63012 ZIP Code — Barnhart, MO

Jefferson County, Missouri

ZIP code 63012 is located in Barnhart, Missouri, within Jefferson County. It covers approximately 25.14 square miles and serves a population of 10,763 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 636.

About ZIP code 63012

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 $217,100. Owner-occupancy is high at 88%, well above the national average.

Median household income is $96,294. The poverty rate of 5% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 33 minutes is near the national average.

Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (20%) compared to national benchmarks.

10,763

population

25.14

sq mi land

Standard

ZIP type

Central (CT)

timezone

63012 ZIP code map

Cities in ZIP code 63012

Below are the cities the US Postal Service accepts for ZIP code 63012. Using any city not on this list may result in mail delivery delays.

City	Status
Barnhart	Preferred

Nearby ZIP codes

63070 Pevely (3.2 mi) 63052 Imperial (5 mi) 63048 Herculaneum (5.3 mi) 63010 Arnold (7.2 mi) 63019 Crystal City (7.8 mi) 63050 Hillsboro (8 mi) 62295 Valmeyer (8.4 mi) 63051 House Springs (9.2 mi) 63016 Cedar Hill (10.7 mi) 63129 Saint Louis (10.8 mi) 63049 High Ridge (11.3 mi) 63128 Saint Louis (12 mi)

Demographics updated 06/2026

Population
Total population	10,763
Population density	428 / sq mi
State FIPS	29
County FIPS	099

Geography
Land area	25.14 sq mi
Water area	0.16 sq mi
Latitude	38.3261
Longitude	-90.4495
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	21.5%	36.5%	43.8%
$50k – $100k	45.9%	35.8%	31.5%
$100k – $200k	29.4%	24.8%	19.5%
Over $200k	3.2%	2.9%	5.2%

Demographics & statistics

10,763

Population

428

People per sq mi

35.7

Median age

$96,294

Median household income

$42,658

Per capita income

$217,100

Median home value

$1,227

Median monthly rent

88.0%

Home ownership

5.3%

Poverty rate

1.9%

Unemployment

3,585

Housing units

26.4%

Bachelor's or higher

Age distribution

Male Female

496

Under 5

466

310

5–9

292

337

10–14

317

333

15–19

312

468

20–24

439

763

25–34

717

781

35–44

734

805

45–54

755

404

55–59

380

295

60–64

277

365

65–74

342

190

75–84

179

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,601	24.2%
18 and over	8,162	75.8%
65 and over	1,082	10.1%
Median age	35.7 years

Race & ethnicity

White 87.5%

Two or more races 6.4%

Hispanic or Latino 5.4%

Asian 0.4%

Black or African American 0.2%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	9,954	87.5%
Two or more races	726	6.4%
Hispanic or Latino	611	5.4%
Asian	44	0.4%
Black or African American	22	0.2%
Native Hawaiian / Pacific Islander	17	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.5%	36.5%	43.8%
$50k – $100k	45.9%	35.8%	31.5%
$100k – $200k	29.4%	24.8%	19.5%
Over $200k	3.2%	2.9%	5.2%

Under $10k 2.0%

$10k–$15k 2.1%

$15k–$25k 2.2%

$25k–$35k 4.5%

$35k–$50k 4.9%

$50k–$75k 18.4%

$75k–$100k 17.6%

$100k–$150k 24.0%

$150k–$200k 13.7%

$200k+ 10.4%

Range	% of households
Under $10k	2.0%
$10k–$15k	2.1%
$15k–$25k	2.2%
$25k–$35k	4.5%
$35k–$50k	4.9%
$50k–$75k	18.4%
$75k–$100k	17.6%
$100k–$150k	24.0%
$150k–$200k	13.7%
$200k+	10.4%
Median income	$96,294

Housing

Home values

Under $50k 2.6%

$50k–$100k 3.3%

$100k–$150k 5.8%

$150k–$200k 31.6%

$200k–$300k 28.8%

$300k–$500k 24.5%

$500k–$1M 2.8%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$217,100
Median rent / month	$1,227
Owner occupied	88.0%
Renter occupied	12.0%
Vacant	5.1%
Single-family detached	95.5%
Large apartment buildings	0.0%
Mobile homes	2.4%
Median rooms	6.3
Avg household size (owned)	2.82

Year built

Era	%
2020 or later	0.4%
2010–2019	6.1%
2000–2009	12.6%
1990–1999	20.8%
1980–1989	20.0%
1970–1979	26.2%
1960–1969	7.1%
1950–1959	5.4%
1940–1949	1.6%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	1.0%
2 bedrooms	11.3%
3 bedrooms	57.9%
4 bedrooms	24.6%
5+ bedrooms	4.8%

