Postal Codes

63084 ZIP Code

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ZIP code 63084 covers Union, Missouri, with a population of about 20,511 and a median household income of $72,332.

Population
20,511269 per square mile
Median age
37.51.2 points below the US average
Median household income
$72,332about the Missouri median
Poverty rate
6.9%5.5 points below the US average
Typical home value
$261,630up 27.6% in five years
Median rent
$85214% below the Missouri median
Degree or higher
21.1%13.9 points below the US average
Homeownership
72.6%7.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
476

Where 63084 is

Union, Missouri — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population20,511
Median age37.5
Family households68.9%
Born outside the US1.2%
Speaks a language other than English at home2%
White (non-Hispanic)87.9%
Black (non-Hispanic)1.2%
Asian (non-Hispanic)1%
Hispanic or Latino2.6%
Veterans8.1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$72,332
Income per person$32,514
Poverty rate6.9%
Households on SNAP or cash assistance7.2%

Household income distribution

Under $10k2.7%
$10–15k1.9%
$15–20k3.2%
$20–25k4.1%
$25–30k1.1%
$30–35k3.3%
$35–40k4.9%
$40–45k4.5%
$45–50k5.5%
$50–60k8.6%
$60–75k12.2%
$75–100k14.1%
$100–125k14.0%
$125–150k7.9%
$150–200k6.5%
$200k or more5.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed9,430
Mean adjusted gross income$61,742
Returns declaring $200,000 or more2.5%
Returns, under $25k29.3%
Returns, $25k–$50k26.4%
Returns, $50k–$75k16.4%
Returns, $75k–$100k10.6%
Returns, $100k–$200k14.7%
Returns, $200k or more2.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$221,800
Median gross rent$852
Rent as a share of household income21.5%
Owner-occupied72.6%
Vacant homes8.4%
Median year built1992

What the homes are

Detached house74.2%
Attached house5.4%
2 to 4 units5.6%
5 to 19 units3.7%
20 or more units1.7%
Mobile home9.4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$261,630as of 2026-07
Typical home value, 1 yearup 4.7%
Typical home value, 5 yearsup 27.6%
Typical home value, 10 yearsup 73.1%
Typical asking rent$1,186as of 2026-07
Typical home value since 2000
200820172026$261,630$140,516

