61071 ZIP Code — Rock Falls, IL

Whiteside County, Illinois

ZIP code 61071 is located in Rock Falls, Illinois, within Whiteside County. It covers approximately 72.48 square miles and serves a population of 13,766 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 815.

About ZIP code 61071

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $102,700. Owner-occupancy sits near the national average at 74%.

Median household income is $55,478. SNAP benefit usage at 19% of households reflects economic stress in the area. 35% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 18 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 61071 reflects a community defined by a trades-oriented workforce, a significant Social Security-dependent population, and elevated reliance on food assistance.

13,766

population

72.48

sq mi land

Standard

ZIP type

Central (CT)

timezone

61071 ZIP code map

Cities in ZIP code 61071

Below are the cities the US Postal Service accepts for ZIP code 61071. Using any city not on this list may result in mail delivery delays.

City	Status
Rock Falls	Acceptable
Rock Falls	Preferred

Nearby ZIP codes

61243 Deer Grove (6.6 mi) 61081 Sterling (7.2 mi) 61042 Harmon (9.1 mi) 61283 Tampico (9.4 mi) 61261 Lyndon (10.3 mi) 61376 Walnut (12.3 mi) 61277 Prophetstown (13.9 mi) 61021 Dixon (14.2 mi) 61270 Morrison (14.7 mi) 61251 Fenton (17.6 mi) 61349 Ohio (18.7 mi) 61051 Milledgeville (18.8 mi)

Demographics updated 05/2026

Population
Total population	13,766
Population density	190 / sq mi
State FIPS	17
County FIPS	195

Geography
Land area	72.48 sq mi
Water area	1.88 sq mi
Latitude	41.7206
Longitude	-89.7224
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	48.3%	43.7%	37.2%
$50k – $100k	35.6%	32.3%	29.6%
$100k – $200k	14.2%	20.7%	24.4%
Over $200k	1.9%	3.3%	8.8%

Demographics & statistics

13,766

Population

190

People per sq mi

41.4

Median age

$55,478

Median household income

$33,004

Per capita income

$102,700

Median home value

$787

Median monthly rent

73.5%

Home ownership

16.3%

Poverty rate

4.3%

Unemployment

4,989

Housing units

16.8%

Bachelor's or higher

Age distribution

Male Female

436

Under 5

443

329

5–9

333

517

10–14

524

382

15–19

388

443

20–24

450

776

25–34

788

730

35–44

741

938

45–54

951

429

55–59

435

595

60–64

603

738

65–74

749

367

75–84

372

153

85+

156

← Male

Female →

Age summary

Group	Count	%
Under 18	3,133	22.8%
18 and over	10,633	77.2%
65 and over	2,535	18.4%
Median age	41.4 years

Race & ethnicity

White 79.2%

Hispanic or Latino 9.6%

Two or more races 7.7%

Other race 2.6%

Black or African American 0.5%

Asian 0.2%

American Indian / Alaska Native 0.2%

Group	Count	%
White	12,059	79.2%
Hispanic or Latino	1,459	9.6%
Two or more races	1,172	7.7%
Other race	398	2.6%
Black or African American	71	0.5%
Asian	36	0.2%
American Indian / Alaska Native	30	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	48.3%	43.7%	37.2%
$50k – $100k	35.6%	32.3%	29.6%
$100k – $200k	14.2%	20.7%	24.4%
Over $200k	1.9%	3.3%	8.8%

Under $10k 5.1%

$10k–$15k 4.9%

$15k–$25k 13.6%

$25k–$35k 7.3%

$35k–$50k 15.2%

$50k–$75k 17.1%

$75k–$100k 12.6%

$100k–$150k 16.1%

$150k–$200k 5.0%

$200k+ 3.1%

Range	% of households
Under $10k	5.1%
$10k–$15k	4.9%
$15k–$25k	13.6%
$25k–$35k	7.3%
$35k–$50k	15.2%
$50k–$75k	17.1%
$75k–$100k	12.6%
$100k–$150k	16.1%
$150k–$200k	5.0%
$200k+	3.1%
Median income	$55,478

Housing

Home values

Under $50k 10.6%

$50k–$100k 38.1%

$100k–$150k 19.9%

$150k–$200k 14.6%

$200k–$300k 12.1%

$300k–$500k 4.3%

$500k–$1M 0.2%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$102,700
Median rent / month	$787
Owner occupied	73.5%
Renter occupied	26.5%
Vacant	10.4%
Single-family detached	83.2%
Large apartment buildings	3.0%
Mobile homes	2.5%
Median rooms	5.6
Avg household size (owned)	2.34

Year built

Era	%
2020 or later	0.0%
2010–2019	1.8%
2000–2009	3.9%
1990–1999	7.0%
1980–1989	5.7%
1970–1979	19.6%
1960–1969	16.3%
1950–1959	16.9%
1940–1949	7.4%
1939 or earlier	21.3%

Bedrooms

Size	% of units
No bedroom (studio)	3.2%
1 bedroom	11.9%
2 bedrooms	21.4%
3 bedrooms	46.1%
4 bedrooms	16.0%
5+ bedrooms	1.5%

