Borough · Pennsylvania
Sligo, Pennsylvania
Sligo, borough, in Clarion County, Pennsylvania. Sligo had 666 residents on July 1, 2025 by the Census Bureau's estimate, down 1.9% since 2020; the 2020 Census counted 681 and the ACS 2020-2024 5-year estimates put it at 731 (±137). GEOID 4271176.
Residents, July 2025 estimate
666
Census Bureau estimate (no margin published)
2020 Census count: 681 · ACS 2020-2024: 731 ±137
Median household income
$52,679
±$7,550 (90% margin)
Pennsylvania: $77,971
Median home value
$106,600
±$7,666 (90% margin)
Pennsylvania: $254,500
Median gross rent
$770
±$74 (90% margin)
Pennsylvania: $1,209
Where is Sligo and what county is it in?
Sligo is a borough in Clarion County, Pennsylvania. It covers 1.4 square miles of land, 484 residents per square mile in 2020.
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Sligo, and is it growing?
The Census Bureau estimates that 666 people lived in Sligo on July 1, 2025, down 1.9% since 2020, while Pennsylvania grew 0.4%. The 2020 Census counted 681 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 731 (±137).
| Measure | Sligo | Clarion County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 731 ±137 | 37,179 | +240 |
| Households | 317 ±51 | 15,049 | +107 |
| Average household size | 2.31 ±0.26 | 2.36 | no clear change |
| Housing units | 355 ±54 | 18,856 | +103 |
Sligo's population since 2000
From 728 in 2000 to 666 in 2025: down 8.5%. The 2000, 2010 and 2020 figures are census counts, each for Sligo as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Sligo?
The median resident of Sligo is 46.2 years old; 17.4% are under 18 and 17.8% are 65 or older. The largest group is non-Hispanic white residents at 91.2%, then non-Hispanic residents of two or more races at 8.5%.
| Measure | Sligo | Clarion County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 46.2 ±6.9 | 41.7 | no clear change |
| Under 18 years | 17.4% ±3.9 pts | 19.0% | – |
| 65 years and over | 17.8% ±4.2 pts | 20.6% | – |
| Male | 49.7% ±3.8 pts | 49.5% | – |
| Hispanic or Latino (any race) | 0.1% ±0.2 pts | 1.2% | – |
| White alone, not Hispanic | 91.2% ±10.5 pts | 94.1% | no clear change |
| Black or African American alone, not Hispanic | 0.0% ±4.3 pts | 1.6% | – |
| Asian alone, not Hispanic | 0.0% ±4.3 pts | 0.7% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.5 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±4.3 pts | 0.0% | – |
| Two or more races, not Hispanic | 8.5% ±10.4 pts | 2.3% | – |
| Some other race alone, not Hispanic | 0.0% ±4.3 pts | 0.2% | – |
| Born outside the United States | 0.4% ±0.7 pts | 1.0% | – |
| Speak a language other than English at home (age 5+) | 0.7% ±0.8 pts | 3.3% | – |
| Civilian veterans (age 18+) | 4.0% ±1.5 pts | 7.3% | – |
| With a disability | 17.2% ±5.8 pts | 15.2% | – |
| No health insurance coverage | 1.2% ±1.0 pts | 6.1% | – |
| High school graduate or higher (age 25+) | 89.3% ±5.4 pts | 91.3% | – |
| Bachelor's degree or higher (age 25+) | 17.3% ±8.6 pts | 23.6% | no clear change |
| Graduate or professional degree (age 25+) | 7.0% ±5.6 pts | 8.7% | – |
| Lived in the same house a year earlier | 92.0% ±4.0 pts | 88.2% | – |
| Moved from another state in the past year | 1.0% ±1.0 pts | 1.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Sligo earn?
