62664 ZIP Code — Mason City, IL

Mason County, Illinois

ZIP code 62664 is located in Mason City, Illinois, within Mason County. It covers approximately 106.98 square miles and serves a population of 2,945 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 217.

About ZIP code 62664

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 $96,900. Owner-occupancy is high at 80%, well above the national average.

Median household income is $68,013. 38% 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 27 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Overall, ZIP code 62664 reflects a community defined by high homeownership and a significant Social Security-dependent population.

2,945

population

106.98

sq mi land

Standard

ZIP type

Central (CT)

timezone

62664 ZIP code map

Cities in ZIP code 62664

Below are the cities the US Postal Service accepts for ZIP code 62664. Using any city not on this list may result in mail delivery delays.

City	Status
Mason City	Acceptable
Mason City	Preferred

Nearby ZIP codes

62682 San Jose (5.3 mi) 62633 Easton (7.6 mi) 62642 Greenview (8.6 mi) 62671 New Holland (8.8 mi) 61532 Forest City (10.8 mi) 62666 Middletown (12.1 mi) 62635 Emden (13.5 mi) 62643 Hartsburg (13.6 mi) 62675 Petersburg (13.6 mi) 61534 Green Valley (13.8 mi) 62655 Kilbourne (15.1 mi) 62613 Athens (16 mi)

Demographics updated 05/2026

Population
Total population	2,945
Population density	28 / sq mi
State FIPS	17
County FIPS	125

Geography
Land area	106.98 sq mi
Water area	0.27 sq mi
Latitude	40.2058
Longitude	-89.7151
Timezone	Central (CT)
Area code	217

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	45.9%	47.7%	37.2%
$50k – $100k	26.8%	31.2%	29.6%
$100k – $200k	20.1%	17.5%	24.4%
Over $200k	7.2%	3.6%	8.8%

Demographics & statistics

2,945

Population

People per sq mi

46.2

Median age

$68,013

Median household income

$38,172

Per capita income

$96,900

Median home value

$696

Median monthly rent

79.5%

Home ownership

15.6%

Poverty rate

1.8%

Unemployment

1,155

Housing units

21.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

100

5–9

105

10–14

104

15–19

111

20–24

116

25–34

123

163

35–44

173

172

45–54

182

101

55–59

107

117

60–64

123

197

65–74

208

101

75–84

106

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	667	22.6%
18 and over	2,278	77.4%
65 and over	686	23.3%
Median age	46.2 years

Race & ethnicity

White 93.7%

Two or more races 2.3%

Hispanic or Latino 1.1%

Other race 1.1%

Black or African American 1%

Asian 0.7%

Group	Count	%
White	2,792	93.7%
Two or more races	70	2.3%
Hispanic or Latino	34	1.1%
Other race	34	1.1%
Black or African American	29	1%
Asian	20	0.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	45.9%	47.7%	37.2%
$50k – $100k	26.8%	31.2%	29.6%
$100k – $200k	20.1%	17.5%	24.4%
Over $200k	7.2%	3.6%	8.8%

Under $10k 3.0%

$10k–$15k 7.0%

$15k–$25k 7.9%

$25k–$35k 12.0%

$35k–$50k 11.3%

$50k–$75k 15.5%

$75k–$100k 15.5%

$100k–$150k 13.1%

$150k–$200k 7.3%

$200k+ 7.5%

Range	% of households
Under $10k	3.0%
$10k–$15k	7.0%
$15k–$25k	7.9%
$25k–$35k	12.0%
$35k–$50k	11.3%
$50k–$75k	15.5%
$75k–$100k	15.5%
$100k–$150k	13.1%
$150k–$200k	7.3%
$200k+	7.5%
Median income	$68,013

Housing

Home values

Under $50k 12.7%

$50k–$100k 41.1%

$100k–$150k 26.1%

$150k–$200k 11.4%

$200k–$300k 8.0%

$300k–$500k 0.7%

Housing overview

Metric	Value
Median home value	$96,900
Median rent / month	$696
Owner occupied	79.5%
Renter occupied	20.5%
Vacant	9.3%
Single-family detached	89.6%
Large apartment buildings	0.0%
Mobile homes	3.3%
Median rooms	6.4
Avg household size (owned)	2.31

Year built

Era	%
2020 or later	0.0%
2010–2019	2.9%
2000–2009	1.6%
1990–1999	7.1%
1980–1989	3.5%
1970–1979	16.1%
1960–1969	8.5%
1950–1959	12.7%
1940–1949	6.2%
1939 or earlier	41.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	6.1%
2 bedrooms	25.1%
3 bedrooms	48.2%
4 bedrooms	17.5%
5+ bedrooms	2.3%

Vehicles per household

Vehicles	% of households
No vehicle	5.4%
1 vehicle	31.2%
2 vehicles	35.3%
3 or more	28.1%

