61051 ZIP Code — Milledgeville, IL

Carroll County, Illinois

ZIP code 61051 is located in Milledgeville, Illinois, within Carroll County. It covers approximately 50.68 square miles and serves a population of 1,549 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 815.

About ZIP code 61051

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 $95,900. Owner-occupancy is high at 80%, well above the national average.

Median household income is $62,232. 34% 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 21 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 61051 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

1,549

population

50.68

sq mi land

Standard

ZIP type

Central (CT)

timezone

61051 ZIP code map

Cities in ZIP code 61051

Below are the cities the US Postal Service accepts for ZIP code 61051. Using any city not on this list may result in mail delivery delays.

City	Status
Milledgeville	Preferred

Nearby ZIP codes

61014 Chadwick (6.5 mi) 61046 Lanark (8.5 mi) 61064 Polo (9.1 mi) 61081 Sterling (11.6 mi) 61078 Shannon (11.8 mi) 61030 Forreston (12.2 mi) 61053 Mount Carroll (14.4 mi) 61270 Morrison (15.7 mi) 61285 Thomson (15.8 mi) 61007 Baileyville (16.5 mi) 61054 Mount Morris (16.7 mi) 61021 Dixon (17.9 mi)

Demographics updated 05/2026

Population
Total population	1,549
Population density	31 / sq mi
State FIPS	17
County FIPS	015

Geography
Land area	50.68 sq mi
Water area	0.00 sq mi
Latitude	41.9917
Longitude	-89.7545
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	50.1%	46.4%	37.2%
$50k – $100k	26.2%	33.0%	29.6%
$100k – $200k	22.6%	18.1%	24.4%
Over $200k	1.1%	2.5%	8.8%

Demographics & statistics

1,549

Population

People per sq mi

40.4

Median age

$62,232

Median household income

$32,832

Per capita income

$95,900

Median home value

$681

Median monthly rent

80.4%

Home ownership

14.1%

Poverty rate

4.9%

Unemployment

546

Housing units

18.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

102

35–44

111

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	349	22.5%
18 and over	1,200	77.5%
65 and over	321	20.7%
Median age	40.4 years

Race & ethnicity

White 96.7%

Two or more races 2.2%

Hispanic or Latino 1%

Other race 0.1%

Black or African American 0.1%

Group	Count	%
White	1,512	96.7%
Two or more races	34	2.2%
Hispanic or Latino	15	1%
Other race	2	0.1%
Black or African American	1	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.1%	46.4%	37.2%
$50k – $100k	26.2%	33.0%	29.6%
$100k – $200k	22.6%	18.1%	24.4%
Over $200k	1.1%	2.5%	8.8%

Under $10k 2.7%

$10k–$15k 4.0%

$15k–$25k 6.4%

$25k–$35k 13.5%

$35k–$50k 10.2%

$50k–$75k 20.2%

$75k–$100k 20.9%

$100k–$150k 12.5%

$150k–$200k 5.9%

$200k+ 3.7%

Range	% of households
Under $10k	2.7%
$10k–$15k	4.0%
$15k–$25k	6.4%
$25k–$35k	13.5%
$35k–$50k	10.2%
$50k–$75k	20.2%
$75k–$100k	20.9%
$100k–$150k	12.5%
$150k–$200k	5.9%
$200k+	3.7%
Median income	$62,232

Housing

Home values

Under $50k 10.0%

$50k–$100k 44.3%

$100k–$150k 24.8%

$150k–$200k 3.8%

$200k–$300k 5.5%

$300k–$500k 9.8%

$500k–$1M 1.7%

Housing overview

Metric	Value
Median home value	$95,900
Median rent / month	$681
Owner occupied	80.4%
Renter occupied	19.6%
Vacant	2.7%
Single-family detached	92.3%
Large apartment buildings	0.0%
Mobile homes	0.4%
Median rooms	6.3
Avg household size (owned)	2.43

Year built

Era	%
2020 or later	0.0%
2010–2019	1.9%
2000–2009	0.9%
1990–1999	5.2%
1980–1989	4.9%
1970–1979	12.6%
1960–1969	8.6%
1950–1959	9.9%
1940–1949	11.1%
1939 or earlier	44.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	8.9%
2 bedrooms	21.8%
3 bedrooms	55.7%
4 bedrooms	10.7%
5+ bedrooms	3.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.7%
1 vehicle	35.5%
2 vehicles	44.9%
3 or more	16.9%

