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2025 Compare Cities People:
Horsham, PA vs Irmo, SC

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Highlights
- Irmo is 0% more densely populated than Horsham.
- People are 3.6% more likely to be married in Irmo.
- The Median Age is 3.5 years older in Irmo.
 Horsham, PAIrmo, SCUnited States
 Population  Unlock11,581329,725,481
 Female Population49.0%  Unlock50.5%
 Male Population51.0%  Unlock49.5%
 Median Age  Unlock39.638.4
 space3
 Population - 201014,413  Unlock309,327,143
 Population - 2000  Unlock11,039285,036,114
 Population - 199015,051  Unlock251,960,433
 Pop. 2000 to Now  Unlock15.4%15.6%
 Pop. 1990 to Now-1.3%  Unlock30.8%
 space4
 Population Density  Unlock1,714.493.4
 Land Area5.5  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Horsham, PAIrmo, SCUnited States
 Age 0 to 44.6%  Unlock5.9%
 Age 5 to 9  Unlock6.7%6.1%
 Age 10 to 148.9%  Unlock6.6%
 Age 15 to 17  Unlock4.6%3.9%
 Age 18 to 202.2%  Unlock4.0%
 Age 21 to 24  Unlock4.0%5.2%
 Age 25 to 3416.1%  Unlock13.8%
 Age 35 to 44  Unlock11.1%12.9%
 Age 45 to 549.0%  Unlock12.6%
 Age 55 to 59  Unlock11.8%6.7%
 Age 60 to 647.5%  Unlock6.3%
 Age 65 to 74  Unlock8.8%9.6%
 Age 75 to 843.8%  Unlock4.5%
 Age 85 and over  Unlock1.4%1.9%
 space1
 Race
 Horsham, PAIrmo, SCUnited States
 White71.2%  Unlock59.4%
 Black  Unlock25.6%12.2%
 Asian7.7%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races2.4%  Unlock3.2%
 Hispanic  Unlock2.5%18.4%
 space2
 Marriage & Family
 Horsham, PAIrmo, SCUnited States
 Married Population55.6%  Unlock49.8%
     Currently Married  Unlock56.8%48.0%
 Married but Separated2.5%  Unlock1.8%
 Single Population  Unlock42.3%50.2%
 Never Married31.7%  Unlock33.8%
 Divorced  Unlock9.6%10.8%
 Widowed4.8%  Unlock5.6%
 space5
 Household Size  Unlock2.532.60
 Households5,666  Unlock124,010,992
 Family Households  Unlock3,35080,755,759
     Married couple, w/children36.2%  Unlock30.5%
     Married couple, no children  Unlock54.2%42.9%
 Non Family Households1,777  Unlock43,255,233
     Single householder, w/children  Unlock15.7%15.8%
     Single householder, no children8.7%  Unlock10.8%
Voting
Reviews for Horsham    1 Reviews
Fred · Horsham, PA
Traffic in Horsham, Willow Grove, etc.
Over 19 years ago

The traffic in this area has got to be about the worst I've seen. Regardless of time of day, traffic crawls (this includes mid-afternoons during the week, Saturday  More

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Reviews for Irmo    9 Reviews
Stephen · Calera, AL
A hidden gem in an up and coming state.
Over 6 years ago

I grew up in near Annapolis MD but lived in both Savannah and Atlanta GA for twenty years. Moved to Columbia in 2009 working in IT for SC Dept of Education. Had an  More

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jmd · Irmo, SC
Evenly situated between the beach and the mountain
Over 13 years ago

...there's something for  More

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Thomas  · Irmo, SC
Moving to Irmo
Over 15 years ago

Any thing I should know about  More

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Learn More About Horsham, Pennsylvania
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