Heating fuel

Fuel type	%
Utility gas	64.1%
Electricity	21.5%
Propane / LP gas	14.0%

Households & families

Household type	Count	%
Married-couple family	619	48.1%
Cohabiting couple	85	6.6%
Male householder, no spouse	254	19.8%
Female householder, no spouse	328	25.5%
Households with children under 18	361	28.1%
Households with seniors (65+)	449	34.9%
Average household size	2.24

Marital status

Status	Male	Female
Never married	27.4%	22.7%
Married	54.6%	50.9%
Separated	4.1%	0.9%
Widowed	9.2%	10.9%
Divorced	4.6%	14.6%

Education

Less than 9th grade 4.1%

Some HS, no diploma 5.7%

HS graduate 35.1%

Some college, no degree 23.8%

Associate's degree 9.8%

Bachelor's degree 15.2%

Graduate / professional 6.3%

Metric	%
HS diploma or higher	90.3%
Bachelor's or higher	21.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	62	9.5%
Kindergarten	15	2.3%
Elementary school	332	51.0%
High school	163	25.0%
College / grad school	79	12.1%

Employment

Industry of employment

Education & healthcare 25.0%

Retail trade 11.8%

Manufacturing 11.1%

Transportation & utilities 9.2%

Finance & real estate 7.1%

Agriculture & mining 7.0%

Arts, food & hospitality 6.3%

Construction 5.9%

Wholesale trade 5.1%

Professional & management 5.0%

Other services 2.5%

Information 2.2%

Public administration 1.7%

Occupation

Category	%
Management, business & arts	37.4%
Service	16.2%
Sales & office	20.4%
Natural resources & construction	6.9%
Production & transportation	19.1%

Employment type

Type	%
Private sector	74.6%
Government	13.1%
Self-employed	11.7%
Unpaid family workers	0.6%

Commute

Method	%
Drive alone	76.5%
Carpool	9.5%
Public transit	0.9%
Walk	1.1%
Work from home	10.6%
Other means	1.4%
Avg commute (minutes)	26.9

Poverty

All people 15.6%

Under 18 years 15.6%

18 and over 15.6%

Married-couple families 3.4%

Female-led households 33.1%

Income support

Source	% of households
Social Security	38.0%
Retirement income	34.1%
Supplemental Security	4.4%
Cash public assistance	3.6%
Food stamps / SNAP	13.4%

Health indicators

Condition	%
Obesity	36.4%
High blood pressure	38.4%
High cholesterol	35.9%
Diabetes	11.7%
Heart disease	8.5%
Stroke	4.0%
Asthma	9.9%
Arthritis	32.2%
Kidney disease	3.6%
Pulmonary disease	9.2%
Cancer	8.4%

Behavior / access	%
Smoking	19.7%
Binge drinking	14.0%
No physical activity	28.6%
Less than 7 hrs sleep	31.3%
Depression	17.9%
Fair or poor health	17.1%
Poor mental health	12.9%
Poor physical health	11.8%
No health insurance	11.1%
Visited doctor (checkup)	78.5%
Visited dentist	61.0%
Cholesterol screening	90.1%
Teeth loss	17.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	127	5.6%

Disability	%
Any disability	17.0%
Under 18	10.3%
18–64 years	15.3%
65 and over	28.3%

Health insurance coverage

Type	%
Private insurance	71.8%
Public insurance	37.1%
No insurance	7.4%
Uninsured under 19	8.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,808	95.3%
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)	2,925	99.3%
Born in same state	2,925	99.3%
Born in different state	2,574	87.4%
Foreign born	0	0.0%
Naturalized citizen	20	0.7%
Not a US citizen	20	100.0%

Ancestry

Ancestry	Count	%
Italian	408	13.9%
French	394	13.4%
Arab	311	10.6%
Polish	29	1%

Ancestry	Count	%
English	24	0.8%
Norwegian	9	0.3%
Irish	8	0.3%

Technology access

Metric	% of households
Computer access	43.7%
Internet access	89.0%

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

Frequently asked questions about ZIP code 62664

What city is ZIP code 62664 in?

ZIP code 62664 is primarily assigned to Mason City, Illinois.

What county is ZIP code 62664 in?

ZIP code 62664 falls within Mason County, Illinois.

What is the poverty rate in ZIP code 62664?

16% of residents in ZIP code 62664 live below the poverty line, above the national average.

Does ZIP code 62664 have a large retiree population?

38% of households in ZIP code 62664 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 62664?

The median home value in ZIP code 62664 is $96,900.

What is the population of ZIP code 62664?

ZIP code 62664 has an estimated population of 2,945 residents, with a density of 28 people per square mile.

What timezone is ZIP code 62664 in?

ZIP code 62664 observes the CST timezone.