Union Star ZIP Code List — Dekalb County, MO

There is one unique ZIP code in Union Star, Missouri and it is 64494. Area code: 816.

ZIP codes

56.68

sq mi land

0.50

sq mi water

816

area code

Union Star, MO ZIP code map

About Union Star, MO

Union Star is a charming small town located in Missouri, nestled within the picturesque Dekalb County. Known for its rural atmosphere, it offers a close-knit community feel, making it an attractive place for families and individuals alike. Despite its small size, Union Star serves as a significant locale for local agriculture and small businesses.

Location & geography

Union Star is situated in Northwest Missouri and is approximately 15 miles northeast of St. Joseph, a larger urban center in the area. The town encompasses a land area of 56.68 square miles, complemented by a water area of 0.50 square miles, providing a mix of open spaces and waterways. The surrounding terrain is characterized by rolling hills and farmland, contributing to its serene rural landscape.

Community & economy

The community of Union Star is known for its welcoming residents, who take pride in maintaining a friendly and supportive environment. Agriculture plays a crucial role in the local economy, with several farms and businesses dedicated to serving the agricultural sector. Daily life in Union Star revolves around community events and gatherings that highlight the town’s strong sense of tradition and togetherness.

Transportation

Union Star is accessible via major highways, including U.S. Route 36, which provides a direct route to neighboring cities and beyond. The nearest named airport is Rosecrans Memorial Airport, located about 15 miles away in St. Joseph, facilitating regional travel. Public transportation options are limited, reflecting the town's rural character.

History

Union Star was founded in the mid-19th century, primarily as an agricultural hub for settlers in the region. Over the years, key industries have included farming and small-scale manufacturing, which have shaped the town’s development. Notable events in the town's history often revolve around its community festivals and agricultural fairs, celebrating local heritage.

Did you know?

A surprising fact about Union Star is that it is home to a unique annual event known as the Union Star Picnic, which fosters community spirit and draws visitors from surrounding areas. Additionally, this small town has retained much of its historical charm, with several structures dating back to its founding era.

ZIP codes for Union Star, MO (1)

ZIP code	City	County	Map
64494	Union Star	Dekalb	View map

Demographics & statistics

1,062

Population

39.5

Median age

$63,636

Median household income

$30,401

Per capita income

$122,700

Median home value

$813

Median monthly rent

81.3%

Home ownership

8.5%

Poverty rate

6.9%

Unemployment

385

Housing units

20.5%

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	262	24.7%
18 and over	800	75.3%
65 and over	240	22.6%
Median age	39.5 years

Race & ethnicity

White 92%

Two or more races 3.1%

Asian 2.6%

Black or African American 1.4%

Hispanic or Latino 0.8%

Other race 0.1%

Group	Count	%
White	985	92%
Two or more races	33	3.1%
Asian	28	2.6%
Black or African American	15	1.4%
Hispanic or Latino	9	0.8%
Other race	1	0.1%

Household income

Under $10k 0.5%

$10k–$15k 2.8%

$15k–$25k 10.0%

$25k–$35k 10.8%

$35k–$50k 10.0%

$50k–$75k 27.5%

$75k–$100k 12.5%

$100k–$150k 16.5%

$150k–$200k 5.5%

$200k+ 4.0%

Range	% of households
Under $10k	0.5%
$10k–$15k	2.8%
$15k–$25k	10.0%
$25k–$35k	10.8%
$35k–$50k	10.0%
$50k–$75k	27.5%
$75k–$100k	12.5%
$100k–$150k	16.5%
$150k–$200k	5.5%
$200k+	4.0%
Median income	$63,636

Housing

Home values

Under $50k 9.5%

$50k–$100k 23.7%

$100k–$150k 22.8%

$150k–$200k 19.1%

$200k–$300k 13.8%

$300k–$500k 4.9%

$500k–$1M 5.5%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$122,700
Median rent / month	$813
Owner occupied	81.3%
Renter occupied	18.8%
Vacant	13.0%
Single-family detached	90.4%
Large apartment buildings	0.0%
Mobile homes	4.8%
Median rooms	5.9
Avg household size (owned)	2.68

Year built

Era	%
2020 or later	1.1%
2010–2019	0.0%
2000–2009	6.7%
1990–1999	17.4%
1980–1989	5.0%
1970–1979	11.3%
1960–1969	10.4%
1950–1959	9.6%
1940–1949	2.2%
1939 or earlier	36.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	8.5%
2 bedrooms	27.8%
3 bedrooms	47.6%
4 bedrooms	10.9%
5+ bedrooms	5.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.5%
1 vehicle	28.5%
2 vehicles	30.8%
3 or more	38.3%

