63388 ZIP Code — Williamsburg, MO

Callaway County, Missouri

ZIP code 63388 is located in Williamsburg, Missouri, within Callaway County. It covers approximately 59.72 square miles and serves a population of 859 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 573.

About ZIP code 63388

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $67,300. Owner-occupancy is high at 86%, well above the national average.

Median household income is $65,774. 46% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is natural resources, construction, and trades, with manufacturing as the leading industry. An above-average commute of 42 minutes suggests many residents work outside the immediate area.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (23%) compared to national benchmarks. 18% of residents lack health insurance, above the national average.

Notable community characteristics include a notable veteran presence at 19% of civilians, above the national average of 7%; and disability rates above the national average at 23%.

Overall, ZIP code 63388 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

859

population

59.72

sq mi land

Standard

ZIP type

Central (CT)

timezone

63388 ZIP code map

Cities in ZIP code 63388

Below are the cities the US Postal Service accepts for ZIP code 63388. Using any city not on this list may result in mail delivery delays.

City	Status
Williamsburg	Preferred

Nearby ZIP codes

65067 Portland (7.6 mi) 65077 Steedman (9.3 mi) 63361 Montgomery City (10.9 mi) 63363 New Florence (11.1 mi) 65231 Auxvasse (11.6 mi) 65069 Rhineland (13 mi) 65251 Fulton (13.1 mi) 65262 Kingdom City (13.1 mi) 65264 Martinsburg (13.3 mi) 65059 Mokane (14.2 mi) 65232 Benton City (15.2 mi) 63384 Wellsville (16.1 mi)

Demographics updated 05/2026

Population
Total population	859
Population density	14 / sq mi
State FIPS	29
County FIPS	027

Geography
Land area	59.72 sq mi
Water area	0.77 sq mi
Latitude	38.8886
Longitude	-91.7233
Timezone	Central (CT)
Area code	573

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	46.8%	40.1%	43.8%
$50k – $100k	15.0%	38.9%	31.5%
$100k – $200k	35.9%	18.8%	19.5%
Over $200k	2.2%	2.2%	5.2%

Demographics & statistics

859

Population

People per sq mi

53.6

Median age

$65,774

Median household income

$36,469

Per capita income

$67,300

Median home value

Median monthly rent

85.7%

Home ownership

15.6%

Poverty rate

7.9%

Unemployment

652

Housing units

17.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	136	15.8%
18 and over	723	84.2%
65 and over	181	21.1%
Median age	53.6 years

Race & ethnicity

White 90.9%

Black or African American 9.1%

Group	Count	%
White	781	90.9%
Black or African American	78	9.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	46.8%	40.1%	43.8%
$50k – $100k	15.0%	38.9%	31.5%
$100k – $200k	35.9%	18.8%	19.5%
Over $200k	2.2%	2.2%	5.2%

Under $10k 3.6%

$15k–$25k 5.1%

$25k–$35k 21.5%

$35k–$50k 15.3%

$50k–$75k 16.6%

$75k–$100k 6.6%

$100k–$150k 21.5%

$150k–$200k 8.2%

$200k+ 1.5%

Range	% of households
Under $10k	3.6%
$15k–$25k	5.1%
$25k–$35k	21.5%
$35k–$50k	15.3%
$50k–$75k	16.6%
$75k–$100k	6.6%
$100k–$150k	21.5%
$150k–$200k	8.2%
$200k+	1.5%
Median income	$65,774

Housing

Home values

Under $50k 15.8%

$50k–$100k 54.9%

$100k–$150k 1.8%

$150k–$200k 9.3%

$200k–$300k 12.8%

$300k–$500k 2.1%

$500k–$1M 3.3%

Housing overview

Metric	Value
Median home value	$67,300
Median rent / month	$0
Owner occupied	85.7%
Renter occupied	14.3%
Vacant	44.8%
Single-family detached	40.8%
Large apartment buildings	0.0%
Mobile homes	55.1%
Median rooms	5.0
Avg household size (owned)	2.07

Year built

Era	%
2020 or later	1.6%
2010–2019	7.9%
2000–2009	12.0%
1990–1999	31.2%
1980–1989	16.1%
1970–1979	18.5%
1960–1969	9.7%
1950–1959	1.1%
1940–1949	0.0%
1939 or earlier	1.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	15.5%
2 bedrooms	34.6%
3 bedrooms	33.8%
4 bedrooms	16.1%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.6%
1 vehicle	19.7%
2 vehicles	52.9%
3 or more	24.8%