Heating fuel

Fuel type	%
Utility gas	61.5%
Electricity	16.6%
Propane / LP gas	20.9%
Wood	0.3%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	360	54.8%
Cohabiting couple	52	7.9%
Male householder, no spouse	134	20.4%
Female householder, no spouse	111	16.9%
Households with children under 18	171	26.0%
Households with seniors (65+)	213	32.4%
Average household size	2.34

Marital status

Status	Male	Female
Never married	34.5%	18.0%
Married	51.7%	64.3%
Separated	0.0%	0.0%
Widowed	2.1%	5.0%
Divorced	11.7%	12.7%

Education

Less than 9th grade 3.8%

Some HS, no diploma 2.8%

HS graduate 42.4%

Some college, no degree 22.3%

Associate's degree 10.5%

Bachelor's degree 13.2%

Graduate / professional 5.1%

Metric	%
HS diploma or higher	93.4%
Bachelor's or higher	18.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	34	10.5%
Kindergarten	40	12.3%
Elementary school	139	42.9%
High school	99	30.6%
College / grad school	12	3.7%

Employment

Industry of employment

Education & healthcare 20.1%

Manufacturing 19.6%

Agriculture & mining 13.3%

Other services 7.4%

Retail trade 7.2%

Construction 6.6%

Arts, food & hospitality 6.3%

Transportation & utilities 5.7%

Public administration 5.0%

Wholesale trade 4.4%

Professional & management 2.7%

Finance & real estate 1.3%

Information 0.4%

Occupation

Category	%
Management, business & arts	30.3%
Service	11.2%
Sales & office	17.7%
Natural resources & construction	13.4%
Production & transportation	27.4%

Employment type

Type	%
Private sector	77.9%
Government	13.0%
Self-employed	9.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	86.0%
Carpool	8.2%
Public transit	0.3%
Walk	1.7%
Work from home	2.2%
Other means	1.7%
Avg commute (minutes)	21.4

Poverty

All people 14.1%

Under 18 years 24.6%

18 and over 11.1%

Married-couple families 6.1%

Female-led households 31.0%

Income support

Source	% of households
Social Security	33.6%
Retirement income	25.1%
Supplemental Security	7.3%
Cash public assistance	2.9%
Food stamps / SNAP	9.4%

Health indicators

Condition	%
Obesity	36.0%
High blood pressure	33.9%
High cholesterol	35.0%
Diabetes	10.0%
Heart disease	7.0%
Stroke	3.1%
Asthma	9.4%
Arthritis	27.6%
Kidney disease	3.0%
Pulmonary disease	7.2%
Cancer	7.7%

Behavior / access	%
Smoking	17.2%
Binge drinking	15.4%
No physical activity	24.0%
Less than 7 hrs sleep	31.9%
Depression	17.2%
Fair or poor health	13.3%
Poor mental health	12.3%
Poor physical health	9.7%
No health insurance	9.7%
Visited doctor (checkup)	77.0%
Visited dentist	66.3%
Cholesterol screening	90.5%
Teeth loss	13.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	92	7.7%

Disability	%
Any disability	16.1%
Under 18	0.0%
18–64 years	13.0%
65 and over	42.4%

Health insurance coverage

Type	%
Private insurance	69.2%
Public insurance	38.1%
No insurance	4.1%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,477	95.4%
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)	1,547	99.9%
Born in same state	1,544	99.7%
Born in different state	1,386	89.5%
Foreign born	3	0.2%
Naturalized citizen	2	0.1%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	209	13.5%
French	108	7%
Italian	99	6.4%

Ancestry	Count	%
English	21	1.4%
Polish	9	0.6%

Technology access

Metric	% of households
Computer access	42.4%
Internet access	92.7%

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

Frequently asked questions about ZIP code 61051

What city is ZIP code 61051 in?

ZIP code 61051 is primarily assigned to Milledgeville, Illinois.

What county is ZIP code 61051 in?

ZIP code 61051 falls within Carroll County, Illinois.

Is ZIP code 61051 mostly owner-occupied?

80% of occupied units in ZIP code 61051 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 61051?

The median home value in ZIP code 61051 is $95,900.

What is the population of ZIP code 61051?

ZIP code 61051 has an estimated population of 1,549 residents, with a density of 31 people per square mile.

What is the median household income in ZIP code 61051?

The median household income in ZIP code 61051 is $62,232, below the national median of ~$75,000.

What timezone is ZIP code 61051 in?

ZIP code 61051 observes the CST timezone.