63544 ZIP Code — Green Castle, MO

Sullivan County, Missouri

ZIP code 63544 is located in Green Castle, Missouri, within Sullivan County. It covers approximately 138.88 square miles and serves a population of 1,071 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 660.

About ZIP code 63544

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $114,600. Owner-occupancy is high at 86%, well above the national average.

Median household income is $42,768. 52% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 30 minutes is near the national average.

College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 24%.

Overall, ZIP code 63544 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

1,071

population

138.88

sq mi land

Standard

ZIP type

Central (CT)

timezone

63544 ZIP code map

Cities in ZIP code 63544

Below are the cities the US Postal Service accepts for ZIP code 63544. Using any city not on this list may result in mail delivery delays.

City	Status
Green Castle	Acceptable
Green Castle	Preferred

Nearby ZIP codes

63545 Green City (3.9 mi) 63559 Novinger (8.1 mi) 63560 Pollock (13.5 mi) 63556 Milan (13.7 mi) 63565 Unionville (13.7 mi) 63501 Kirksville (13.8 mi) 63566 Winigan (17.7 mi) 63561 Queen City (17.9 mi) 63551 Livonia (17.9 mi)

Demographics updated 05/2026

Population
Total population	1,071
Population density	8 / sq mi
State FIPS	29
County FIPS	211

Geography
Land area	138.88 sq mi
Water area	0.20 sq mi
Latitude	40.2988
Longitude	-92.8952
Timezone	Central (CT)
Area code	660

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.1%	53.7%	43.8%
$50k – $100k	37.4%	35.9%	31.5%
$100k – $200k	7.2%	9.5%	19.5%
Over $200k	0.3%	0.9%	5.2%

Demographics & statistics

1,071

Population

People per sq mi

55.0

Median age

$42,768

Median household income

$21,816

Per capita income

$114,600

Median home value

$438

Median monthly rent

86.3%

Home ownership

7.6%

Poverty rate

0.5%

Unemployment

442

Housing units

15.0%

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

116

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	156	14.6%
18 and over	915	85.4%
65 and over	257	24.0%
Median age	55.0 years

Race & ethnicity

White 94.9%

Two or more races 3%

American Indian / Alaska Native 1%

Asian 0.7%

Black or African American 0.5%

Group	Count	%
White	1,016	94.9%
Two or more races	32	3%
American Indian / Alaska Native	11	1%
Asian	7	0.7%
Black or African American	5	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.1%	53.7%	43.8%
$50k – $100k	37.4%	35.9%	31.5%
$100k – $200k	7.2%	9.5%	19.5%
Over $200k	0.3%	0.9%	5.2%

Under $10k 3.2%

$10k–$15k 8.7%

$15k–$25k 14.7%

$25k–$35k 12.7%

$35k–$50k 16.0%

$50k–$75k 21.7%

$75k–$100k 11.2%

$100k–$150k 10.2%

$150k–$200k 1.0%

$200k+ 0.5%

Range	% of households
Under $10k	3.2%
$10k–$15k	8.7%
$15k–$25k	14.7%
$25k–$35k	12.7%
$35k–$50k	16.0%
$50k–$75k	21.7%
$75k–$100k	11.2%
$100k–$150k	10.2%
$150k–$200k	1.0%
$200k+	0.5%
Median income	$42,768

Housing

Home values

Under $50k 28.3%

$50k–$100k 17.6%

$100k–$150k 12.7%

$150k–$200k 16.8%

$200k–$300k 15.9%

$300k–$500k 3.8%

$500k–$1M 4.0%

$1M+ 0.9%

Housing overview

Metric	Value
Median home value	$114,600
Median rent / month	$438
Owner occupied	86.3%
Renter occupied	13.7%
Vacant	19.3%
Single-family detached	72.4%
Large apartment buildings	1.4%
Mobile homes	23.1%
Median rooms	5.9
Avg household size (owned)	2.78

Year built

Era	%
2020 or later	1.8%
2010–2019	6.4%
2000–2009	11.1%
1990–1999	15.1%
1980–1989	5.0%
1970–1979	21.5%
1960–1969	8.7%
1950–1959	5.4%
1940–1949	6.0%
1939 or earlier	18.9%

Bedrooms

Size	% of units
No bedroom (studio)	4.2%
1 bedroom	7.2%
2 bedrooms	34.0%
3 bedrooms	43.5%
4 bedrooms	10.5%
5+ bedrooms	0.6%

Vehicles per household

Vehicles	% of households
No vehicle	9.5%
1 vehicle	24.4%
2 vehicles	36.7%
3 or more	29.4%

