63377 ZIP Code — Silex, MO

Lincoln County, Missouri

ZIP code 63377 is located in Silex, Missouri, within Lincoln County. It covers approximately 129.43 square miles and serves a population of 3,500 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 573.

About ZIP code 63377

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 $212,300. Owner-occupancy is high at 91%, well above the national average.

Median household income is $81,014. 45% 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 34 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 63377 reflects a community defined by high homeownership and a significant Social Security-dependent population.

3,500

population

129.43

sq mi land

Standard

ZIP type

Central (CT)

timezone

63377 ZIP code map

Cities in ZIP code 63377

Below are the cities the US Postal Service accepts for ZIP code 63377. Using any city not on this list may result in mail delivery delays.

City	Status
Silex	Acceptable
Silex	Preferred

Nearby ZIP codes

63344 Eolia (8.1 mi) 63379 Troy (9.2 mi) 63349 Hawk Point (9.3 mi) 63381 Truxton (12.2 mi) 63333 Bellflower (13.2 mi) 63343 Elsberry (13.7 mi) 63334 Bowling Green (14.1 mi) 63359 Middletown (14.4 mi) 63362 Moscow Mills (15.1 mi) 63347 Foley (16.3 mi) 63336 Clarksville (17.5 mi) 63389 Winfield (17.9 mi)

Demographics updated 05/2026

Population
Total population	3,500
Population density	27 / sq mi
State FIPS	29
County FIPS	113

Geography
Land area	129.43 sq mi
Water area	1.13 sq mi
Latitude	39.1065
Longitude	-91.0805
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	39.6%	36.0%	43.8%
$50k – $100k	36.0%	34.2%	31.5%
$100k – $200k	23.4%	27.0%	19.5%
Over $200k	1.0%	2.9%	5.2%

Demographics & statistics

3,500

Population

People per sq mi

45.3

Median age

$81,014

Median household income

$28,285

Per capita income

$212,300

Median home value

$791

Median monthly rent

90.6%

Home ownership

13.5%

Poverty rate

6.5%

Unemployment

1,237

Housing units

20.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

120

5–9

118

105

10–14

102

120

15–19

117

20–24

211

25–34

206

180

35–44

177

295

45–54

289

143

55–59

139

123

60–64

121

156

65–74

152

146

75–84

142

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	704	20.1%
18 and over	2,796	79.9%
65 and over	661	18.9%
Median age	45.3 years

Race & ethnicity

White 96.9%

Black or African American 1.4%

Two or more races 0.9%

Asian 0.8%

Group	Count	%
White	3,390	96.9%
Black or African American	50	1.4%
Two or more races	30	0.9%
Asian	29	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.6%	36.0%	43.8%
$50k – $100k	36.0%	34.2%	31.5%
$100k – $200k	23.4%	27.0%	19.5%
Over $200k	1.0%	2.9%	5.2%

Under $10k 6.8%

$10k–$15k 2.7%

$15k–$25k 9.5%

$25k–$35k 7.2%

$35k–$50k 9.7%

$50k–$75k 8.4%

$75k–$100k 19.3%

$100k–$150k 19.8%

$150k–$200k 7.1%

$200k+ 9.6%

Range	% of households
Under $10k	6.8%
$10k–$15k	2.7%
$15k–$25k	9.5%
$25k–$35k	7.2%
$35k–$50k	9.7%
$50k–$75k	8.4%
$75k–$100k	19.3%
$100k–$150k	19.8%
$150k–$200k	7.1%
$200k+	9.6%
Median income	$81,014

Housing

Home values

Under $50k 6.9%

$50k–$100k 11.0%

$100k–$150k 15.0%

$150k–$200k 14.5%

$200k–$300k 14.3%

$300k–$500k 27.6%

$500k–$1M 7.5%

$1M+ 3.2%

Housing overview

Metric	Value
Median home value	$212,300
Median rent / month	$791
Owner occupied	90.6%
Renter occupied	9.4%
Vacant	12.3%
Single-family detached	89.0%
Large apartment buildings	0.0%
Mobile homes	9.1%
Median rooms	6.1
Avg household size (owned)	2.72

Year built

Era	%
2020 or later	0.0%
2010–2019	15.0%
2000–2009	23.1%
1990–1999	13.9%
1980–1989	10.3%
1970–1979	11.3%
1960–1969	10.3%
1950–1959	2.1%
1940–1949	1.1%
1939 or earlier	12.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	5.1%
2 bedrooms	16.1%
3 bedrooms	48.2%
4 bedrooms	24.4%
5+ bedrooms	5.8%

Vehicles per household

Vehicles	% of households
No vehicle	7.5%
1 vehicle	9.2%
2 vehicles	46.1%
3 or more	37.1%

