63084 ZIP Code — Union, MO

Franklin County, Missouri

ZIP code 63084 is located in Union, Missouri, within Franklin County. It covers approximately 76.26 square miles and serves a population of 20,071 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 636.

About ZIP code 63084

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $212,100. Owner-occupancy sits near the national average at 75%.

Median household income is $69,079. The poverty rate of 6% is below the national average. 35% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 26 minutes is near the national average.

College attainment at 20% 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.

Overall, ZIP code 63084 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.

20,071

population

76.26

sq mi land

Standard

ZIP type

Central (CT)

timezone

63084 ZIP code map

Cities in ZIP code 63084

Below are the cities the US Postal Service accepts for ZIP code 63084. Using any city not on this list may result in mail delivery delays.

City	Status
Union	Acceptable
Union	Preferred

Nearby ZIP codes

63089 Villa Ridge (6.5 mi) 63077 Saint Clair (7.2 mi) 63090 Washington (7.4 mi) 63013 Beaufort (7.6 mi) 63039 Gray Summit (10.6 mi) 63072 Robertsville (11.2 mi) 63056 Leslie (11.6 mi) 63055 Labadie (12.1 mi) 63060 Lonedell (13.4 mi) 63332 Augusta (13.8 mi) 63080 Sullivan (13.8 mi) 63015 Catawissa (14.3 mi)

Demographics updated 06/2026

Population
Total population	20,071
Population density	263 / sq mi
State FIPS	29
County FIPS	071

Geography
Land area	76.26 sq mi
Water area	0.07 sq mi
Latitude	38.4272
Longitude	-91.0043
Timezone	Central (CT)
Area code	636

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.6%	41.1%	43.8%
$50k – $100k	39.2%	34.6%	31.5%
$100k – $200k	18.5%	19.8%	19.5%
Over $200k	2.7%	4.6%	5.2%

Demographics & statistics

20,071

Population

263

People per sq mi

38.1

Median age

$69,079

Median household income

$31,014

Per capita income

$212,100

Median home value

$846

Median monthly rent

74.5%

Home ownership

6.2%

Poverty rate

6.8%

Unemployment

1,052

Housing units

19.6%

Bachelor's or higher

Age distribution

Male Female

674

Under 5

646

789

5–9

758

581

10–14

558

605

15–19

581

735

20–24

706

1,421

25–34

1,363

1,090

35–44

1,047

1,191

45–54

1,143

869

55–59

833

540

60–64

518

969

65–74

929

563

75–84

540

215

85+

207

← Male

Female →

Age summary

Group	Count	%
Under 18	4,784	23.8%
18 and over	15,287	76.2%
65 and over	3,423	17.1%
Median age	38.1 years

Race & ethnicity

White 84.1%

Two or more races 7.1%

Hispanic or Latino 6%

Black or African American 1.5%

Asian 0.9%

Other race 0.3%

Group	Count	%
White	17,965	84.1%
Two or more races	1,518	7.1%
Hispanic or Latino	1,288	6%
Black or African American	329	1.5%
Asian	185	0.9%
Other race	64	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.6%	41.1%	43.8%
$50k – $100k	39.2%	34.6%	31.5%
$100k – $200k	18.5%	19.8%	19.5%
Over $200k	2.7%	4.6%	5.2%

Under $10k 2.6%

$10k–$15k 1.4%

$15k–$25k 9.8%

$25k–$35k 7.1%

$35k–$50k 13.8%

$50k–$75k 18.8%

$75k–$100k 14.4%

$100k–$150k 21.7%

$150k–$200k 6.2%

$200k+ 4.0%

Range	% of households
Under $10k	2.6%
$10k–$15k	1.4%
$15k–$25k	9.8%
$25k–$35k	7.1%
$35k–$50k	13.8%
$50k–$75k	18.8%
$75k–$100k	14.4%
$100k–$150k	21.7%
$150k–$200k	6.2%
$200k+	4.0%
Median income	$69,079

Housing

Home values

Under $50k 1.7%

$50k–$100k 3.4%

$100k–$150k 16.2%

$150k–$200k 22.4%

$200k–$300k 36.5%

$300k–$500k 15.0%

$500k–$1M 4.1%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$212,100
Median rent / month	$846
Owner occupied	74.5%
Renter occupied	25.5%
Vacant	8.4%
Single-family detached	72.9%
Large apartment buildings	2.2%
Mobile homes	9.7%
Median rooms	5.8
Avg household size (owned)	2.76

Year built

Era	%
2020 or later	0.0%
2010–2019	12.7%
2000–2009	24.0%
1990–1999	18.0%
1980–1989	13.1%
1970–1979	8.1%
1960–1969	9.4%
1950–1959	5.7%
1940–1949	1.7%
1939 or earlier	7.2%

Bedrooms

Size	% of units
No bedroom (studio)	1.4%
1 bedroom	3.8%
2 bedrooms	23.9%
3 bedrooms	50.9%
4 bedrooms	15.9%
5+ bedrooms	4.1%

