Callao ZIP Code List — Macon County, MO

There is one unique ZIP code in Callao, Missouri and it is 63534. Area code: 660.

ZIP codes

74.06

sq mi land

2.43

sq mi water

660

area code

Callao, MO ZIP code map

About Callao, MO

Callao is a charming city located in Macon County, Missouri. Known for its friendly atmosphere and small-town charm, Callao offers a peaceful retreat in America's heartland. The city is a unique blend of rich history and modern living, making it an appealing place for residents and visitors alike.

Location & geography

Callao is situated in the north-central part of Missouri, surrounded by picturesque landscapes and fertile farmland. Nearby cities include Macon located approximately 11 miles to the southwest, La Plata about 18 miles to the east, Atlanta around 15 miles to the southeast, and Clarence roughly 19 miles to the northwest. The city spans a total land area of 74.06 square miles, with an additional water area of 2.43 square miles, contributing to its beautiful natural surroundings.

Community & economy

The character of Callao is marked by close-knit community bonds and a welcoming spirit, where neighbors know each other by name. The local economy is supported primarily by agriculture, light manufacturing, and small businesses that cater to both residents and visitors. Daily life in Callao embodies the simplicity and warmth of rural living, often highlighting community gatherings and local events.

Transportation

Callao is conveniently accessible via US Route 36 and Missouri Route 149, which connect residents to larger cities and rural areas alike. The nearest major airport is Kirksville Regional Airport, located approximately 30 miles to the northeast, providing regional air travel options. Public transportation options are limited, but local residents often rely on personal vehicles for commuting.

History

Callao was established in the mid-19th century and has since served as a hub for agricultural activities in the region. Key industries have included farming and small-scale manufacturing, which continue to play vital roles in the local economy today. Historically, Callao has been marked by various community events and fairs that celebrate its rich agricultural heritage.

Did you know?

A little-known fact about Callao is that it was originally named after a port in Peru, reflecting the influence of early settlers. Despite its small size, Callao has a distinct sense of identity and pride in its agricultural roots.

ZIP codes for Callao, MO (1)

ZIP code	City	County	Map
63534	Callao	Macon	View map

Demographics & statistics

763

Population

55.5

Median age

$45,250

Median household income

$23,925

Per capita income

$93,800

Median home value

$617

Median monthly rent

88.4%

Home ownership

7.5%

Poverty rate

3.9%

Unemployment

395

Housing units

12.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	149	19.5%
18 and over	614	80.5%
65 and over	112	14.7%
Median age	55.5 years

Race & ethnicity

White 98.3%

Asian 0.5%

Two or more races 0.5%

Black or African American 0.4%

Hispanic or Latino 0.3%

Group	Count	%
White	752	98.3%
Asian	4	0.5%
Two or more races	4	0.5%
Black or African American	3	0.4%
Hispanic or Latino	2	0.3%

Household income

Under $10k 3.1%

$10k–$15k 3.8%

$15k–$25k 8.5%

$25k–$35k 8.2%

$35k–$50k 39.0%

$50k–$75k 14.2%

$75k–$100k 11.0%

$100k–$150k 11.3%

$150k–$200k 0.9%

Range	% of households
Under $10k	3.1%
$10k–$15k	3.8%
$15k–$25k	8.5%
$25k–$35k	8.2%
$35k–$50k	39.0%
$50k–$75k	14.2%
$75k–$100k	11.0%
$100k–$150k	11.3%
$150k–$200k	0.9%
Median income	$45,250

Housing

Home values

Under $50k 30.2%

$50k–$100k 22.4%

$100k–$150k 24.2%

$150k–$200k 7.5%

$200k–$300k 4.6%

$300k–$500k 1.4%

$500k–$1M 8.9%

$1M+ 0.7%

Housing overview

Metric	Value
Median home value	$93,800
Median rent / month	$617
Owner occupied	88.4%
Renter occupied	11.6%
Vacant	26.4%
Single-family detached	85.9%
Large apartment buildings	0.0%
Mobile homes	11.3%
Median rooms	6.0
Avg household size (owned)	2.41

Year built

Era	%
2020 or later	0.0%
2010–2019	4.6%
2000–2009	4.9%
1990–1999	12.3%
1980–1989	15.7%
1970–1979	7.9%
1960–1969	12.3%
1950–1959	3.7%
1940–1949	6.5%
1939 or earlier	32.2%

Bedrooms

Size	% of units
No bedroom (studio)	9.0%
1 bedroom	3.0%
2 bedrooms	32.9%
3 bedrooms	40.7%
4 bedrooms	13.9%
5+ bedrooms	0.5%