Heating fuel

Fuel type	%
Utility gas	6.9%
Electricity	58.5%
Propane / LP gas	31.4%
Wood	3.2%

Households & families

Household type	Count	%
Married-couple family	781	66.1%
Cohabiting couple	27	2.3%
Male householder, no spouse	93	7.9%
Female householder, no spouse	281	23.8%
Households with children under 18	375	31.7%
Households with seniors (65+)	501	42.4%
Average household size	2.87

Marital status

Status	Male	Female
Never married	28.4%	16.9%
Married	57.2%	61.8%
Separated	6.7%	1.0%
Widowed	1.4%	15.2%
Divorced	6.3%	5.1%

Education

Less than 9th grade 3.0%

Some HS, no diploma 11.4%

HS graduate 44.6%

Some college, no degree 13.8%

Associate's degree 7.0%

Bachelor's degree 14.7%

Graduate / professional 5.5%

Metric	%
HS diploma or higher	85.6%
Bachelor's or higher	20.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	6	1.0%
Kindergarten	61	10.3%
Elementary school	276	46.4%
High school	217	36.5%
College / grad school	35	5.9%

Employment

Industry of employment

Manufacturing 20.7%

Education & healthcare 12.6%

Retail trade 12.5%

Construction 10.8%

Professional & management 9.6%

Finance & real estate 8.8%

Other services 8.4%

Transportation & utilities 6.3%

Agriculture & mining 4.7%

Arts, food & hospitality 3.0%

Wholesale trade 1.0%

Public administration 1.0%

Information 0.6%

Occupation

Category	%
Management, business & arts	21.5%
Service	5.2%
Sales & office	19.1%
Natural resources & construction	16.9%
Production & transportation	37.3%

Employment type

Type	%
Private sector	88.9%
Government	3.7%
Self-employed	7.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	88.0%
Carpool	9.2%
Public transit	0.0%
Walk	1.7%
Work from home	0.9%
Other means	0.1%
Avg commute (minutes)	33.7

Poverty

All people 13.5%

Under 18 years 11.6%

18 and over 13.9%

Married-couple families 12.2%

Female-led households 9.0%

Income support

Source	% of households
Social Security	44.7%
Retirement income	23.7%
Supplemental Security	1.8%
Cash public assistance	1.5%
Food stamps / SNAP	6.2%

Health indicators

Condition	%
Obesity	36.5%
High blood pressure	31.4%
High cholesterol	35.4%
Diabetes	10.7%
Heart disease	7.3%
Stroke	3.2%
Asthma	9.4%
Arthritis	28.9%
Kidney disease	2.9%
Pulmonary disease	8.6%
Cancer	7.0%

Behavior / access	%
Smoking	22.4%
Binge drinking	17.6%
No physical activity	28.5%
Less than 7 hrs sleep	32.4%
Depression	24.7%
Fair or poor health	15.9%
Poor mental health	15.5%
Poor physical health	11.8%
No health insurance	15.5%
Visited doctor (checkup)	72.4%
Visited dentist	57.1%
Cholesterol screening	88.6%
Teeth loss	17.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	121	4.3%

Disability	%
Any disability	14.8%
Under 18	10.2%
18–64 years	9.2%
65 and over	38.8%

Health insurance coverage

Type	%
Private insurance	60.0%
Public insurance	34.8%
No insurance	13.5%
Uninsured under 19	1.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,381	96.6%
Spanish	8	0.2%
Other Indo-European	8	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,475	99.3%
Born in same state	3,464	99.0%
Born in different state	2,926	83.6%
Foreign born	11	0.3%
Naturalized citizen	25	0.7%
Not a US citizen	25	100.0%

Ancestry

Ancestry	Count	%
Arab	557	15.9%
Italian	382	10.9%
French	104	3%
German	39	1.1%

Ancestry	Count	%
English	17	0.5%
Irish	6	0.2%
Polish	5	0.1%

Technology access

Metric	% of households
Computer access	33.8%
Internet access	93.1%

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

Frequently asked questions about ZIP code 63377

What city is ZIP code 63377 in?

ZIP code 63377 is primarily assigned to Silex, Missouri.

What county is ZIP code 63377 in?

ZIP code 63377 falls within Lincoln County, Missouri.

Is ZIP code 63377 mostly owner-occupied?

91% of occupied units in ZIP code 63377 are owner-occupied, well above the national average.

Does ZIP code 63377 have a large retiree population?

45% of households in ZIP code 63377 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 63377?

ZIP code 63377 has an estimated population of 3,500 residents, with a density of 27 people per square mile.

What is the typical home value in ZIP code 63377?

The median home value in ZIP code 63377 is $212,300.

What timezone is ZIP code 63377 in?

ZIP code 63377 observes the CST timezone.