Heating fuel

Fuel type	%
Utility gas	2.6%
Electricity	41.9%
Propane / LP gas	34.5%
Wood	21.0%

Households & families

Household type	Count	%
Married-couple family	148	37.9%
Cohabiting couple	0	0.0%
Male householder, no spouse	190	48.6%
Female householder, no spouse	53	13.6%
Households with children under 18	78	19.9%
Households with seniors (65+)	134	34.3%
Average household size	2.18

Marital status

Status	Male	Female
Never married	10.1%	20.1%
Married	43.8%	60.1%
Separated	4.3%	0.0%
Widowed	7.6%	3.4%
Divorced	34.2%	16.4%

Education

Less than 9th grade 6.6%

Some HS, no diploma 7.3%

HS graduate 32.5%

Some college, no degree 23.5%

Associate's degree 12.9%

Bachelor's degree 10.1%

Graduate / professional 7.1%

Metric	%
HS diploma or higher	86.0%
Bachelor's or higher	17.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	36	22.9%
Kindergarten	0	0.0%
Elementary school	78	49.7%
High school	22	14.0%
College / grad school	21	13.4%

Employment

Industry of employment

Manufacturing 32.4%

Education & healthcare 17.2%

Public administration 13.8%

Construction 8.3%

Transportation & utilities 7.9%

Retail trade 7.6%

Finance & real estate 6.6%

Other services 6.2%

Occupation

Category	%
Management, business & arts	18.6%
Service	26.9%
Sales & office	13.8%
Natural resources & construction	33.4%
Production & transportation	7.2%

Employment type

Type	%
Private sector	83.4%
Government	13.8%
Self-employed	2.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	92.7%
Carpool	0.0%
Public transit	7.3%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	42.4

Poverty

All people 15.6%

Under 18 years 34.6%

18 and over 12.0%

Married-couple families 26.4%

Female-led households 0.0%

Income support

Source	% of households
Social Security	45.5%
Retirement income	41.2%
Supplemental Security	11.3%
Cash public assistance	0.0%
Food stamps / SNAP	14.6%

Health indicators

Condition	%
Obesity	35.6%
High blood pressure	36.0%
High cholesterol	37.5%
Diabetes	11.6%
Heart disease	8.1%
Stroke	3.7%
Asthma	9.8%
Arthritis	30.8%
Kidney disease	3.2%
Pulmonary disease	9.7%
Cancer	7.3%

Behavior / access	%
Smoking	22.5%
Binge drinking	16.9%
No physical activity	27.3%
Less than 7 hrs sleep	33.8%
Depression	24.8%
Fair or poor health	18.0%
Poor mental health	15.6%
Poor physical health	12.9%
No health insurance	15.8%
Visited doctor (checkup)	74.5%
Visited dentist	59.5%
Cholesterol screening	89.1%
Teeth loss	19.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	135	18.7%

Disability	%
Any disability	22.8%
Under 18	0.0%
18–64 years	20.5%
65 and over	47.0%

Health insurance coverage

Type	%
Private insurance	60.0%
Public insurance	42.3%
No insurance	17.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	846	98.5%
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)	859	100.0%
Born in same state	859	100.0%
Born in different state	696	81.0%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	162	18.9%
French	106	12.3%
Polish	47	5.5%
German	12	1.4%

Ancestry	Count	%
Dutch	10	1.2%
English	7	0.8%
Arab	6	0.7%

Technology access

Metric	% of households
Computer access	45.5%
Internet access	90.5%

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

Frequently asked questions about ZIP code 63388

What city is ZIP code 63388 in?

ZIP code 63388 is primarily assigned to Williamsburg, Missouri.

What county is ZIP code 63388 in?

ZIP code 63388 falls within Callaway County, Missouri.

Is ZIP code 63388 mostly owner-occupied?

86% of occupied units in ZIP code 63388 are owner-occupied, well above the national average.

Does ZIP code 63388 have a large retiree population?

46% of households in ZIP code 63388 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 63388 have a large veteran population?

19% of civilians in ZIP code 63388 are veterans, above the national average of ~7%.

What is the poverty rate in ZIP code 63388?

16% of residents in ZIP code 63388 live below the poverty line, above the national average.

What timezone is ZIP code 63388 in?

ZIP code 63388 observes the CST timezone.