Half of Sligo's 317 households earn less than $52,679 a year (±$7,550), against $62,649 in Clarion County and $77,971 in Pennsylvania. In 2015-2019 it was $46,920 in 2024 dollars; the margins of error cannot tell the two periods apart. 20.5% of residents live below the poverty line.
| Measure | Sligo | Clarion County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $52,679 ±$7,550 | $62,649 | no clear change |
| Mean household income | $69,747 ±$12,309 | $78,991 | – |
| Per capita income | $30,610 ±$5,834 | $32,832 | no clear change |
| People below the poverty line | 20.5% ±8.6 pts | 13.1% | no clear change |
| Children under 18 below the poverty line | 37.0% ±15.8 pts | 13.9% | no clear change |
| Households receiving SNAP | 27.4% ±10.0 pts | 15.7% | – |
| Households with a computer | 87.7% ±5.4 pts | 90.6% | – |
| Households with a broadband subscription | 81.1% ±6.7 pts | 85.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Sligo?
Owners occupy 60.3% of Sligo's occupied homes and renters 39.7%. The median owner-occupied home is valued at $106,600 by its owner (±$7,666). The median renter pays $770 a month including utilities, and 29.5% of renters pay 35% or more of their income on rent.
| Measure | Sligo | Clarion County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $106,600 ±$7,666 | $155,700 | no clear change |
| Median gross rent | $770 ±$74 | $798 | no clear change |
| Renters paying 35% or more of income on rent | 29.5% ±18.0 pts | 38.7% | no clear change |
| Median monthly owner costs, with a mortgage | $989 ±$127 | $1,210 | – |
| Owner-occupied homes | 60.3% ±9.7 pts | 72.5% | no clear change |
| Renter-occupied homes | 39.7% ±9.7 pts | 27.5% | – |
| Housing units | 355 ±54 | 18,856 | +103 |
| Homeowner vacancy rate | 0.0% ±15.6 pts | 0.6% | – |
| Rental vacancy rate | 4.5% ±6.9 pts | 8.6% | – |
| Single-family detached homes | 72.4% ±10.0 pts | 75.5% | – |
| Mobile homes | 20.6% ±9.3 pts | 10.3% | – |
| Built 2020 or later | 0.6% ±0.7 pts | 0.5% | – |
| Built 2010 to 2019 | 1.4% ±1.3 pts | 4.2% | – |
| Built 1939 or earlier | 32.4% ±7.1 pts | 25.7% | – |
| Households with no vehicle | 10.7% ±5.6 pts | 6.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Sligo building?
Builders took permits for 0 new housing units in Sligo in 2025 (0 in single-family houses), 0.0 per 1,000 residents against 2.0 across Pennsylvania.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Sligo work and get to work?
76.8% of Sligo's workers drive alone and 3.5% work from home. The average trip to work takes 36.0 minutes. The unemployment rate in 2020-2024 averaged 6.5%.
| Measure | Sligo | Clarion County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 55.8% ±9.3 pts | 59.8% | – |
| Unemployment rate | 6.5% ±4.2 pts | 5.1% | no clear change |
| Drove alone to work | 76.8% ±7.4 pts | 77.1% | – |
| Carpooled | 12.4% ±5.6 pts | 8.5% | – |
| Public transportation | 0.0% ±9.8 pts | 0.0% | – |
| Walked | 3.8% ±3.2 pts | 4.5% | – |
| Worked from home | 3.5% ±2.1 pts | 8.6% | – |
| Mean travel time to work | 36.0 min ±8.4 | 24.6 min | +10.8 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Sligo?
No census tract lies mostly in Sligo; 1 tract reaches into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 1605Clarion County | 3,740 | $62,734 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Sligo) · Census block assignment files
How does Sligo compare with other places in Pennsylvania?
By the Census Bureau's July 2025 estimates, Sligo is the 12,043rd-most populous of the 19,476 U.S. incorporated places that have one and the 698th-most populous of 1,012 in Pennsylvania.
Sligo is not ranked by income or the other survey measures: those rankings include places of 1,000 or more residents (2020 Census) with a reliable estimate.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 698th | 1,012 |
Sligo's figures with every place in Pennsylvania (CSV)
Every place in Pennsylvania, sortable · Compare Sligo with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Sligo?
18 of the 57 figures for Sligo on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Sligo are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Sligo.