$152,936 in 2008 to $261,630 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.2%
Bachelor's degree or higher21.1%
High school diploma or higher90.5%
Works from home8.3%
Drives to work alone75.9%
Takes public transport0.4%
Commutes 45 minutes or more21.3%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity39.2% 5.8 pts above the national average of 33.4%
Diagnosed diabetes11.2% 0.8 pts below the national average of 12%
Currently smokes16.4% 3.2 pts above the national average of 13.2%
High blood pressure35.1% 1 pts above the national average of 34.1%
Fair or poor general health19.8% 0.5 pts below the national average of 20.3%
No health insurance (18–64)8.2% 3.1 pts below the national average of 11.3%
Depression26.2% 4.3 pts above the national average of 21.9%
No leisure-time physical activity28.7% 3.3 pts above the national average of 25.4%
Arthritis29.2% 4.1 pts above the national average of 25.1%
Binge drinking18.2% 2.2 pts above the national average of 16%
Taking blood pressure medication76.8% 2.1 pts above the national average of 74.7%
Cancer (non-skin)8.8% 1.1 pts above the national average of 7.7%
Current asthma10.7% same as the national average of 10.4%
Coronary heart disease6.6% same as the national average of 6.2%
Routine check-up in past year77.9% 1.2 pts above the national average of 76.7%
Cholesterol screening84.2% 1.7 pts below the national average of 85.9%
Cognitive disability17.5% 2.7 pts above the national average of 14.8%
Colorectal screening64.2% same as the national average of 64.3%
COPD7.9% 1.3 pts above the national average of 6.6%
Visited a dentist59.1% 2.2 pts below the national average of 61.3%
Any disability35.8% 5.1 pts above the national average of 30.7%
Lacks emotional support19.5% 5.3 pts below the national average of 24.8%
Food insecurity11.7% 5.4 pts below the national average of 17.1%
Received food stamps8.9% 5.4 pts below the national average of 14.3%
Hearing disability8.3% 1.6 pts above the national average of 6.7%
High cholesterol37.7% 1.5 pts above the national average of 36.2%
Housing insecurity10.7% 3.1 pts below the national average of 13.8%
Independent living disability8.9% 0.5 pts above the national average of 8.4%
Lacks transport7.5% 1.7 pts below the national average of 9.2%
Loneliness30% 4.4 pts below the national average of 34.4%
Mammography use72.5% 3.4 pts below the national average of 75.9%
Poor mental health (14+ days)17.9% 1.1 pts above the national average of 16.8%
Mobility disability14.9% 0.9 pts above the national average of 14%
Poor physical health (14+ days)14.4% 0.9 pts above the national average of 13.5%
Self-care disability3.6% same as the national average of 4%
Utility shut-off threat7.5% 1.3 pts below the national average of 8.8%
Sleeps under 7 hours35.2% 1.2 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost14.7% 1.7 pts above the national average of 13%
Vision disability4.6% 1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments476
People employed8,218
Annual payroll$392,696,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 60.3% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 10 census tracts this ZIP code covers
Expected annual loss68 out of 100
Community resilience71 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Strong wind90.9Relatively High at its worst in this ZIP code
Heat wave89.8Relatively High at its worst in this ZIP code
Landslide88.5Relatively Moderate at its worst in this ZIP code
Hail83.6Relatively High at its worst in this ZIP code
Earthquake77.4Relatively Moderate at its worst in this ZIP code
Drought76.6Relatively Low at its worst in this ZIP code
Wildfire75.9Relatively Low at its worst in this ZIP code
Tornado75.2Relatively High at its worst in this ZIP code
Ice storm74.8Relatively Moderate at its worst in this ZIP code
Cold wave68.9Relatively High at its worst in this ZIP code
River flooding65.8Very High at its worst in this ZIP code
Lightning64.8Relatively High at its worst in this ZIP code
Winter weather63.4Relatively Moderate at its worst in this ZIP code
Hurricane22.5Very Low at its worst in this ZIP code
Compared with Missouri and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMissouriUnited States
Median household income$72,332$68,920$78,538
Income per person$32,514$38,497$43,289
Poverty rate6.9%12.6%12.4%
Median home value$221,800$215,600$303,400
Median gross rent$852$996$1,348
Homeownership72.6%67.9%65%
Bachelor's degree or higher21.1%31.9%35%
Unemployment rate6.2%4.1%5.2%
Works from home8.3%11.6%13.5%
Born outside the US1.2%4.4%13.9%
Median age37.538.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationUNION, MO US1.4 km away
Rain in a year45 in
Snow in a year14 in

Average high and low by month

January43°F / 22.9°F2.72 in rain, 4.7 in snow
February48.3°F / 26.1°F2.45 in rain, 4.1 in snow
March59.1°F / 35.3°F3.87 in rain, 1.8 in snow
April70.4°F / 45°F4.99 in rain, 0.2 in snow
May78.1°F / 54.8°F4.85 in rain
June86.2°F / 63.3°F4.24 in rain
July90.6°F / 67.4°F4.74 in rain
August89.4°F / 65.8°F3.84 in rain
September81.7°F / 57°F3.63 in rain
October70.2°F / 45.6°F3.31 in rain
November57.3°F / 35°F3.66 in rain, 0.7 in snow
December46.1°F / 27.2°F2.66 in rain, 2.9 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket17% of this ZIP code's area
Far from a supermarket17% of this ZIP code's area
No vehicle and far from a supermarket57% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Union R-XI School District91.5% of this ZIP code's land area
Washington School District5% of this ZIP code's land area
St. Clair R-XIII School District3.4% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability30more vulnerable than 30% of US census tracts
Socioeconomic status36more vulnerable than 36% of US census tracts
Household characteristics24more vulnerable than 24% of US census tracts
Racial and ethnic minority status15more vulnerable than 15% of US census tracts
Housing type and transport45more vulnerable than 45% of US census tracts
Walkability5.8 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

63090 Washington, MO11.2 km away
63089 Villa Ridge, MO12.2 km away
63013 Beaufort, MO13.2 km away
63077 Saint Clair, MO13.6 km away
63055 Labadie, MO15 km away
63039 Gray Summit, MO17.8 km away
63342 Dutzow, MO18 km away
63056 Leslie, MO18.5 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Franklin County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area76.26 sq mi
Water area0.07 sq mi
Population density269 people per sq mi
Latitude, longitude38.4456, -91.0206

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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