Columbia SC vs Seattle WA — Cost of Living, Crime & Income Comparison 2026
Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)
Columbia, SC
South Carolina · Population: 138,019
- Median HH Income$55,653
- Median Home Price$229,993
- Unemployment7.6%
- Bachelor's+46.1%
Seattle, WA
Washington · Population: 741,440
- Median HH Income$121,984
- Median Home Price$871,599
- Unemployment4.2%
- Bachelor's+67.5%
Detailed Comparison
Demographics
Population
Columbia
138,019
Seattle
741,440
Seattle +
Pop. Density / sq mi
Lower = more space
Columbia
N/A
Seattle
N/A
Median Age
Columbia
28.7
Columbia +
Seattle
35.5
Foreign Born
Columbia
5.1%
Seattle
19.9%
Seattle +
White
Columbia
49.9%
Seattle
61.8%
Seattle +
Black
Columbia
39.5%
Columbia +
Seattle
6.6%
Asian
Columbia
2.7%
Seattle
17.2%
Seattle +
Hispanic
Columbia
5.7%
Seattle
8.2%
Seattle +
Spanish at Home
Columbia
N/A
Seattle
N/A
| Metric | Columbia, SC | Seattle, WA | Better |
|---|---|---|---|
| Population | 138,019 | 741,440 | Seattle + |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 28.7 | 35.5 | Columbia + |
| Foreign Born | 5.1% | 19.9% | Seattle + |
| White | 49.9% | 61.8% | Seattle + |
| Black | 39.5% | 6.6% | Columbia + |
| Asian | 2.7% | 17.2% | Seattle + |
| Hispanic | 5.7% | 8.2% | Seattle + |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Columbia
$55,653
Seattle
$121,984
Seattle +
Per Capita Income
Columbia
$38,087
Seattle
$82,508
Seattle +
Per Capita Personal Income (MSA)
BEA MSA-level
Columbia
$54,550
Seattle
$76,120
Seattle +
Unemployment Rate
Columbia
7.6%
Seattle
4.2%
Seattle +
Poverty Rate
Columbia
23.3%
Seattle
9.9%
Seattle +
Bachelor's Degree+
Columbia
46.1%
Seattle
67.5%
Seattle +
| Metric | Columbia, SC | Seattle, WA | Better |
|---|---|---|---|
| Median HH Income | $55,653 | $121,984 | Seattle + |
| Per Capita Income | $38,087 | $82,508 | Seattle + |
| Per Capita Personal Income (MSA)BEA MSA-level | $54,550 | $76,120 | Seattle + |
| Unemployment Rate | 7.6% | 4.2% | Seattle + |
| Poverty Rate | 23.3% | 9.9% | Seattle + |
| Bachelor's Degree+ | 46.1% | 67.5% | Seattle + |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Columbia
$229,993
Columbia +
Seattle
$871,599
Homeownership Rate
Columbia
47.3%
Columbia +
Seattle
44.3%
| Metric | Columbia, SC | Seattle, WA | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $229,993 | $871,599 | Columbia + |
| Homeownership Rate | 47.3% | 44.3% | Columbia + |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Columbia
398
Seattle
383
Seattle +
Property Crime / 100K
FBI CDE (state-level est.)
Columbia
1999
Columbia +
Seattle
3409
| Metric | Columbia, SC | Seattle, WA | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 398 | 383 | Seattle + |
| Property Crime / 100KFBI CDE (state-level est.) | 1999 | 3409 | Columbia + |
Health
Obesity Rate
CDC PLACES
Columbia
34.4%
Seattle
22.2%
Seattle +
Diabetes Rate
CDC PLACES
Columbia
12.1%
Seattle
6.1%
Seattle +
Poor Mental Health
CDC PLACES — 14+ days/month
Columbia
19.2%
Seattle
15.3%
Seattle +
No Health Insurance
CDC PLACES
Columbia
13.2%
Seattle
6.1%
Seattle +
Binge Drinking
CDC PLACES
Columbia
17.7%
Columbia +
Seattle
19.0%
Current Smokers
CDC PLACES
Columbia
13.0%
Seattle
6.5%
Seattle +
| Metric | Columbia, SC | Seattle, WA | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 34.4% | 22.2% | Seattle + |
| Diabetes RateCDC PLACES | 12.1% | 6.1% | Seattle + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 19.2% | 15.3% | Seattle + |
| No Health InsuranceCDC PLACES | 13.2% | 6.1% | Seattle + |
| Binge DrinkingCDC PLACES | 17.7% | 19.0% | Columbia + |
| Current SmokersCDC PLACES | 13.0% | 6.5% | Seattle + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Columbia
66.7°F
Seattle
52.6°F
Seattle +
Annual Precipitation
NOAA 1991–2020 normal
Columbia
46.3 in
Seattle
37.5 in
Seattle +
| Metric | Columbia, SC | Seattle, WA | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | 66.7°F | 52.6°F | Seattle + |
| Annual PrecipitationNOAA 1991–2020 normal | 46.3 in | 37.5 in | Seattle + |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Columbia
8.6 µg/m³
Seattle
7.5 µg/m³
Seattle +
Good Air Days
AQI ≤ 50
Columbia
75.0%
Seattle
75.0%
Tie
| Metric | Columbia, SC | Seattle, WA | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 8.6 µg/m³ | 7.5 µg/m³ | Seattle + |
| Good Air DaysAQI ≤ 50 | 75.0% | 75.0% | Tie |
Commute
Mean Commute Time
Census ACS
Columbia
18.6 min
Columbia +
Seattle
28.8 min
| Metric | Columbia, SC | Seattle, WA | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 18.6 min | 28.8 min | Columbia + |
Which City is Right for You?
Seattle leads in median household income at $121,984, while columbia offers more affordable housing with a median home price of $229,993. On public safety, Seattle is safer with a violent crime rate of 383 per 100,000 residents, compared to 398 in Columbia. Seattle has a lower unemployment rate at 4.2%, and Seattle has cleaner air (PM2.5 avg 7.5 µg/m³). For overall health outcomes, Seattle scores better with a lower obesity rate of 22.2%.
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