Zip code 61031: Franklin Grove, Illinois

Q: What city is zip code 61031?

61031 is assigned to Franklin Grove, Illinois. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 61031 in?

61031 is mostly in Lee County, but it extends into 1 other county.

Q: What is the population of 61031?

About 1,492 people live in 61031, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 61031?

The median household income in 61031 is $75,446.

Q: What zip codes are near 61031?

The closest zip codes to 61031 are 61057, 61331, 61324, 61006, 61021.

Residential delivery areaLee CountyCentral Time

Population

1,492

Median household income

$75K

U.S. $81K

Median home value

$137K

U.S. $333K

Median rent

$823/mo

U.S. $1,413

Median age

49.9

U.S. 38.9

Land area

45 sq mi

33 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 61031

61031 is a rural zip code in Franklin Grove, Illinois (Lee County), covering 45 sq mi of land. About 1,492 people live here, or 33 per square mile. The median resident is 49.9 years old, compared with 38.9 nationally.

The median household earns $75,446 a year, close to the national median of $80,734. 8.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $136,700, or 1.8 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 77% of occupied homes are lived in by their owners, and renters pay a median of $823 a month.

28% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 30.8 minutes each way, and 7% of workers work from home. The most common jobs among working residents are in production and manufacturing; transportation and moving goods; and education.

How 61031 compares

Sorted from highest to lowest national percentile

Residents 65 and older28.9%
96th
U.S. 17.2% · IL 17%113th of 1,342 in IL
Median age49.9
95th
U.S. 38.9 · IL 39181st of 1,342 in IL
Veterans8.3%
80th
U.S. 6.2% · IL 4.8%368th of 1,342 in IL
Average commute30.8 min
78th
U.S. 26.4 min · IL 27.8 min318th of 1,317 in IL
Government workers18.3%
78th
U.S. 14.5% · IL 13.3%342nd of 1,340 in IL
Homeownership rate77.4%
72nd
U.S. 65.2% · IL 67.1%821st of 1,338 in IL
Median earnings per worker$51,893
61st
U.S. $49,666 · IL $51,895425th of 1,336 in IL
Housing vacancy6.9%
52nd
U.S. 10.1% · IL 7.7%809th of 1,338 in IL
Uninsured rate6.9%
51st
U.S. 8.4% · IL 6.9%343rd of 1,341 in IL
Tech workers2.8%
48th
U.S. 3.8% · IL 3.8%371st of 1,340 in IL
Median household income$75,446
44th
U.S. $80,734 · IL $83,390660th of 1,316 in IL
Bachelor's degree or higher28.2%
42nd
U.S. 35.7% · IL 37.8%419th of 1,340 in IL
Per capita income$35,828
37th
U.S. $44,673 · IL $46,406780th of 1,341 in IL
Poverty rate8.2%
33rd
U.S. 12.5% · IL 11.8%784th of 1,339 in IL
Self-employed workers8%
33rd
U.S. 10% · IL 8.8%785th of 1,340 in IL
Income inequality (Gini)0.401
22nd
U.S. 0.483 · IL 0.481712th of 1,336 in IL
Work from home6.9%
16th
U.S. 15.1% · IL 15.9%843rd of 1,339 in IL
Diversity index23.4
16th
U.S. 61.4 · IL 60.5557th of 1,342 in IL
Median gross rent$823
8th
U.S. $1,413 · IL $1,274802nd of 1,170 in IL
Foreign-born residents1.4%
8th
U.S. 14.1% · IL 14.7%687th of 1,342 in IL
Median home value$136,700
7th
U.S. $332,700 · IL $263,300772nd of 1,311 in IL
Residents under 1814.3%
7th
U.S. 22% · IL 21.8%1,203rd of 1,342 in IL
Population density33/sq mi
5th
U.S. 95/sq mi · IL 229/sq mi826th of 1,342 in IL
Broadband access79.9%
4th
WeaknessU.S. 91% · IL 90.8%1,157th of 1,338 in IL
Healthcare workers5.2%
4th
U.S. 9.7% · IL 9.5%1,172nd of 1,340 in IL
Population1,492
2nd
U.S. 334,922,499 · IL 12,694,798760th of 1,342 in IL
Rent-burdened renters17.8%
2nd
StrengthU.S. 51.1% · IL 47.9%1,093rd of 1,291 in IL
Unemployment rate0.8%
1st
StrengthU.S. 5.2% · IL 5.8%1,221st of 1,340 in IL