Heating fuel

Fuel type	%
Utility gas	3.5%
Electricity	29.3%
Propane / LP gas	49.8%
Wood	12.5%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	226	56.5%
Cohabiting couple	43	10.8%
Male householder, no spouse	48	12.0%
Female householder, no spouse	83	20.8%
Households with children under 18	106	26.5%
Households with seniors (65+)	158	39.5%
Average household size	2.66

Marital status

Status	Male	Female
Never married	26.9%	24.3%
Married	55.7%	54.0%
Separated	0.7%	1.2%
Widowed	2.1%	11.4%
Divorced	14.5%	9.0%

Education

Less than 9th grade 0.6%

Some HS, no diploma 1.8%

HS graduate 49.6%

Some college, no degree 16.9%

Associate's degree 10.6%

Bachelor's degree 14.8%

Graduate / professional 5.7%

Metric	%
HS diploma or higher	97.6%
Bachelor's or higher	20.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	3	1.3%
Kindergarten	21	9.1%
Elementary school	123	53.5%
High school	43	18.7%
College / grad school	40	17.4%

Employment

Industry of employment

Education & healthcare 28.1%

Agriculture & mining 18.0%

Manufacturing 13.6%

Retail trade 9.3%

Other services 6.5%

Construction 5.2%

Transportation & utilities 5.0%

Professional & management 3.2%

Wholesale trade 3.0%

Public administration 2.8%

Arts, food & hospitality 2.6%

Finance & real estate 1.7%

Information 0.9%

Occupation

Category	%
Management, business & arts	36.8%
Service	14.5%
Sales & office	14.3%
Natural resources & construction	18.2%
Production & transportation	16.2%

Employment type

Type	%
Private sector	74.7%
Government	12.6%
Self-employed	12.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.7%
Carpool	5.0%
Public transit	0.0%
Walk	0.2%
Other means	0.4%
Avg commute (minutes)	54.3

Poverty

All people 8.5%

Under 18 years 19.8%

18 and over 4.8%

Married-couple families 2.7%

Female-led households 17.9%

Income support

Source	% of households
Social Security	41.8%
Retirement income	34.8%
Supplemental Security	5.0%
Cash public assistance	1.5%
Food stamps / SNAP	2.0%

Health indicators

Condition	%
High blood pressure	32.1%
High cholesterol	35.9%
Heart disease	7.2%
Stroke	3.2%
Asthma	9.2%
Arthritis	29.4%
Kidney disease	2.9%
Pulmonary disease	8.2%
Cancer	7.2%

Behavior / access	%
Binge drinking	16.7%
No physical activity	25.2%
Less than 7 hrs sleep	31.5%
Fair or poor health	15.2%
Poor mental health	14.9%
Poor physical health	11.4%
No health insurance	14.6%
Visited doctor (checkup)	74.2%
Visited dentist	60.7%
Cholesterol screening	89.3%
Teeth loss	15.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	70	8.8%

Disability	%
Any disability	12.6%
Under 18	13.4%
18–64 years	5.7%
65 and over	27.9%

Health insurance coverage

Type	%
Private insurance	74.1%
Public insurance	34.4%
Uninsured under 19	8.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	982	92.5%
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)	1,062	100.0%
Born in same state	1,057	99.5%
Born in different state	791	74.5%
Foreign born	5	0.5%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	205	19.3%
Arab	155	14.6%
French	133	12.5%
English	26	2.4%

Ancestry	Count	%
Polish	8	0.8%
Irish	2	0.2%
German	1	0.1%

Technology access

Metric	% of households
Computer access	37.7%
Internet access	86.3%

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

Frequently asked questions

What is the ZIP code for Union Star, MO?

Union Star, MO has one ZIP code: 64494.

What is the main ZIP code for Union Star, MO?

The primary ZIP code for Union Star, MO is 64494. The city uses area code 816 for phone service.

What county is Union Star, MO in?

Union Star is located in Dekalb County, Missouri.

How many ZIP codes are in Union Star, MO?

Union Star, MO has 1 ZIP code.

What is the ZIP code for the downtown Union Star area in Dekalb County?

The downtown Union Star area uses ZIP code 64494, which serves the entire city.

If I'm sending mail to a business located in Union Star, Missouri, what ZIP code should I use?

You should use ZIP code 64494 for all mail addressed to Union Star, Missouri, as it is the sole ZIP code for this Dekalb County city.