61039 ZIP Code — German Valley, IL
Stephenson County, Illinois
ZIP code 61039 is located in German Valley, Illinois, within Stephenson County. It covers approximately 28.64 square miles and serves a population of 829 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 815.
About ZIP code 61039
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $140,300. Owner-occupancy is high at 79%, well above the national average.
Median household income is $84,167.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.
Educational attainment is near the national average, with 38% of residents holding a bachelor's degree or higher.
829
population
28.64
sq mi land
Standard
ZIP type
Central (CT)
timezone
61039 ZIP code map
Cities in ZIP code 61039
Below are the cities the US Postal Service accepts for ZIP code 61039. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| German Valley | Preferred |
Nearby ZIP codes
61047 Leaf River (4.3 mi)
61007 Baileyville (6.5 mi)
61067 Ridott (6.8 mi)
61030 Forreston (8.8 mi)
61063 Pecatonica (10.1 mi)
61054 Mount Morris (10.6 mi)
61010 Byron (11.5 mi)
61032 Freeport (11.9 mi)
61088 Winnebago (12.4 mi)
61070 Rock City (14.8 mi)
61061 Oregon (15 mi)
61078 Shannon (15.1 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 829 |
| Population density | 29 / sq mi |
| State FIPS | 17 |
| County FIPS | 177 |
| Geography | |
|---|---|
| Land area | 28.64 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 42.2045 |
| Longitude | -89.4640 |
| Timezone | Central (CT) |
| Area code | 815 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 31.5% | 48.9% | 37.2% |
| $50k – $100k | 48.9% | 31.3% | 29.6% |
| $100k – $200k | 17.4% | 17.0% | 24.4% |
| Over $200k | 2.1% | 2.7% | 8.8% |
Demographics & statistics
829
Population
29
People per sq mi
36.4
Median age
$84,167
Median household income
$33,731
Per capita income
$140,300
Median home value
$741
Median monthly rent
78.7%
Home ownership
10.0%
Poverty rate
3.2%
Unemployment
259
Housing units
37.8%
Bachelor's or higher
Age distribution
Male
Female
33
Under 5
28
37
5–9
30
46
10–14
37
25
15–19
20
21
20–24
18
51
25–34
41
100
35–44
82
48
45–54
40
17
55–59
14
18
60–64
14
48
65–74
40
8
75–84
7
3
85+
3
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 249 | 30.0% |
| 18 and over | 580 | 70.0% |
| 65 and over | 109 | 13.1% |
| Median age | 36.4 years | |
Race & ethnicity
White
99.9%
Two or more races
0.1%
| Group | Count | % |
|---|---|---|
| White | 828 | 99.9% |
| Two or more races | 1 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 31.5% | 48.9% | 37.2% |
| $50k – $100k | 48.9% | 31.3% | 29.6% |
| $100k – $200k | 17.4% | 17.0% | 24.4% |
| Over $200k | 2.1% | 2.7% | 8.8% |
Under $10k
2.0%
$10k–$15k
2.3%
$15k–$25k
8.0%
$25k–$35k
2.7%
$35k–$50k
9.3%
$50k–$75k
20.3%
$75k–$100k
18.3%
$100k–$150k
24.7%
$150k–$200k
0.3%
$200k+
12.0%
| Range | % of households |
|---|---|
| Under $10k | 2.0% |
| $10k–$15k | 2.3% |
| $15k–$25k | 8.0% |
| $25k–$35k | 2.7% |
| $35k–$50k | 9.3% |
| $50k–$75k | 20.3% |
| $75k–$100k | 18.3% |
| $100k–$150k | 24.7% |
| $150k–$200k | 0.3% |
| $200k+ | 12.0% |
| Median income | $84,167 |
Housing
Home values
Under $50k
1.3%
$50k–$100k
25.8%
$100k–$150k
28.0%
$150k–$200k
8.1%
$200k–$300k
16.1%
$300k–$500k
20.8%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $140,300 |
| Median rent / month | $741 |
| Owner occupied | 78.7% |
| Renter occupied | 21.3% |
| Vacant | 7.1% |
| Single-family detached | 92.3% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 7.2 |
| Avg household size (owned) | 2.76 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.3% |
| 2000–2009 | 8.7% |
| 1990–1999 | 8.0% |
| 1980–1989 | 9.6% |
| 1970–1979 | 33.1% |
| 1960–1969 | 4.3% |
| 1950–1959 | 8.0% |
| 1940–1949 | 1.2% |
| 1939 or earlier | 26.6% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 5.3% |
| 2 bedrooms | 8.0% |
| 3 bedrooms | 55.7% |
| 4 bedrooms | 28.8% |
| 5+ bedrooms | 2.2% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.7% |
| 1 vehicle | 19.7% |
| 2 vehicles | 48.0% |
| 3 or more | 31.7% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 46.0% |
| Electricity | 17.3% |
| Propane / LP gas | 36.3% |
| Fuel oil | 0.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 204 | 68.0% |
| Cohabiting couple | 19 | 6.3% |
| Male householder, no spouse | 28 | 9.3% |
| Female householder, no spouse | 49 | 16.3% |
