Senecaville, OH

Village in Guernsey County, OH, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

406

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

40.1

years ∙ half population younger than 40.1, half older

Diversity Index

12.1%

chance two random people differ in race and ethnicity

Nativity

foreign-born population

100%Native

0% Foreign-born

Geographic Context

Location, size, and surroundings

About

Senecaville is a village within Guernsey County, Ohio, United States.

Location

Village in Guernsey County, OH, US

Co-ordinates

DEC39.934764° N, 81.459462° W

DMS39° 56′ 05.15″ N, 81° 27′ 34.06″ W

Population Density & area

854.7/sq mi (330.1/km²)

Total Area

0.475 sq mi (1.23 km²)

Land Area

0.475 sq mi (1.23 km²) · 100%

Water Area

0 sq mi (0 km²) · 0%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

56.4% male

Male 56.4%

Female 43.6%

males per 100 females

Senecaville 129.4

Guernsey County 99

Ohio 97.3

Nativity

foreign-born population

100%Native

0% Foreign-born

% Foreign-born

Senecaville 0%

Guernsey County 0.9%

Ohio 5.2%

Age Distribution

How the population is spread across age groups

Median Age

40.1

years ∙ half population younger than 40.1, half older

Senecaville

40.1

Guernsey County

42.9

Ohio

39.7

Dependency ratio

70.6

dependents per 100 working-age adults

Senecaville 70.6

Guernsey County 72.9

Ohio 67.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Senecaville	Guernsey County	Ohio
Age Group
Children (Under 18)	18%	22.1%	22%
Working age (18-64)	58.6%	57.8%	59.7%
Senior (65+)	23.4%	20.1%	18.3%
Dependency ratio
Total dependency ratio	70.6	72.9	67.4
Child dependency ratio	30.7	38.3	36.9
Old-age dependency ratio	39.9	34.7	30.6

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

93.6%

Black

Asian

Hispanic

0.7%

Other

5.7%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

12.1%

chance two random people differ in race and ethnicity

Senecaville 12.1%

Guernsey County 12.8%

Ohio 40.6%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Senecaville population

	Senecaville	Guernsey County	Ohio
Hispanic or Latino	0.7%	1.4%	4.8%
Mexican	0%	0.6%	2%
Puerto Rican	0.7%	0.1%	1.2%
Cuban	0%	0%	0.1%
Other Hispanic / Latino	0%	0.6%	1.4%
Not Hispanic or Latino	99.3%	98.6%	95.2%
One race	93.6%	95.9%	90.9%
White	93.6%	93.3%	75.8%
Black or African American	0%	1.9%	12%
American Indian and Alaska Native	0%	0%	0.1%
Asian	0%	0.3%	2.5%
Native Hawaiian and Other Pacific Islander	0%	0%	0%
Some Other Race	0%	0.3%	0.4%
Two or more races (Multiracial)	5.7%	2.7%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

65% family

Family 65%

Non family 35%

% family households

Senecaville 65%

Guernsey County 62.5%

Ohio 61.2%

Average household size

2.22

persons per household

Senecaville

2.22

Guernsey County

2.31

Ohio

2.37

Household & Family COMPOSITION

Households

Percentage of Senecaville population

	Senecaville	Guernsey County	Ohio
Total households	183	16,318	4,863,191
Average houshold size	2.22	2.31	2.37
Family households	119	10,191	2,976,515
Average family size	2.45	2.89	3.01
Married couple family	78	7,427	2,158,670
Other families	41	2,764	817,845
Male householder	23	849	235,478
Female householder	18	1,915	582,367
Non-family households	64	6,127	1,886,676
One-person households	56	5,409	1,556,005
Male householder	36	2,873	716,929
Senior (65+) living alone	5	816	227,267
Female householder	20	2,536	839,076
Senior (65+) living alone	11	1,604	427,631
Other living arrangements	8	718	330,671

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

216

housing units

Senecaville 216

Guernsey County 19,037

Ohio 5,292,391

Occupancy status

84.7% occupied

Occupied 84.7%

Vacant 15.3%

vacancy rate

Senecaville 15.3%

Guernsey County 14.3%

Ohio 8.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

88.9%

Single family houses

88.9%

Apartments in multi-unit structures

3.3%

Mobile homes

7.9%

Boat, RV, van, etc

Median Year Built

1949

Half of houses were built before 1949, and half after.

