Lake Seneca, OH demographics:
population, income, and more

Total population
532
-4.7% year-over-year change
Median household income
$86,202/yr
2.8% year-over-year change
Housing units
244
-9.0% year-over-year change

Lake Seneca population

How many people live in Lake Seneca

Lake Seneca is home to 532 residents, according to the most recent Census data. Gender-wise, 51.7% of Lake Seneca locals are male, and 48.3% are female.

Total population
532
-4.7% year-over-year change
Gender ratio
Male
51.7%
275
Female
48.3%
257
Value Percent YoY change
Male 275 51.7% 6.2%
Female 257 48.3% -14.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Lake Seneca is 53, with the population distributed as follows: about 9% are children under 15, then 7.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 21% of the population, while another 28.2% fall into the 45 to 64 bracket. Finally, around 34% are 65 or older.

Median age
52.7
Age breakdown
Under 15
9%
15 to 24
7.7%
25 to 44
21%
45 to 64
28.2%
Over 65
34%
Value Percent YoY change
Under 15 48 9% -30.4%
15 to 24 41 7.7% 20.6%
25 to 44 112 21% 4.7%
45 to 64 150 28.2% -2.0%
Over 65 181 34% -7.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

There’s also a share of 2.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
100%
Non-U.S.-born citizens
0%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 532 100% 0.4%
Racial breakdown
White
97.7%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
2.3%
Other
0%
Value Percent
White 520 97.7%
Two or more races 12 2.3%

Households in Lake Seneca

A peek inside Lake Seneca households

Lake Seneca has 215 households, with an average of 2 members in each. Of these, 79.5% are families, while the remaining 20.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
215
-2.3% year-over-year change
Average people per household
2
Non-family households
44
Family households
171
Value Percent YoY change
Non-family households 44 20.5% 22.2%
Family households 171 79.5% -7.1%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Lake Seneca

The housing landscape of Lake Seneca

Lake Seneca's housing consists of 244 units, with 89.8% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 10.2% of the housing landscape.

Housing units
244
-9.0% year-over-year change
Housing types
Value Percent
1 unit, detached 219 89.8%
Mobile home 25 10.2%
Homes built since 2020
0
% year-over-year change

The age of buildings in Lake Seneca

In Lake Seneca, the median construction year is 1994. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built between 1960 and 1969 25 10.2% 4.2%
Built between 1970 and 1979 65 26.6% -5.8%
Built between 1980 and 1989 6 2.5% -60.0%
Built between 1990 and 1999 74 30.3% 21.3%
Built between 2000 and 2009 27 11.1% -60.3%
Built between 2010 and 2019 47 19.3% 51.6%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Lake Seneca occupancy rates

Out of the 215 occupied housing units in Lake Seneca, 96.7% are owner-occupied, while 3.3% are lived in by tenants. Meanwhile, 11.9% of all homes on the local market sit vacant.

Occupied housing units
215
-2.3% year-over-year change
Occupancy breakdown
Renter occupied
7
Owner occupied
208
Value Percent YoY
change
Renter occupied 7 3.3% -22.2%
Owner occupied 208 96.7% -1.4%
Unoccupied housing units
11.9%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Lake Seneca housing costs

Median housing costs per month
$897/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.

Education in Lake Seneca

Lake Seneca education at a glance

About 45.3% of the population in Lake Seneca went to high school, while 34.5% pursued college studies. Another 8% earned an associate degree and 9.1% hold a bachelor’s. Meanwhile, 3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 209 45.3% 3.5%
College diploma 159 34.5% 54.4%
Associate degree 37 8% -33.9%
Bachelor's degree 42 9.1% -39.1%
Graduate degree 14 3% -65.8%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Lake Seneca

How much people earn in Lake Seneca

The average annual household income in Lake Seneca was $102,185 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5.2% change from the previous year. At the same time, the median income stood at $86,202, reflecting a +2.8% shift over the same period.

Average household income in Lake Seneca
$102,185/year
5.2% year-over-year change
Median household income in Lake Seneca
$86,202/year
2.8% year-over-year change

Lake Seneca income by age

In Lake Seneca, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $88,816. Overall, 93.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $88,816 2.8%
Over 65 $85,529 7.2%
Above poverty level
481
Below poverty level
32
Value Percent YoY
change
Above poverty level 481 93.8% -6.0%
Below poverty level 32 6.2% 6.7%

Employment in Lake Seneca

Workforce and job types in Lake Seneca

The job market in Lake Seneca is powered by 261 working residents, spread across a range of industries and roles. 73.2% of the working population are employed in professional or administrative positions, while 26.8% are in hands-on or service-based jobs. Also, 8% run their own businesses, 74.7% are employed by private companies, and 4.6% work in the public sector.

Workforce demographics

Working population
261
7.4% year-over-year change
White collar
191
Blue collar
70
Value Percent YoY change
White collar 191 73.2% -4.0%
Blue collar 70 26.8% 59.1%
Employer type
Self employees
8%
Private companies
74.7%
Governmental workers
4.6%
Not for profit companies
12.6%
Value Percent YoY change
Self employees 21 8% 110.0%
Private companies 195 74.7% 19.6%
Governmental workers 12 4.6% -75.0%
Not for profit companies 33 12.6% 50.0%

Transportation in Lake Seneca

How people get around in Lake Seneca

Means of transportation
Value Percent YoY change
Car 238 91.2% 7.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

Explore more communities

FAQs about Lake Seneca demographics 

What is the total population of Lake Seneca?

Lake Seneca has a total population of 532 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -4.7% compared to a year ago.

What is the gender ratio in Lake Seneca?

The gender ratio in Lake Seneca is as follows:
  • 51.7% males (275 residents)
  • 48.3% females (257 residents)

What is the median age in Lake Seneca?

The median age in Lake Seneca is 52.7.

What is the age distribution of the population in Lake Seneca?

The age distribution in Lake Seneca is as follows:
  • Under 15: 9% (48 residents)
  • Ages 15-24: 7.7% (41 residents)
  • Ages 25-44: 21% (112 residents)
  • Ages 45-64: 28.2% (150 residents)
  • Over 65: 34% (181 residents)

What is the racial and ethnic makeup of Lake Seneca?

The racial and ethnic makeup of Lake Seneca is as follows:
  • White: 97.7% (520 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 2.3% (12 residents)
  • Other: 0% (0 residents)

What percentage of the population in Lake Seneca are U.S.-born citizens?

U.S.-born citizens represent 100% of the population in Lake Seneca.

How many housing units are there in Lake Seneca?

There are 244 housing units in Lake Seneca, reflecting a -9.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Lake Seneca and what is the average household size?

Lake Seneca has a total of 215 households, with an average of 2 people in each.

What is the median household income in Lake Seneca?

Lake Seneca has a median household income of $86,202, representing a +2.8% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Lake Seneca?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 73.2% (191 residents)
  • Blue-collar workers: 26.8% (70 residents)

Places of employment:
  • Self-employed: 8% (21 residents)
  • Private companies: 74.7% (195 residents)
  • Governmental workers: 4.6% (12 residents)
  • Not-for-profit companies: 12.6% (33 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025