Measure	61031	Lee	IL	U.S.	National percentile	Rank in IL
Residents 65 and older	28.9%	21.3%	17%	17.2%	96th	113th of 1,342
Median age	49.9	43.1	39	38.9	95th	181st of 1,342
Veterans	8.3%	6.4%	4.8%	6.2%	80th	368th of 1,342
Average commute	30.8 min	24.6 min	27.8 min	26.4 min	78th	318th of 1,317
Government workers	18.3%	15.3%	13.3%	14.5%	78th	342nd of 1,340
Homeownership rate	77.4%	73.6%	67.1%	65.2%	72nd	821st of 1,338
Median earnings per worker	$51,893	$46,514	$51,895	$49,666	61st	425th of 1,336
Housing vacancy	6.9%	11.1%	7.7%	10.1%	52nd	809th of 1,338
Uninsured rate	6.9%	3.8%	6.9%	8.4%	51st	343rd of 1,341
Tech workers	2.8%	0.8%	3.8%	3.8%	48th	371st of 1,340
Median household income	$75,446	$70,292	$83,390	$80,734	44th	660th of 1,316
Bachelor's degree or higher	28.2%	19.4%	37.8%	35.7%	42nd	419th of 1,340
Per capita income	$35,828	$35,945	$46,406	$44,673	37th	780th of 1,341
Poverty rate	8.2%	11.8%	11.8%	12.5%	33rd	784th of 1,339
Self-employed workers	8%	8.5%	8.8%	10%	33rd	785th of 1,340
Income inequality (Gini)	0.401	0.435	0.481	0.483	22nd	712th of 1,336
Work from home	6.9%	5.5%	15.9%	15.1%	16th	843rd of 1,339
Diversity index	23.4	29.5	60.5	61.4	16th	557th of 1,342
Median gross rent	$823	$894	$1,274	$1,413	8th	802nd of 1,170
Foreign-born residents	1.4%	2.2%	14.7%	14.1%	8th	687th of 1,342
Median home value	$136,700	$154,600	$263,300	$332,700	7th	772nd of 1,311
Residents under 18	14.3%	19.6%	21.8%	22%	7th	1,203rd of 1,342
Population density	33/sq mi	47/sq mi	229/sq mi	95/sq mi	5th	826th of 1,342
Broadband accessWeakness	79.9%	87.4%	90.8%	91%	4th	1,157th of 1,338
Healthcare workers	5.2%	11.8%	9.5%	9.7%	4th	1,172nd of 1,340
Population	1,492	33,869	12,694,798	334,922,499	2nd	760th of 1,342
Rent-burdened rentersStrength	17.8%	42.3%	47.9%	51.1%	2nd	1,093rd of 1,291
Unemployment rateStrength	0.8%	5.2%	5.8%	5.2%	1st	1,221st of 1,340

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

12%

5–17

18–24

25–34

14%

35–44

13%

45–54

13%

55–64

14%

65–74

15%

75+

Median age

49.9

Under 18

14.3%

65 and over

28.9%

Race and ethnicity

White87%
Black0.5%
Hispanic9%
Asian0.2%
Native American0%
Pacific Islander0%
Other0%
Multiracial4%

Diversity index

23.4

U.S. 61.4

Foreign-born

1.4%

U.S. 14.1%

Born in state

78.2%

Language spoken at home (households)

English only

95%

Spanish

Other Indo-European

Asian / Pacific

0.5%

Other

Households

Households: 607
Average household size: 2.3
Family households: 68.9%
Married couples: 43.5%
Living alone: 27.3%
Veterans (of adults): 8.3%
Male / female: 48% / 52%

Income and poverty

Household income distribution

<$25k

13%

$25–50k

20%

$50–75k

16%

$75–100k

13%

$100–150k

21%

$150–200k

11%

$200k+

Median household income

61031

$75,446

Lee Co.