Vehicles per household

Vehicles	% of households
No vehicle	4.6%
1 vehicle	22.6%
2 vehicles	42.8%
3 or more	30.0%

Heating fuel

Fuel type	%
Utility gas	8.5%
Electricity	80.7%
Propane / LP gas	6.8%
Fuel oil	0.5%
Wood	2.2%
Solar	0.1%
No fuel used	1.0%

Households & families

Household type	Count	%
Married-couple family	4,115	54.5%
Cohabiting couple	730	9.7%
Male householder, no spouse	1,052	13.9%
Female householder, no spouse	1,656	21.9%
Households with children under 18	2,347	31.1%
Households with seniors (65+)	2,422	32.1%
Average household size	2.62

Marital status

Status	Male	Female
Never married	35.9%	22.6%
Married	53.0%	53.6%
Separated	0.5%	1.1%
Widowed	2.1%	11.5%
Divorced	8.5%	11.2%

Education

Less than 9th grade 2.8%

Some HS, no diploma 7.9%

HS graduate 38.9%

Some college, no degree 20.5%

Associate's degree 10.3%

Bachelor's degree 13.2%

Graduate / professional 6.4%

Metric	%
HS diploma or higher	89.3%
Bachelor's or higher	19.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	254	6.0%
Kindergarten	289	6.8%
Elementary school	2,094	49.1%
High school	881	20.6%
College / grad school	749	17.6%

Employment

Industry of employment

Manufacturing 22.4%

Education & healthcare 19.4%

Retail trade 14.3%

Construction 8.4%

Professional & management 7.5%

Arts, food & hospitality 6.7%

Public administration 5.5%

Transportation & utilities 4.7%

Other services 4.2%

Finance & real estate 3.7%

Wholesale trade 1.5%

Information 1.0%

Agriculture & mining 0.6%

Occupation

Category	%
Management, business & arts	29.5%
Service	17.2%
Sales & office	20.7%
Natural resources & construction	10.7%
Production & transportation	21.9%

Employment type

Type	%
Private sector	83.7%
Government	11.2%
Self-employed	4.8%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	77.8%
Carpool	13.5%
Public transit	0.4%
Walk	1.1%
Work from home	6.3%
Other means	0.9%
Avg commute (minutes)	26.4

Poverty

All people 6.2%

Under 18 years 7.3%

18 and over 5.8%

Married-couple families 1.4%

Female-led households 18.1%

Income support

Source	% of households
Social Security	35.2%
Retirement income	29.6%
Supplemental Security	5.8%
Cash public assistance	1.8%
Food stamps / SNAP	5.5%

Health indicators

Condition	%
Obesity	31.7%
High blood pressure	29.4%
High cholesterol	33.8%
Diabetes	9.8%
Heart disease	6.3%
Stroke	2.9%
Asthma	9.6%
Arthritis	26.0%
Kidney disease	2.7%
Pulmonary disease	7.9%
Cancer	6.3%

Behavior / access	%
Smoking	21.6%
Binge drinking	18.1%
No physical activity	24.4%
Less than 7 hrs sleep	34.2%
Depression	24.5%
Fair or poor health	15.0%
Poor mental health	16.2%
Poor physical health	11.2%
No health insurance	16.2%
Visited doctor (checkup)	72.2%
Visited dentist	61.7%
Cholesterol screening	87.0%
Teeth loss	16.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,093	7.2%

Disability	%
Any disability	13.2%
Under 18	2.1%
18–64 years	9.7%
65 and over	40.8%

Health insurance coverage

Type	%
Private insurance	74.0%
Public insurance	29.1%
No insurance	8.1%
Uninsured under 19	8.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	18,751	93.4%
Spanish	46	0.2%
Other Indo-European	12	0.1%
Asian & Pacific Islander	34	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,815	98.7%
Born in same state	19,749	98.4%
Born in different state	16,106	80.2%
Foreign born	66	0.3%
Naturalized citizen	256	1.3%
Not a US citizen	132	51.6%

Ancestry

Ancestry	Count	%
Italian	2,635	13.1%
French	1,671	8.3%
Arab	1,333	6.6%

Ancestry	Count	%
English	105	0.5%
Polish	57	0.3%
Irish	45	0.2%

Technology access

Metric	% of households
Computer access	37.6%
Internet access	94.0%

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

Frequently asked questions about ZIP code 63084

What city is ZIP code 63084 in?

ZIP code 63084 is primarily assigned to Union, Missouri.

What county is ZIP code 63084 in?

ZIP code 63084 falls within Franklin County, Missouri.

Does ZIP code 63084 have a large retiree population?

35% of households in ZIP code 63084 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 63084?

ZIP code 63084 has an estimated population of 20,071 residents, with a density of 263 people per square mile.

What is the typical home value in ZIP code 63084?

The median home value in ZIP code 63084 is $212,100.

What is the median household income in ZIP code 63084?

The median household income in ZIP code 63084 is $69,079, below the national median of ~$75,000.

What timezone is ZIP code 63084 in?

ZIP code 63084 observes the CST timezone.