| Households with children under 18 | 99 | 33.0% |
| Households with seniors (65+) | 66 | 22.0% |
| Average household size | 2.76 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 29.9% | 12.2% |
| Married | 64.7% | 72.1% |
| Separated | 0.0% | 0.7% |
| Widowed | 0.6% | 3.1% |
| Divorced | 4.8% | 11.8% |
Education
Less than 9th grade
0.4%
Some HS, no diploma
2.2%
HS graduate
23.8%
Some college, no degree
20.2%
Associate's degree
15.5%
Bachelor's degree
16.9%
Graduate / professional
21.0%
| Metric | % |
|---|---|
| HS diploma or higher | 97.4% |
| Bachelor's or higher | 37.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 48 | 20.0% |
| Kindergarten | 10 | 4.2% |
| Elementary school | 103 | 42.9% |
| High school | 63 | 26.3% |
| College / grad school | 16 | 6.7% |
Employment
Industry of employment
Education & healthcare
28.5%
Manufacturing
15.2%
Other services
14.0%
Professional & management
9.5%
Public administration
7.1%
Retail trade
6.2%
Agriculture & mining
3.6%
Construction
3.6%
Transportation & utilities
3.6%
Information
2.9%
Finance & real estate
2.9%
Arts, food & hospitality
2.6%
Wholesale trade
0.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 52.3% |
| Service | 17.1% |
| Sales & office | 8.6% |
| Natural resources & construction | 8.1% |
| Production & transportation | 14.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 69.8% |
| Government | 24.7% |
| Self-employed | 5.5% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 69.9% |
| Carpool | 3.1% |
| Public transit | 0.0% |
| Walk | 9.3% |
| Work from home | 17.5% |
| Other means | 0.2% |
| Avg commute (minutes) | 24.6 |
Poverty
All people
10.0%
Under 18 years
10.8%
18 and over
9.7%
Married-couple families
2.0%
Female-led households
60.6%
Income support
| Source | % of households |
|---|---|
| Social Security | 25.3% |
| Retirement income | 15.7% |
| Supplemental Security | 2.0% |
| Cash public assistance | 0.3% |
| Food stamps / SNAP | 3.3% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 35.2% |
| High blood pressure | 32.8% |
| High cholesterol | 34.3% |
| Diabetes | 9.7% |
| Heart disease | 6.5% |
| Stroke | 3.0% |
| Asthma | 9.8% |
| Arthritis | 27.0% |
| Kidney disease | 2.8% |
| Pulmonary disease | 7.3% |
| Cancer | 6.9% |
| Behavior / access | % |
|---|---|
| Smoking | 18.7% |
| Binge drinking | 15.8% |
| No physical activity | 23.8% |
| Less than 7 hrs sleep | 32.0% |
| Depression | 18.2% |
| Fair or poor health | 13.7% |
| Poor mental health | 12.9% |
| Poor physical health | 10.0% |
| No health insurance | 9.9% |
| Visited doctor (checkup) | 76.4% |
| Visited dentist | 66.1% |
| Cholesterol screening | 90.2% |
| Teeth loss | 13.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 10 | 1.7% |
| Disability | % |
|---|---|
| Any disability | 11.0% |
| Under 18 | 10.4% |
| 18–64 years | 7.4% |
| 65 and over | 27.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 71.7% |
| Public insurance | 35.6% |
| No insurance | 3.0% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 768 | 92.6% |
| Spanish | 0 | 0.0% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 828 | 99.9% |
| Born in same state | 828 | 99.9% |
| Born in different state | 658 | 79.4% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 1 | 0.1% |
| Not a US citizen | 1 | 100.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| English | 166 | 20% |
| Arab | 138 | 16.6% |
| Italian | 106 | 12.8% |
| French | 63 | 7.6% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 10 | 1.2% |
| Polish | 5 | 0.6% |
| Norwegian | 2 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 36.2% |
| Internet access | 98.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 61039
What city is ZIP code 61039 in?
ZIP code 61039 is primarily assigned to German Valley, Illinois.
What county is ZIP code 61039 in?
ZIP code 61039 falls within Stephenson County, Illinois.
What is the typical home value in ZIP code 61039?
The median home value in ZIP code 61039 is $140,300.
What is the population of ZIP code 61039?
ZIP code 61039 has an estimated population of 829 residents, with a density of 29 people per square mile.
What is the median household income in ZIP code 61039?
The median household income in ZIP code 61039 is $84,167, above the national median of ~$75,000.
What timezone is ZIP code 61039 in?
ZIP code 61039 observes the CST timezone.