Vehicles per household

Vehicles	% of households
No vehicle	2.2%
1 vehicle	15.2%
2 vehicles	49.8%
3 or more	32.8%

Heating fuel

Fuel type	%
Utility gas	47.5%
Electricity	38.8%
Propane / LP gas	7.7%
Wood	3.6%
Solar	1.8%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	2,201	57.3%
Cohabiting couple	317	8.3%
Male householder, no spouse	609	15.9%
Female householder, no spouse	712	18.5%
Households with children under 18	1,553	40.5%
Households with seniors (65+)	844	22.0%
Average household size	2.79

Marital status

Status	Male	Female
Never married	31.3%	26.7%
Married	55.1%	50.7%
Separated	0.9%	1.7%
Widowed	2.1%	8.7%
Divorced	10.5%	12.3%

Education

Less than 9th grade 1.6%

Some HS, no diploma 3.1%

HS graduate 26.0%

Some college, no degree 23.5%

Associate's degree 19.6%

Bachelor's degree 17.8%

Graduate / professional 8.5%

Metric	%
HS diploma or higher	95.4%
Bachelor's or higher	26.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	387	15.4%
Kindergarten	147	5.9%
Elementary school	995	39.6%
High school	503	20.0%
College / grad school	480	19.1%

Employment

Industry of employment

Education & healthcare 21.2%

Manufacturing 18.2%

Professional & management 13.6%

Finance & real estate 11.2%

Construction 7.9%

Retail trade 7.2%

Other services 5.6%

Transportation & utilities 4.4%

Arts, food & hospitality 4.3%

Wholesale trade 2.8%

Information 2.2%

Public administration 1.3%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	39.1%
Service	9.8%
Sales & office	23.5%
Natural resources & construction	14.5%
Production & transportation	13.1%

Employment type

Type	%
Private sector	86.7%
Government	7.8%
Self-employed	5.1%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	81.8%
Carpool	4.8%
Public transit	0.0%
Walk	0.5%
Work from home	12.9%
Other means	0.0%
Avg commute (minutes)	33.1

Poverty

All people 5.3%

Under 18 years 5.7%

18 and over 5.2%

Married-couple families 4.7%

Female-led households 5.5%

Income support

Source	% of households
Social Security	25.2%
Retirement income	23.2%
Supplemental Security	3.5%
Cash public assistance	0.0%
Food stamps / SNAP	5.6%

Health indicators

Condition	%
Obesity	40.6%
High blood pressure	24.7%
High cholesterol	32.2%
Diabetes	8.4%
Heart disease	5.4%
Stroke	2.3%
Asthma	9.3%
Arthritis	24.2%
Kidney disease	2.2%
Pulmonary disease	6.5%
Cancer	5.8%

Behavior / access	%
Smoking	20.3%
Binge drinking	20.5%
No physical activity	22.3%
Less than 7 hrs sleep	34.3%
Depression	25.4%
Fair or poor health	12.6%
Poor mental health	15.4%
Poor physical health	9.9%
No health insurance	13.8%
Visited doctor (checkup)	71.2%
Visited dentist	63.2%
Cholesterol screening	88.1%
Teeth loss	14.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	479	5.9%

Disability	%
Any disability	9.7%
Under 18	6.0%
18–64 years	5.8%
65 and over	44.5%

Health insurance coverage

Type	%
Private insurance	81.1%
Public insurance	21.4%
No insurance	3.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,801	91.1%
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)	10,633	98.8%
Born in same state	10,533	97.9%
Born in different state	9,196	85.4%
Foreign born	100	0.9%
Naturalized citizen	130	1.2%
Not a US citizen	130	100.0%

Ancestry

Ancestry	Count	%
Italian	2,306	21.4%
French	834	7.7%
Arab	432	4%

Ancestry	Count	%
English	148	1.4%
German	36	0.3%
Irish	30	0.3%

Technology access

Metric	% of households
Computer access	35.7%
Internet access	94.5%

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

Frequently asked questions about ZIP code 63012

What city is ZIP code 63012 in?

ZIP code 63012 is primarily assigned to Barnhart, Missouri.

What county is ZIP code 63012 in?

ZIP code 63012 falls within Jefferson County, Missouri.

Is ZIP code 63012 mostly owner-occupied?

88% of occupied units in ZIP code 63012 are owner-occupied, well above the national average.

What is the population of ZIP code 63012?

ZIP code 63012 has an estimated population of 10,763 residents, with a density of 428 people per square mile.

What is the median household income in ZIP code 63012?

The median household income in ZIP code 63012 is $96,294, above the national median of ~$75,000.

What is the typical home value in ZIP code 63012?

The median home value in ZIP code 63012 is $217,100.

What timezone is ZIP code 63012 in?

ZIP code 63012 observes the CST timezone.