Silex ZIP Code List — Lincoln County, MO

There is one unique ZIP code in Silex, Missouri and it is 63377. Area code: 573.

ZIP codes

129.43

sq mi land

1.13

sq mi water

573

area code

Silex, MO ZIP code map

About Silex, MO

Silex, Missouri, is a charming small town located in Lincoln County. This quaint community offers a picturesque rural setting that is perfect for those seeking a slower pace of life. With its close-knit community feel and scenic landscapes, Silex is a hidden gem in the heart of Missouri.

Location & geography

Silex is situated in eastern Missouri and is known for its beautiful countryside and rolling hills. It is approximately 15 miles away from the neighboring city of Troy and about 30 miles from the historic city of St. Charles. The total land area of Silex encompasses 129.43 square miles, with a water area of 1.13 square miles, offering a mix of both land and water environments.

Community & economy

The character of Silex is marked by its strong community spirit and friendly atmosphere. Residents enjoy a rural lifestyle, with local businesses and agriculture forming the backbone of the local economy. Daily life in Silex revolves around community events, outdoor activities, and a strong emphasis on family values.

Transportation

Silex is accessible via State Highway Z, which connects the town to larger road networks. The nearest major airport is the St. Louis Lambert International Airport, located approximately 50 miles to the southwest. Public transportation options are limited, so personal vehicles are the primary mode of travel in the area.

History

Silex was founded in the mid-19th century, and the town has a rich agricultural history that has shaped its development. Key industries in the area have included farming and local businesses that support the surrounding agricultural community. Notable events include the annual Silex Fair, which celebrates local heritage and draws visitors from surrounding areas.

Did you know?

A surprising fact about Silex is that it is home to one of the oldest churches in Lincoln County, which adds to the town's historical charm. Additionally, Silex is positioned strategically for access to both urban amenities and serene rural life, making it an attractive location for those seeking a balanced lifestyle.

ZIP codes for Silex, MO (1)

ZIP code	City	County	Map
63377	Silex	Lincoln	View map

Demographics & statistics

3,500

Population

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

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%
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	%
High blood pressure	31.4%
High cholesterol	35.4%
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	%
Binge drinking	17.6%
No physical activity	28.5%
Less than 7 hrs sleep	32.4%
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%
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

What is the ZIP code for Silex, MO?

Silex, MO has one ZIP code: 63377.

What is the main ZIP code for Silex, MO?

The primary ZIP code for Silex, MO is 63377. The city uses area code 573 for phone service.

What county is Silex, MO in?

Silex is located in Lincoln County, Missouri.

How many ZIP codes are in Silex, MO?

Silex, MO has 1 ZIP code.

What is the ZIP code for downtown Silex, Missouri?

Downtown Silex, located in Lincoln County, uses the ZIP code 63377, which serves the entire city.

What ZIP code should I use when mailing packages to businesses in Silex, MO?

All businesses and residences in Silex, Missouri are located within ZIP code 63377.