63473 ZIP Code — Williamstown, MO

Lewis County, Missouri

ZIP code 63473 is located in Williamstown, Missouri, within Lewis County. It covers approximately 61.88 square miles and serves a population of 318 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 573.

About ZIP code 63473

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $201,400. Owner-occupancy is high at 94%, well above the national average.

Median household income is $76,250. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 29 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (24%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

Overall, ZIP code 63473 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

318

population

61.88

sq mi land

Standard

ZIP type

Central (CT)

timezone

63473 ZIP code map

Cities in ZIP code 63473

Below are the cities the US Postal Service accepts for ZIP code 63473. Using any city not on this list may result in mail delivery delays.

City	Status
Williamstown	Acceptable

Demographics updated 06/2026

Population
Total population	318
Population density	5 / sq mi
State FIPS	29
County FIPS	111

Geography
Land area	61.88 sq mi
Water area	0.20 sq mi
Latitude	40.2342
Longitude	-91.7644
Timezone	Central (CT)
Area code	573

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.4%	51.7%	43.8%
$50k – $100k	53.5%	32.2%	31.5%
$100k – $200k	22.1%	12.3%	19.5%
Over $200k	0.0%	3.8%	5.2%

Demographics & statistics

318

Population

People per sq mi

31.8

Median age

$76,250

Median household income

$24,980

Per capita income

$201,400

Median home value

Median monthly rent

94.2%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

232

Housing units

22.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

← Male

Female →

Age summary

Group	Count	%
Under 18	95	29.9%
18 and over	223	70.1%
65 and over	38	11.9%
Median age	31.8 years

Race & ethnicity

White 97.5%

Asian 2.5%

Group	Count	%
White	310	97.5%
Asian	8	2.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.4%	51.7%	43.8%
$50k – $100k	53.5%	32.2%	31.5%
$100k – $200k	22.1%	12.3%	19.5%
Over $200k	0.0%	3.8%	5.2%

$35k–$50k 10.6%

$50k–$75k 31.7%

$75k–$100k 45.2%

$100k–$150k 8.7%

$200k+ 3.8%

Range	% of households
$35k–$50k	10.6%
$50k–$75k	31.7%
$75k–$100k	45.2%
$100k–$150k	8.7%
$200k+	3.8%
Median income	$76,250

Housing

Home values

Under $50k 17.3%

$50k–$100k 5.1%

$150k–$200k 26.5%

$200k–$300k 41.8%

$300k–$500k 4.1%

$1M+ 5.1%

Housing overview

Metric	Value
Median home value	$201,400
Median rent / month	$0
Owner occupied	94.2%
Renter occupied	5.8%
Vacant	56.3%
Single-family detached	76.1%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	4.6
Avg household size (owned)	3.01

Year built

Era	%
2020 or later	0.0%
2010–2019	4.6%
2000–2009	3.4%
1990–1999	6.7%
1980–1989	1.7%
1970–1979	21.4%
1960–1969	30.3%
1950–1959	0.0%
1940–1949	2.5%
1939 or earlier	29.4%

Bedrooms

Size	% of units
No bedroom (studio)	36.1%
1 bedroom	2.1%
2 bedrooms	30.3%
3 bedrooms	20.6%
4 bedrooms	10.9%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	4.8%
2 vehicles	62.5%
3 or more	32.7%

Heating fuel

Fuel type	%
Utility gas	3.8%
Electricity	54.8%
Propane / LP gas	26.9%
Wood	14.4%

Households & families

Household type	Count	%
Married-couple family	73	70.2%
Cohabiting couple	0	0.0%
Male householder, no spouse	26	25.0%
Female householder, no spouse	5	4.8%
Households with children under 18	66	63.5%
Households with seniors (65+)	22	21.2%
Average household size	3.06

Marital status

Status	Male	Female
Never married	18.5%	34.8%
Married	51.5%	60.9%
Separated	0.0%	0.0%
Widowed	16.9%	0.0%
Divorced	13.1%	4.3%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 52.5%

Some college, no degree 23.2%

Associate's degree 2.2%

Bachelor's degree 14.9%

Graduate / professional 7.2%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	22.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	22	23.9%
High school	46	50.0%
College / grad school	24	26.1%

Employment

Industry of employment

Manufacturing 27.1%

Transportation & utilities 18.6%

Wholesale trade 13.3%

Arts, food & hospitality 12.8%

Education & healthcare 11.7%

Finance & real estate 6.4%

Retail trade 5.3%

Agriculture & mining 2.7%

Information 2.1%

Occupation

Category	%
Management, business & arts	20.2%
Service	19.7%
Sales & office	5.9%
Natural resources & construction	8.0%
Production & transportation	46.3%

Employment type

Type	%
Private sector	85.6%
Government	5.9%
Self-employed	8.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	61.7%
Carpool	29.3%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	9.0%
Avg commute (minutes)	28.5

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	42.3%
Retirement income	8.7%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	40.0%
High blood pressure	38.2%
High cholesterol	38.6%
Diabetes	13.0%
Heart disease	9.1%
Stroke	4.2%
Asthma	9.8%
Arthritis	33.5%
Kidney disease	3.6%
Pulmonary disease	11.2%
Cancer	7.8%

Behavior / access	%
Smoking	24.0%
Binge drinking	15.4%
No physical activity	30.6%
Less than 7 hrs sleep	34.0%
Depression	23.8%
Fair or poor health	20.4%
Poor mental health	15.8%
Poor physical health	14.4%
No health insurance	16.2%
Visited doctor (checkup)	74.7%
Visited dentist	53.0%
Cholesterol screening	89.3%
Teeth loss	22.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	29	13.0%

Disability	%
Any disability	4.1%
Under 18	0.0%
18–64 years	0.0%
65 and over	34.2%

Health insurance coverage

Type	%
Private insurance	72.3%
Public insurance	33.3%
No insurance	1.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	285	89.6%
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)	310	97.5%
Born in same state	310	97.5%
Born in different state	88	27.7%
Foreign born	0	0.0%
Naturalized citizen	8	2.5%
Not a US citizen	8	100.0%

Ancestry

Ancestry	Count	%
Arab	24	7.5%
French	21	6.6%

Ancestry	Count	%
Polish	8	2.5%
Italian	4	1.3%

Technology access

Metric	% of households
Computer access	32.7%
Internet access	95.2%

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

Frequently asked questions about ZIP code 63473

What city is ZIP code 63473 in?

ZIP code 63473 is primarily assigned to Williamstown, Missouri.

What county is ZIP code 63473 in?

ZIP code 63473 falls within Lewis County, Missouri.

Is ZIP code 63473 mostly owner-occupied?

94% of occupied units in ZIP code 63473 are owner-occupied, well above the national average.

Does ZIP code 63473 have a large retiree population?

42% of households in ZIP code 63473 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 63473 have a large veteran population?

13% of civilians in ZIP code 63473 are veterans, above the national average of ~7%.

What is the population of ZIP code 63473?

ZIP code 63473 has an estimated population of 318 residents, with a density of 5 people per square mile.

What timezone is ZIP code 63473 in?

ZIP code 63473 observes the CST timezone.