$70,292

Illinois

$83,390

United States

$80,734

Per capita income

$35,828

U.S. $44,673

Poverty rate

8.2%

U.S. 12.5%

Households earning $150K+

15.7%

U.S. 23%

Income inequality (Gini)

0.401

U.S. 0.483

Housing

Median home value

61031

$136,700

Lee Co.

$154,600

Illinois

$263,300

United States

$332,700

Median gross rent

61031

$823

Lee Co.

$894

Illinois

$1,274

United States

$1,413

Types of housing

Single-family

77%

2–4 units

5–19 units

20+ units

Mobile home

10%

Boat, RV, van

Housing units: 652
Owner-occupied: 77.4%
Vacant: 6.9%
Median year built: 1960
Median rooms: 5.7
Renters paying 30%+ of income: 17.8%
Renters paying 50%+ of income: 15.5%
Home value to income: 1.8× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

78%

Carpooled

10%

Transit

0.8%

Walked

0.5%

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

22%

10–19

19%

20–29

26%

30–44

14%

45–59

60+

11%

Average commute

30.8 min

U.S. 26.4 min

Unemployment

0.8%

U.S. 5.2%

In labor force

49.5%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Production

15%

Transportation and moving

13%

Education

12%

Office and admin

10%

Construction and repair

Management

Healthcare

Sales

Police and fire

Engineering and science

Computer and math

Business and finance

Legal and social services

Food service

Cleaning and personal care

Arts, media and sports

Farming, fishing and forestry

Industries

Manufacturing

26%

Education

13%

Health care and social assistance

11%

Retail

11%

Construction

Restaurants and hotels

Public administration

Transportation, warehousing and utilities

Agriculture and mining

Professional and technical services

Wholesale

Finance, insurance and real estate

Admin, support and management

Other services

0.9%

Information

0.2%

Arts and recreation

Median earnings per worker

$51,893

U.S. $49,666

Self-employed

U.S. 10%

Government workers

18.3%

U.S. 14.5%

Nonprofit workers

7.7%

U.S. 8.8%

Median earnings by type of work

Type of work	61031	U.S.
Management, business, science and arts	$65,517	$74,888
Service	$60,833	$26,804
Sales and office	$31,422	$40,476
Construction and maintenance	$65,134	$49,199
Production and transportation	$51,411	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

42%

Some college

14%

Associate's

Bachelor's

20%

Graduate

High school graduate or higher: 93.3%
Bachelor's degree or higher: 28.2%
Graduate or professional degree: 8.1%
Households with broadband: 79.9%
Cable, fiber or DSL: 55.2%
No internet access: 11.2%
Without health insurance: 6.9%
Limited-English households: 1%

Geography

City (USPS): Franklin Grove
State: Illinois
County: Lee County
Center point: 41.8300° N, 89.3213° W
Land area: 45 sq mi
Water area: under 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

61031 spans 2 counties

Lee County95% of land
Ogle County5% of land

Cities and towns within this zip

Franklin Grove1% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 61031

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
61057	Nachusa, IL	3.2 mi	30	—	—
61331	Lee Center, IL	6.1 mi	0	—	—
61324	Eldena, IL	6.3 mi	97	—	—
61006	Ashton, IL	6.5 mi	1,541	$75,938	$155,500
61021	Dixon, IL	8 mi	22,308	$69,127	$148,500
61310	Amboy, IL	9 mi	3,347	$69,756	$165,800
61378	West Brooklyn, IL	11 mi	513	$85,350	$188,600
61061	Oregon, IL	12 mi	6,766	$87,829	$196,000
61091	Woosung, IL	13 mi	248	—	—
61015	Chana, IL	13 mi	901	$97,500	$193,200
60553	Steward, IL	15 mi	722	$109,375	$176,900
61367	Sublette, IL	15 mi	843	$60,824	$159,700

Zip codes like 61031 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 61031

What city is zip code 61031?

61031 is assigned to Franklin Grove, Illinois. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 61031 in?

61031 is mostly in Lee County, but it extends into 1 other county.

What is the population of 61031?

About 1,492 people live in 61031, according to the Census Bureau's American Community Survey.

What time zone is 61031 in?

61031 is in Central Time.

What is the median household income in 61031?

The median household income in 61031 is $75,446.

What zip codes are near 61031?

The closest zip codes to 61031 are 61057, 61331, 61324, 61006, 61021.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 61031, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.