Heating fuel

Fuel type	%
Utility gas	1.7%
Electricity	35.9%
Propane / LP gas	47.4%
Fuel oil	1.2%
Wood	12.5%
No fuel used	1.2%

Households & families

Household type	Count	%
Married-couple family	192	47.9%
Cohabiting couple	21	5.2%
Male householder, no spouse	78	19.5%
Female householder, no spouse	110	27.4%
Households with children under 18	59	14.7%
Households with seniors (65+)	169	42.1%
Average household size	2.67

Marital status

Status	Male	Female
Never married	23.6%	25.5%
Married	42.8%	43.2%
Separated	0.0%	5.3%
Widowed	17.6%	14.1%
Divorced	16.0%	12.0%

Education

Less than 9th grade 3.9%

Some HS, no diploma 5.9%

HS graduate 58.4%

Some college, no degree 11.2%

Associate's degree 5.6%

Bachelor's degree 9.7%

Graduate / professional 5.2%

Metric	%
HS diploma or higher	90.1%
Bachelor's or higher	15.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	8	4.6%
Kindergarten	9	5.2%
Elementary school	83	47.7%
High school	30	17.2%
College / grad school	44	25.3%

Employment

Industry of employment

Agriculture & mining 26.7%

Education & healthcare 21.6%

Retail trade 13.8%

Manufacturing 10.1%

Professional & management 6.0%

Other services 5.5%

Construction 4.8%

Public administration 2.8%

Transportation & utilities 2.5%

Information 2.5%

Arts, food & hospitality 1.8%

Wholesale trade 1.6%

Finance & real estate 0.2%

Occupation

Category	%
Management, business & arts	44.1%
Service	13.3%
Sales & office	13.3%
Natural resources & construction	15.2%
Production & transportation	14.0%

Employment type

Type	%
Private sector	61.8%
Government	7.1%
Self-employed	31.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.1%
Carpool	13.6%
Public transit	0.0%
Walk	2.5%
Work from home	7.8%
Other means	0.9%
Avg commute (minutes)	30.2

Poverty

All people 7.6%

Under 18 years 7.1%

18 and over 7.7%

Married-couple families 3.6%

Female-led households 4.4%

Income support

Source	% of households
Social Security	51.6%
Retirement income	25.2%
Supplemental Security	11.7%
Cash public assistance	0.5%
Food stamps / SNAP	5.0%

Health indicators

Condition	%
Obesity	39.0%
High blood pressure	36.8%
High cholesterol	38.4%
Diabetes	12.6%
Heart disease	9.1%
Stroke	4.1%
Asthma	9.5%
Arthritis	32.5%
Kidney disease	3.6%
Pulmonary disease	10.4%
Cancer	8.3%

Behavior / access	%
Smoking	22.0%
Binge drinking	15.2%
No physical activity	29.4%
Less than 7 hrs sleep	31.8%
Depression	23.5%
Fair or poor health	18.8%
Poor mental health	15.0%
Poor physical health	13.4%
No health insurance	15.9%
Visited doctor (checkup)	76.0%
Visited dentist	56.5%
Cholesterol screening	89.9%
Teeth loss	19.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	74	8.1%

Disability	%
Any disability	24.0%
Under 18	2.6%
18–64 years	14.6%
65 and over	61.1%

Health insurance coverage

Type	%
Private insurance	69.0%
Public insurance	41.4%
No insurance	8.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,027	95.9%
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)	1,057	98.7%
Born in same state	1,032	96.4%
Born in different state	636	59.4%
Foreign born	25	2.3%
Naturalized citizen	14	1.3%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	238	22.2%
Arab	131	12.2%
Italian	69	6.4%

Ancestry	Count	%
English	17	1.6%
Dutch	10	0.9%

Technology access

Metric	% of households
Computer access	37.4%
Internet access	67.1%

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

Frequently asked questions about ZIP code 63544

What city is ZIP code 63544 in?

ZIP code 63544 is primarily assigned to Green Castle, Missouri.

What county is ZIP code 63544 in?

ZIP code 63544 falls within Sullivan County, Missouri.

Does ZIP code 63544 have a large retiree population?

52% of households in ZIP code 63544 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 63544 mostly owner-occupied?

86% of occupied units in ZIP code 63544 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 63544?

The median home value in ZIP code 63544 is $114,600.

What is the median household income in ZIP code 63544?

The median household income in ZIP code 63544 is $42,768, below the national median of ~$75,000.

What timezone is ZIP code 63544 in?

ZIP code 63544 observes the CST timezone.