Vehicles per household

Vehicles	% of households
No vehicle	2.2%
1 vehicle	38.7%
2 vehicles	26.7%
3 or more	32.4%

Heating fuel

Fuel type	%
Utility gas	4.7%
Electricity	59.7%
Propane / LP gas	25.8%
Fuel oil	0.6%
Wood	7.9%
No fuel used	1.3%

Households & families

Household type	Count	%
Married-couple family	201	63.2%
Cohabiting couple	16	5.0%
Male householder, no spouse	54	17.0%
Female householder, no spouse	47	14.8%
Households with children under 18	52	16.4%
Households with seniors (65+)	88	27.7%
Average household size	2.40

Marital status

Status	Male	Female
Never married	20.5%	10.2%
Married	57.0%	67.6%
Separated	4.8%	3.3%
Widowed	4.8%	11.6%
Divorced	12.9%	7.3%

Education

Less than 9th grade 0.8%

Some HS, no diploma 5.4%

HS graduate 61.2%

Some college, no degree 14.8%

Associate's degree 4.9%

Bachelor's degree 7.9%

Graduate / professional 4.9%

Metric	%
HS diploma or higher	93.8%
Bachelor's or higher	12.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	8	6.7%
Kindergarten	0	0.0%
Elementary school	75	62.5%
High school	22	18.3%
College / grad school	15	12.5%

Employment

Industry of employment

Education & healthcare 22.6%

Retail trade 21.3%

Manufacturing 21.0%

Professional & management 7.8%

Public administration 6.0%

Agriculture & mining 5.3%

Construction 4.7%

Transportation & utilities 4.4%

Wholesale trade 1.9%

Finance & real estate 1.9%

Arts, food & hospitality 1.9%

Other services 1.3%

Occupation

Category	%
Management, business & arts	28.5%
Service	13.2%
Sales & office	22.6%
Natural resources & construction	9.4%
Production & transportation	26.3%

Employment type

Type	%
Private sector	83.1%
Government	11.3%
Self-employed	5.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	86.3%
Carpool	5.5%
Public transit	0.0%
Walk	1.8%
Other means	1.2%
Avg commute (minutes)	21.2

Poverty

All people 7.5%

Under 18 years 11.4%

18 and over 6.5%

Married-couple families 0.5%

Female-led households 20.0%

Income support

Source	% of households
Social Security	45.0%
Retirement income	18.6%
Supplemental Security	1.9%
Cash public assistance	2.2%
Food stamps / SNAP	6.0%

Health indicators

Condition	%
High blood pressure	36.9%
High cholesterol	38.7%
Heart disease	8.9%
Stroke	4.0%
Asthma	9.4%
Arthritis	33.1%
Kidney disease	3.5%
Pulmonary disease	10.5%
Cancer	7.9%

Behavior / access	%
Binge drinking	15.7%
No physical activity	28.5%
Less than 7 hrs sleep	33.2%
Fair or poor health	19.0%
Poor mental health	15.2%
Poor physical health	13.5%
No health insurance	16.3%
Visited doctor (checkup)	75.9%
Visited dentist	55.4%
Cholesterol screening	89.1%
Teeth loss	19.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	45	7.5%

Disability	%
Any disability	17.7%
Under 18	8.1%
18–64 years	18.7%
65 and over	25.9%

Health insurance coverage

Type	%
Private insurance	50.3%
Public insurance	39.0%
Uninsured under 19	18.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	717	94.0%
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)	763	100.0%
Born in same state	759	99.5%
Born in different state	429	56.2%
Foreign born	4	0.5%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	167	21.9%
Arab	64	8.4%
French	37	4.8%

Ancestry	Count	%
Polish	7	0.9%
English	3	0.4%
Dutch	3	0.4%

Technology access

Metric	% of households
Computer access	41.7%
Internet access	71.4%

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

Frequently asked questions

What is the ZIP code for Callao, MO?

Callao, MO has one ZIP code: 63534.

What is the main ZIP code for Callao, MO?

The primary ZIP code for Callao, MO is 63534. The city uses area code 660 for phone service.

What county is Callao, MO in?

Callao is located in Macon County, Missouri.

How many ZIP codes are in Callao, MO?

Callao, MO has 1 ZIP code.

What is the ZIP code for downtown Callao, Missouri?

Downtown Callao, Missouri is located in ZIP code 63534, which serves as the primary commercial and civic center of this small Macon County community.

What ZIP code should I use for mailing addresses in Callao, MO?

All mailing addresses in Callao, Missouri use the single ZIP code 63534, as this is the only ZIP code that serves the entire city.