Housing data for Seneca, SC

Seneca, SC has an estimated 8,993 residents and 4,648 homes (US Census Bureau, 2020–2024 American Community Survey).

It is a city in Oconee County.

48.6% of households rent.

The median gross rent is $807 a month.

Its population grew measurably since 2015–2019 (+7.5%).

Figures last updated on .

Residents
8,993 (±78)
Housing units
4,648 (±361)
Households that rent
48.6%
Median gross rent
$807
Residents since 2015–2019
+7.5%

What stands out in Seneca

Households that rent: 48.6% (±8.1 points) in Seneca, higher than in Oconee County (23.8%).

Homes in buildings of 5 or more units: 18.1% (±5.3 points) in Seneca, higher than in Oconee County (5.1%).

Working from home: 4.4% (±2.1 points) in Seneca, lower than in Oconee County (9.9%).

Median real estate taxes: $1,175 (±$119) in Seneca, higher than in Oconee County ($899).

Housing in Seneca at a glance

Seneca against Oconee County, its state and the nation

Estimate (90% margin of error)
SenecaOconee CountySouth CarolinaUnited States
Residents8,993 (±78)80,469 (exact)5,296,225 (exact)334,922,499
Housing units4,648 (±361)42,100 (±55)2,443,039 (±311)143,775,355
Households that rent48.6% (±8.1 points)23.8% (±1.9 points)28.1% (±0.3 points)34.8%
Median gross rent$807 (±$113)$881 (±$38)$1,180 (±$9)$1,413
Median household income$52,022 (±$8,158)$62,388 (±$4,319)$69,324 (±$570)$80,734
Median home value$240,000 (±$13,939)$237,100 (±$9,039)$259,000 (±$1,421)$332,700
Median real estate taxes (a year)$1,175 (±$119)$899 (±$47)$1,251 (±$7)$3,119
Built before 198046.9% (±8.6 points)35.2% (±2.4 points)32.8% (±0.3 points)49.7%
Average commute16.0 minutes (±2.0)23.9 minutes (±1.1)25.6 minutes (±0.1)26.4 minutes
Households with broadband86.9% (±4.3 points)84.6% (±1.8 points)88.8% (±0.2 points)91.0%
Median age of residents39.6 years (±5.2)47.3 years (±0.5)40.2 years (±0.2)38.9 years

Seneca covers 8.4 square miles of land, about 1,075 residents per square mile (Census Bureau Gazetteer).

How Seneca has changed since 2015–2019

2015–2019 and 2020–2024 American Community Survey 5-year estimates
2015–20192020–2024Amount of changeVerdict
Residents8,368 (±38)8,993 (±78)+7.5%Measurable increase
Housing units4,592 (±345)4,648 (±361)+1.2%Not a measurable change
Median gross rent$693 (±$224)$807 (±$113)+16.5%No measurable change after inflation
Median home value$158,000 (±$12,449)$240,000 (±$13,939)+51.9%Up after inflation
Median household income$41,017 (±$3,894)$52,022 (±$8,158)+26.8%No measurable change after inflation
Median owner cost with a mortgage$1,074 (±$65)$1,313 (±$177)+22.3%No measurable change after inflation
Median real estate taxes$745 (±$90)$1,175 (±$119)+57.7%Up after inflation
Households that rent43.2% (±5.8 points)48.6% (±8.1 points)+5.4 percentage pointsNot a measurable change
Rental vacancy rate6.9% (±5.7 points)7.1% (±4.9 points)+0.2 percentage pointsNot a measurable change

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Crime reported to police in Seneca

In 2025, the Seneca Police Department reported 463 violent and 1,453 property crimes per 100,000 residents to the FBI.

Across Oconee County, the departments that report recorded 266 violent and 1,344 property crimes per 100,000 residents that year.

Places near Seneca

Nearest places with Census figures, by straight-line distance
PlaceDistanceMedian gross rentMedian home valueHouseholds that rent
Utica2.5 mi$1,073$145,40047.6%
West Union6.8 mi$758$147,70026.9%
Westminster7.2 mi$715$178,10032.1%
Clemson University7.4 mi——100.0%
Walhalla8.0 mi$669$171,90043.0%
Clemson8.8 mi$1,007$398,40065.7%
Keowee Key10 mi—$556,0001.1%
Pendleton11 mi$1,034$250,50047.3%

Places in South Carolina most like Seneca

PlaceMedian gross rentMedian home valueMedian household incomeHouseholds that rent
Florence$992$211,400$56,14341.6%
Sumter$1,076$199,100$55,59242.8%
Anderson$975$218,200$46,93348.9%
Laurens$833$180,700$49,24653.6%
Hartsville$874$205,600$49,27237.9%
Gaffney$887$137,700$41,08949.5%

Matched on rent, home value, income, the share who rent, the age of the homes, the share in apartment buildings and the commute, each measured against the spread across South Carolina.

HUD Fair Market Rent for Seneca, fiscal year 2027

Oconee County, SC, dollars a month
Studio1 bedroom2 bedrooms3 bedrooms4 bedrooms
$650$683$894$1,090$1,204

HUD income limits for Seneca, fiscal year 2026

Oconee County, SC, annual household income
Household sizeExtremely low (30%)Very low (50%)Low (80%)
1 person$18,700$31,100$49,800
2 people$21,640$35,550$56,900
3 people$27,320$40,000$64,000
4 people$33,000$44,450$71,100
5 people$38,680$48,050$76,800
6 people$44,360$51,600$82,500
7 people$50,040$55,150$88,200
8 people$55,720$58,700$93,900

These are the limits HUD sets for its housing programs in the Oconee County, SC, where HUD’s median family income for fiscal year 2026 is $90,100.

A program can use its own limits; tax-credit and local programs often do.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Seneca

What is the average rent in Seneca, SC?

The Census Bureau publishes the median rather than the average: the median gross rent in Seneca is $807 (±$113) a month (2020–2024 American Community Survey), so half of renting households pay less and half pay more.

How much is a one-bedroom apartment in Seneca?

The median gross rent for a one-bedroom home in Seneca, SC is $434 (±$56) a month (2020–2024 American Community Survey).

Are renters in Seneca rent-burdened?

51.6% of renting households in Seneca pay 30% or more of their income in gross rent, the share housing researchers usually call rent-burdened (2020–2024 American Community Survey).

How many renters are there in Seneca?

Seneca has an estimated 1,984 (±396) renting households, 48.6% of its occupied homes (2020–2024 American Community Survey).

What is the median household income in Seneca?

The median household income in Seneca is $52,022 (±$8,158) a year (2020–2024 American Community Survey).

What is the average home value in Seneca, SC?

The Census Bureau publishes the median: $240,000 (±$13,939) for owner-occupied homes in Seneca (2020–2024 American Community Survey).

Is Seneca growing?

In Seneca, the number of residents went from 8,368 in 2015–2019 to 8,993 in 2020–2024 (+7.5%), a measurable increase.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Seneca city, South Carolina (place:65095, in state:45).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.

Figures last updated on .

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