Historic ∙ 1939 or earlier

47.2%

Postwar & mid-century ∙ 1940 - 1969

16.6%

Late 20th century ∙ 1970 - 1999

22.7%

Modern ∙ 2000 or later

13.4%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Senecaville	Guernsey County	Ohio
Rooms per unit
Median rooms	6.1	5.9	5.9
1–3 rooms	7.4%	10.1%	10.7%
4–6 rooms	51.8%	54.2%	50.1%
7+ rooms	40.7%	35.7%	39.3%
Bedrooms
No bedroom / studio	0%	2%	1.7%
1 bedroom	9.7%	9%	9.4%
2 bedrooms	31.5%	26.2%	25.4%
3 bedrooms	50%	47.5%	41.6%
4+ bedrooms	8.8%	15.3%	21.9%
At a glance
Median year built	1949	1973	1971
Total housing units	216	19,037	5,292,391

Occupancy Profile

Who is inside and how they use it

Homeownership

82.5% owners

Renter-occupied 17.5%

Owner-occupied 82.5%

homeownership rate

Senecaville 82.5%

Guernsey County 72.1%

Ohio 67.2%

Average household size

2.23

Owner-occupied

2.16

Renter-occupied

owner-occupied average size

Senecaville 2.23

Guernsey County 2.4

Ohio 2.5

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Senecaville	Guernsey County	Ohio
Total occupied units	183	16,318	4,863,191
Year moved in
2020 or later	14.2%	17.7%	22.8%
2010 to 2019	48.6%	38%	38.6%
2000 to 2009	9.3%	18.1%	16.5%
1999 or earlier	27.9%	26.2%	22.1%
Occupants per room
1.00 or fewer	100%	98.1%	98.5%
1.01 to 1.50	0%	1.2%	1.1%
1.51 or more	0%	0.7%	0.4%
Vehicles availability
No vehicles	4.4%	8.8%	7.5%
1 vehicle	22.4%	27.7%	34%
2 vehicles	45.4%	34.9%	37.4%
3 or more vehicles	27.9%	28.5%	21.2%
House heating fuel used
Gas	77.1%	60.1%	69.6%
Electricity	16.4%	28.1%	26%
Solar	0%	0%	0%
Fuel oil, kerosene etc	0%	3.7%	1.7%
All other fuels	4.9%	7.8%	2.2%
No fuel used	1.6%	0.1%	0.5%
Selected characteristics
Lacking complete plumbing	0%	0.6%	0.4%
Lacking complete kitchen	0%	1.5%	0.9%
No telephone service available	3.3%	1.5%	0.8%

Housing Value

What owner-occupied units are worth

Median home value

$121,400

owner-occupied units

Median value(USD)

Senecaville

$121,400

Guernsey County

$157,700

Ohio

$214,800

Housing Cost Burden

20.9%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

20.9%

Owners without a mortgage

10.3%

Renters

36.4%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Senecaville	Guernsey County	Ohio
Property value
Median Value	$121,400	$157,700	$214,800
Under $100,000	36.5%	28.1%	16.3%
$100,000 - $200,000	51.7%	34.9%	29.7%
$200,000 - $300,000	9.3%	18.5%	23.3%
$300,000 - $500,000	1.3%	13.4%	21.8%
$500,000 - $1,000,000	0.7%	3.8%	7.7%
$1,000,000 and more	0.7%	1.2%	1.2%
Owner-occupied households
With a mortgage	47.7%	53%	60.6%
Without a mortgage	52.3%	47%	39.4%
Median monthly owner costs
With a mortgage	$1,130	$1,237	$1,517
Without a mortgage	$430	$505	$588
Gross rent
Median rent	$680	$864	$1,034

