
FIPS17195
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.2% (1,496) Female 49.9% (1,487) ♀

Race & Ethnicity

White: 91.9%Hispanic: 2.3%Black: 1.3%Asian: 1.3%Other: 3.1%Race
White91.9%
Hispanic2.3%
Black1.3%
Asian1.3%
Other3.1%

Age Breakdown

Under 5
5%
5–17
17%
18–24
9%
25–44
18%
45–64
27%
65+
11%

Key Indicators

Median Age45.4 yrs ↓ 5% since 2019
Avg Household Size2.56
Below Poverty7.2% ▼ 28% below avg
College Grads31.3% ▼ 19% below avg
Unemployment5.4% ▲ 10% above avg
No HS Diploma22 (1.2%)
HS Graduate745 (39.4%)
Some College336 (17.8%)
Associates195 (10.3%)
Bachelors267 (14.1%)
Graduate Degree324 (17.2%)

Education

No HS: 1.2%HS Grad: 39.4%Some College: 17.8%Associates: 10.3%Bachelors: 14.1%Graduate: 17.2%Edu
No HS1.2%
HS Grad39.4%
Some College17.8%
Associates10.3%
Bachelors14.1%
Graduate17.2%
Housing & Income

Housing Tenure

Owner: 77.6%Renter: 22.4%Tenure
Owner77.6%
Renter22.4%

Home Value Distribution

Under $50k
5%
$50k–100k
22%
$100k–150k
28%
$150k–200k
23%
$200k–300k
12%
$300k–500k
9%
Over $500k
1%

Financials

Median HH Income$72,837 ≈ Avg ↑ 12% since 2019
Median Home Value$134,000 ▼ 52% below avg ↑ 21% since 2019
Home/Income Ratio1.8x (nat avg ~3.5x)
Median Rent$735/mo ↑ 4% since 2019
Total Units1,325
Vacant Units224
Avg HH Size2.56

Income Distribution

Under $25k
12%
$25k–50k
14%
$50k–75k
23%
$75k–100k
9%
$100k–150k
24%
$150k–200k
8%
Over $200k
9%
Employment & Commute

How People Get to Work

Drove Alone
94%
Walked
2%
Work From Home
4%

Commute Time

Under 15 min
32%
15–30 min
28%
30–45 min
21%
Over 45 min
18%
Housing Stock

Year Built

Before 1940
6%
1940s–1950s
16%
1960s–1970s
12%
1980s–1990s
4%
2000+
62%

Summary

Total Units1,325
Vacant224
Owner Occupied77.6%
Renter Occupied22.4%
Avg HH Size2.56
Frequently Asked Questions
ZIP code 61277 is in Prophetstown, IL, in Whiteside County.
ZIP code 61277 is located in Illinois (IL).
ZIP code 61277 is in Whiteside County, IL.
ZIP 61277 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 61277 is 2,983 people (ACS 2023).
The median household income in ZIP code 61277 is $72,837 (ACS 2023).
The median home value in ZIP 61277 is $134,000 (ACS 2023).
About ZIP Code 61277

ZIP code 61277 is located in Prophetstown, Illinois, within Whiteside County. With a population of 2,983, this is a sparsely populated ZIP code with a mature community — the median age is 45.4 years. Economically, 61277 is a solidly middle-class ZIP code: the median household income of $72,837 is near the national average.

Real estate in ZIP code 61277 represents one of the more affordable housing markets in the country. The median home value of $134,000 is well below the national average. Renters can expect to pay around $735 per month in median rent. Homeownership is strong here — 77.6% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 21% since 2019.

The population of 61277 is primarily White (91.92%). Residents are moderately educated — 31.3% hold a bachelor's degree or higher, which is below the national average. Poverty affects a relatively small share of residents at 7.2%. Household income has grown by 12% since 2019.

The unemployment rate in 61277 stands at 5.4%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 85%.

Overall, ZIP code 61277 in Prophetstown, IL is characterized as solidly middle-class, moderately educated, a mature community, and predominantly owner-occupied. With 2,983 residents, a median household income of $72,837, and a median home value of $134,000, it offers a clear picture of life in this part of Illinois.