Southside ZIP Codes — Mason County, WV

There is one unique ZIP code in Southside, West Virginia and it is 25187. Area code: 304.

ZIP codes

39.97

sq mi land

0.87

sq mi water

304

area code

Southside, WV ZIP code map

About Southside, WV

Southside is a small town located in Mason County, West Virginia. Nestled in the scenic landscapes of the region, Southside is known for its friendly community and picturesque surroundings. With a rich history and a tranquil atmosphere, it offers a unique glimpse into the charm of rural West Virginia.

Location & geography

Southside is situated in the southwestern part of West Virginia, approximately 30 miles from the larger city of Charleston. It is bordered by the Ohio River, which enhances its natural beauty, and encompasses a land area of 39.97 square miles, with a water area of 0.87 square miles. The terrain is primarily hilly and wooded, providing residents and visitors with opportunities for outdoor recreation.

Community & economy

The community in Southside is characterized by its close-knit atmosphere, where residents often come together for local events and activities. The local economy is supported by industries such as small businesses and agriculture, reflecting the town's rural roots. Daily life in Southside includes enjoying the tranquil environment while participating in community events that celebrate West Virginia culture.

Transportation

Southside is accessible via State Route 2, which connects it to nearby cities and major transportation routes. The nearest airport is Tri-State Airport, located approximately 40 miles away in Huntington. Public transit options are limited, making personal vehicles the primary mode of transportation in the area.

History

Southside was founded in the 19th century and has a history linked to the development of the surrounding agricultural and trade sectors. Throughout its history, Southside has maintained a focus on community and local industry, fostering a strong sense of identity among its residents. Notable events in the town's history include the establishment of local fairs that celebrate its agricultural heritage.

Did you know?

One surprising fact about Southside is its proximity to the Ohio River, which not only offers scenic views but also opportunities for fishing and boating. Despite being a small town, Southside plays a role in preserving the rich cultural heritage of Mason County.

ZIP codes for Southside, WV (1)

ZIP code	City	County	Map
25187	Southside	Mason	View map

Demographics & statistics

685

Population

44.3

Median age

$43,657

Median household income

$28,407

Per capita income

$213,700

Median home value

Median monthly rent

94.3%

Home ownership

7.9%

Poverty rate

0.0%

Unemployment

365

Housing units

16.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	152	22.2%
18 and over	533	77.8%
65 and over	211	30.8%
Median age	44.3 years

Race & ethnicity

White 100%

Group	Count	%
White	685	100%

Household income

$15k–$25k 35.7%

$35k–$50k 27.4%

$50k–$75k 17.9%

$75k–$100k 5.7%

$100k–$150k 1.5%

$150k–$200k 11.9%

Range	% of households
$15k–$25k	35.7%
$35k–$50k	27.4%
$50k–$75k	17.9%
$75k–$100k	5.7%
$100k–$150k	1.5%
$150k–$200k	11.9%
Median income	$43,657

Housing

Home values

Under $50k 3.8%

$50k–$100k 26.8%

$150k–$200k 9.1%

$200k–$300k 44.8%

$300k–$500k 15.5%

Housing overview

Metric	Value
Median home value	$213,700
Median rent / month	$0
Owner occupied	94.3%
Renter occupied	5.7%
Vacant	12.5%
Single-family detached	86.2%
Large apartment buildings	0.0%
Mobile homes	13.8%
Median rooms	5.8
Avg household size (owned)	1.99

Year built

Era	%
2020 or later	0.0%
2010–2019	2.1%
2000–2009	6.0%
1990–1999	3.6%
1980–1989	22.9%
1970–1979	8.9%
1960–1969	0.0%
1950–1959	22.4%
1940–1949	0.0%
1939 or earlier	34.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	10.9%
2 bedrooms	18.8%
3 bedrooms	53.6%
4 bedrooms	16.7%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	15.2%
1 vehicle	11.9%
2 vehicles	61.3%
3 or more	11.6%

Heating fuel

Fuel type	%
Electricity	61.9%
Propane / LP gas	31.3%
Fuel oil	5.7%
Wood	1.2%

Households & families

Household type	Count	%
Married-couple family	155	46.1%
Cohabiting couple	0	0.0%
Male householder, no spouse	105	31.3%
Female householder, no spouse	76	22.6%
Households with children under 18	84	25.0%
Households with seniors (65+)	191	56.8%
Average household size	2.04

Marital status

Status	Male	Female
Never married	7.4%	11.6%
Married	60.7%	59.9%
Separated	0.0%	0.0%
Widowed	0.0%	25.1%
Divorced	31.9%	3.4%

Education

Less than 9th grade 4.4%

Some HS, no diploma 5.4%

HS graduate 41.1%

Some college, no degree 24.2%

Associate's degree 8.4%

Bachelor's degree 16.5%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	90.2%
Bachelor's or higher	16.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	19	76.0%
College / grad school	6	24.0%

Employment

Industry of employment

Retail trade 29.6%

Public administration 25.2%

Transportation & utilities 9.6%

Manufacturing 9.3%

Construction 7.8%

Finance & real estate 7.0%

Other services 3.3%

Education & healthcare 2.6%

Arts, food & hospitality 2.2%

Wholesale trade 1.9%

Agriculture & mining 1.5%

Occupation

Category	%
Management, business & arts	31.9%
Service	5.6%
Sales & office	34.1%
Natural resources & construction	17.4%
Production & transportation	11.1%

Employment type

Type	%
Private sector	67.4%
Government	27.8%
Self-employed	4.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	95.2%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	30.1

Poverty

All people 7.9%

Under 18 years 9.2%

18 and over 7.5%

Married-couple families 12.3%

Female-led households 0.0%

Income support

Source	% of households
Social Security	40.8%
Retirement income	41.7%
Supplemental Security	5.7%
Cash public assistance	5.7%
Food stamps / SNAP	5.7%

Health indicators

Condition	%
High blood pressure	44.2%
High cholesterol	39.1%
Heart disease	9.2%
Stroke	3.9%
Asthma	11.3%
Arthritis	38.3%
Kidney disease	3.5%
Pulmonary disease	12.1%
Cancer	7.4%

Behavior / access	%
Binge drinking	12.2%
No physical activity	32.0%
Less than 7 hrs sleep	40.8%
Fair or poor health	22.1%
Poor mental health	18.1%
Poor physical health	15.2%
No health insurance	11.3%
Visited doctor (checkup)	81.1%
Visited dentist	54.8%
Cholesterol screening	90.0%
Teeth loss	20.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	121	22.7%

Disability	%
Any disability	31.2%
Under 18	9.2%
18–64 years	8.7%
65 and over	81.5%

Health insurance coverage

Type	%
Private insurance	70.8%
Public insurance	45.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	610	89.1%
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)	685	100.0%
Born in same state	679	99.1%
Born in different state	568	82.9%
Foreign born	6	0.9%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	118	17.2%

Technology access

Metric	% of households
Computer access	49.1%
Internet access	67.3%

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

Frequently asked questions

What ZIP codes does Southside, WV have?

Southside, WV has one ZIP code: 25187. Each ZIP code serves a distinct delivery area within the city and surrounding region.