Education Profile

How educated is the community and how education pays off

Adults with a college degree

8.7%

of adults 25+ with a bachelor's degree or higher

Senecaville 8.7%

Guernsey County 15.6%

Ohio 31.5%

Adults without a high school diploma

15.1%

of adults (25+) without a high school diploma

Senecaville 15.1%

Guernsey County 13.2%

Ohio 8.1%

School Enrollment

Who is enrolled in school and at what level

School enrollment

population (age 3+) enrolled in school

Nursery / Preschool

8.1%

K–12

79%

College / Undergraduate

8.1%

Graduate / Professional

4.8%

College-going rate (18-24 yr olds)

21.7%

of 18-24-year-olds in college or graduate school

Senecaville

21.7%

Guernsey County

26.8%

Ohio

38.1%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Senecaville	Guernsey County	Ohio
Total enrolled (age 3+)	62	7,695	2,715,174
Nursery / preschool	8.1%	6.9%	6%
K–12	79%	77.9%	69.7%
Kindergarten	12.9%	4.6%	5.3%
Elementary: Grades 1–4	21%	22.9%	20.8%
Elementary: Grades 5–8	25.8%	26.6%	21.6%
High School: Grades 9–12	19.4%	23.9%	22.1%
College or graduate school	12.9%	15.2%	24.3%
College, undergraduate	8.1%	12.5%	19.1%
Graduate, professional school	4.8%	2.7%	5.2%
College-going rate · 18-24 yr olds	21.7%	26.8%	38.1%
School type
Public school	88.7%	80.3%	80.9%
Private school	11.3%	19.7%	19.1%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

310

population 25 years and over

Total adults (25+)

Less than 9th grade

1.6%

9th-12th, no diploma

13.5%

HS graduate

42.6%

Some college no degree

20.6%

Associates degree

12.9%

Bachelors degree

6.1%

Graduate or professional degree

2.6%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

0% · 100%

9th-12th, no diploma

61.9% · 38.1%

HS graduate

63.6% · 36.4%

Some college no degree

57.8% · 42.2%

Associates degree

35% · 65%

Bachelors degree

47.4% · 52.6%

Graduate or professional degree

12.5% · 87.5%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Senecaville	Guernsey County	Ohio
Population (25+)	310	26,959	8,162,216
Less than 9th grade	1.6%	4.9%	2.6%
9th–12th, no diploma	13.5%	8.3%	5.5%
High school diploma or GED	42.6%	41.9%	32.1%
Some college, no degree	20.6%	19.4%	19.3%
Associate's degree	12.9%	9.9%	9%
Bachelor's degree or higher	8.7%	15.6%	31.5%
Bachelor's degree	6.1%	10%	19.3%
Graduate or professional	2.6%	5.6%	12.2%
High School or higher	84.8%	86.8%	91.8%

Earnings by education level

percentage as applicable

Median Earnings

$53,194

Median earnings for adults 25+, by level

Less than HS graduate

$—

HS graduate

$44,688

Some college or associates

$54,722

Bachelors degree

$59,375

Graduate or professional degree

$60,000

Poverty Rate

7.4%

for ages 25+, with bachelors degree or higher

Less than HS graduate

42.6%

HS graduate

18.2%

Some college or associates

19.2%

Bachelors degree or higher

7.4%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Senecaville	Guernsey County	Ohio
Median earnings
Population 25+, with earnings	$53,194	$43,498	$50,614
Less than high school graduate	$—	$30,540	$32,025
High school graduate (includes equivalency)	$44,688	$37,676	$39,940
Some college or associate's degree	$54,722	$42,882	$45,998
Bachelor's degree	$59,375	$63,935	$66,950
Graduate or professional degree	$60,000	$62,830	$84,072
Poverty rates
Less than high school graduate	42.6%	30.4%	28.4%
High school graduate (includes equivalency)	18.2%	11.6%	14.2%
Some college or associate's degree	19.2%	11.5%	10.5%
Bachelor's degree or higher	7.4%	7%	4.2%

Insights for Senecaville, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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