Vehicles per household

Vehicles	% of households
No vehicle	6.2%
1 vehicle	32.6%
2 vehicles	37.5%
3 or more	23.7%

Heating fuel

Fuel type	%
Utility gas	81.0%
Electricity	11.7%
Propane / LP gas	4.6%
Fuel oil	0.5%
Wood	0.1%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	2,366	40.3%
Cohabiting couple	535	9.1%
Male householder, no spouse	1,272	21.7%
Female householder, no spouse	1,692	28.8%
Households with children under 18	1,732	29.5%
Households with seniors (65+)	1,892	32.3%
Average household size	2.33

Marital status

Status	Male	Female
Never married	35.4%	25.8%
Married	47.0%	44.7%
Separated	1.5%	0.4%
Widowed	4.3%	9.3%
Divorced	11.7%	19.8%

Education

Less than 9th grade 3.5%

Some HS, no diploma 7.1%

HS graduate 38.4%

Some college, no degree 22.3%

Associate's degree 11.8%

Bachelor's degree 10.7%

Graduate / professional 6.0%

Metric	%
HS diploma or higher	89.4%
Bachelor's or higher	16.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	321	10.6%
Kindergarten	116	3.8%
Elementary school	1,318	43.4%
High school	722	23.8%
College / grad school	561	18.5%

Employment

Industry of employment

Education & healthcare 26.8%

Manufacturing 22.8%

Retail trade 12.5%

Arts, food & hospitality 6.7%

Transportation & utilities 6.3%

Construction 6.0%

Professional & management 5.1%

Other services 3.3%

Public administration 3.1%

Finance & real estate 2.7%

Wholesale trade 2.3%

Agriculture & mining 1.9%

Information 0.4%

Occupation

Category	%
Management, business & arts	29.0%
Service	18.5%
Sales & office	15.6%
Natural resources & construction	10.0%
Production & transportation	26.9%

Employment type

Type	%
Private sector	83.4%
Government	12.5%
Self-employed	4.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.1%
Carpool	8.7%
Public transit	0.7%
Walk	1.0%
Work from home	5.2%
Other means	0.3%
Avg commute (minutes)	18.4

Poverty

All people 16.3%

Under 18 years 30.3%

18 and over 12.2%

Married-couple families 2.8%

Female-led households 44.5%

Income support

Source	% of households
Social Security	35.4%
Retirement income	26.3%
Supplemental Security	4.6%
Cash public assistance	1.7%
Food stamps / SNAP	18.8%

Health indicators

Condition	%
Obesity	37.9%
High blood pressure	34.8%
High cholesterol	35.1%
Diabetes	11.1%
Heart disease	7.3%
Stroke	3.4%
Asthma	9.8%
Arthritis	29.4%
Kidney disease	3.1%
Pulmonary disease	8.1%
Cancer	7.2%

Behavior / access	%
Smoking	19.7%
Binge drinking	14.8%
No physical activity	26.8%
Less than 7 hrs sleep	33.2%
Depression	17.8%
Fair or poor health	16.0%
Poor mental health	13.3%
Poor physical health	11.0%
No health insurance	12.7%
Visited doctor (checkup)	77.4%
Visited dentist	60.5%
Cholesterol screening	89.4%
Teeth loss	15.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	962	9.0%

Disability	%
Any disability	13.4%
Under 18	1.9%
18–64 years	11.5%
65 and over	34.0%

Health insurance coverage

Type	%
Private insurance	64.1%
Public insurance	44.5%
No insurance	5.8%
Uninsured under 19	4.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	12,887	93.6%
Spanish	167	1.3%
Other Indo-European	138	1.1%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	13,391	97.3%
Born in same state	13,296	96.6%
Born in different state	11,635	84.5%
Foreign born	95	0.7%
Naturalized citizen	375	2.7%
Not a US citizen	196	52.3%

Ancestry

Ancestry	Count	%
Italian	2,331	16.9%
French	1,132	8.2%
Arab	798	5.8%
English	420	3.1%

Ancestry	Count	%
Polish	93	0.7%
Norwegian	43	0.3%
Dutch	35	0.3%
Irish	11	0.1%

Technology access

Metric	% of households
Computer access	42.6%
Internet access	91.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 61071

What city is ZIP code 61071 in?

ZIP code 61071 is primarily assigned to Rock Falls, Illinois.

What county is ZIP code 61071 in?

ZIP code 61071 falls within Whiteside County, Illinois.

What is the poverty rate in ZIP code 61071?

16% of residents in ZIP code 61071 live below the poverty line, above the national average.

What is the typical home value in ZIP code 61071?

The median home value in ZIP code 61071 is $102,700.

Does ZIP code 61071 have a large retiree population?

35% of households in ZIP code 61071 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 61071?

ZIP code 61071 has an estimated population of 13,766 residents, with a density of 190 people per square mile.

What timezone is ZIP code 61071 in?

ZIP code 61071 observes the CST timezone.