Quincy MA vs Simi Valley CA — Cost of Living, Crime & Income Comparison 2026

Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)

Quincy, MA

Massachusetts · Population: 101,361

Median HH Income$95,711
Median Home Price$679,883
Unemployment7.1%
Bachelor's+48.6%

Simi Valley, CA

California · Population: 125,769

Median HH Income$117,703
Median Home Price$839,862
Unemployment4.5%
Bachelor's+37.5%

Detailed Comparison

Demographics

Population

Quincy

101,361

Simi Valley

125,769

Simi Valley +

Pop. Density / sq mi

Lower = more space

Quincy

N/A

Simi Valley

N/A

Median Age

Quincy

39.0

Quincy +

Simi Valley

41.8

Foreign Born

Quincy

32.7%

Quincy +

Simi Valley

18.2%

White

Quincy

55.6%

Simi Valley

63.3%

Simi Valley +

Black

Quincy

6.5%

Quincy +

Simi Valley

1.4%

Asian

Quincy

29.2%

Quincy +

Simi Valley

10.7%

Hispanic

Quincy

5.8%

Simi Valley

27.1%

Simi Valley +

Spanish at Home

Quincy

N/A

Simi Valley

N/A

Metric	Quincy, MA	Simi Valley, CA	Better
Population	101,361	125,769	Simi Valley +
Pop. Density / sq miLower = more space	N/A	N/A	-
Median Age	39.0	41.8	Quincy +
Foreign Born	32.7%	18.2%	Quincy +
White	55.6%	63.3%	Simi Valley +
Black	6.5%	1.4%	Quincy +
Asian	29.2%	10.7%	Quincy +
Hispanic	5.8%	27.1%	Simi Valley +
Spanish at Home	N/A	N/A	-

Economy

Median HH Income

Quincy

$95,711

Simi Valley

$117,703

Simi Valley +

Per Capita Income

Quincy

$53,273

Simi Valley

$53,828

Simi Valley +

Per Capita Personal Income (MSA)

BEA MSA-level

Quincy

$85,405

Quincy +

Simi Valley

$77,230

Unemployment Rate

Quincy

7.1%

Simi Valley

4.5%

Simi Valley +

Poverty Rate

Quincy

11.4%

Simi Valley

6.7%

Simi Valley +

Bachelor's Degree+

Quincy

48.6%

Quincy +

Simi Valley

37.5%

Metric	Quincy, MA	Simi Valley, CA	Better
Median HH Income	$95,711	$117,703	Simi Valley +
Per Capita Income	$53,273	$53,828	Simi Valley +
Per Capita Personal Income (MSA)BEA MSA-level	$85,405	$77,230	Quincy +
Unemployment Rate	7.1%	4.5%	Simi Valley +
Poverty Rate	11.4%	6.7%	Simi Valley +
Bachelor's Degree+	48.6%	37.5%	Quincy +

Housing

Median Home Value

Zillow ZHVI / Census ACS

Quincy

$679,883

Quincy +

Simi Valley

$839,862

Homeownership Rate

Quincy

45.0%

Simi Valley

73.0%

Simi Valley +

Metric	Quincy, MA	Simi Valley, CA	Better
Median Home ValueZillow ZHVI / Census ACS	$679,883	$839,862	Quincy +
Homeownership Rate	45.0%	73.0%	Simi Valley +

Safety

Violent Crime / 100K

FBI CDE (state-level est.)

Quincy

326

Quincy +

Simi Valley

503

Property Crime / 100K

FBI CDE (state-level est.)

Quincy

1086

Quincy +

Simi Valley

2388

Metric	Quincy, MA	Simi Valley, CA	Better
Violent Crime / 100KFBI CDE (state-level est.)	326	503	Quincy +
Property Crime / 100KFBI CDE (state-level est.)	1086	2388	Quincy +

Health

Obesity Rate

CDC PLACES

Quincy

22.9%

Quincy +

Simi Valley

24.4%

Diabetes Rate

CDC PLACES

Quincy

10.1%

Quincy +

Simi Valley

10.3%

Poor Mental Health

CDC PLACES — 14+ days/month

Quincy

15.5%

Quincy +

Simi Valley

16.3%

No Health Insurance

CDC PLACES

Quincy

4.9%

Quincy +

Simi Valley

7.4%

Binge Drinking

CDC PLACES

Quincy

15.6%

Quincy +

Simi Valley

16.3%

Current Smokers

CDC PLACES

Quincy

11.0%

Simi Valley

10.1%

Simi Valley +

Metric	Quincy, MA	Simi Valley, CA	Better
Obesity RateCDC PLACES	22.9%	24.4%	Quincy +
Diabetes RateCDC PLACES	10.1%	10.3%	Quincy +
Poor Mental HealthCDC PLACES — 14+ days/month	15.5%	16.3%	Quincy +
No Health InsuranceCDC PLACES	4.9%	7.4%	Quincy +
Binge DrinkingCDC PLACES	15.6%	16.3%	Quincy +
Current SmokersCDC PLACES	11.0%	10.1%	Simi Valley +

Climate

Avg Annual Temp

NOAA 1991–2020 normal

Quincy

N/A

Simi Valley

N/A

Annual Precipitation

NOAA 1991–2020 normal

Quincy

N/A

Simi Valley

N/A

Metric	Quincy, MA	Simi Valley, CA	Better
Avg Annual TempNOAA 1991–2020 normal	N/A	N/A	-
Annual PrecipitationNOAA 1991–2020 normal	N/A	N/A	-

Air Quality

PM2.5 Annual Avg

EPA AQS (state-level est.)

Quincy

7.2 µg/m³

Quincy +

Simi Valley

7.9 µg/m³

Good Air Days

AQI ≤ 50

Quincy

75.0%

Simi Valley

75.0%

Tie

Metric	Quincy, MA	Simi Valley, CA	Better
PM2.5 Annual AvgEPA AQS (state-level est.)	7.2 µg/m³	7.9 µg/m³	Quincy +
Good Air DaysAQI ≤ 50	75.0%	75.0%	Tie

Commute

Mean Commute Time

Census ACS

Quincy

37.6 min

Simi Valley

31.0 min

Simi Valley +

Metric	Quincy, MA	Simi Valley, CA	Better
Mean Commute TimeCensus ACS	37.6 min	31.0 min	Simi Valley +

Which City is Right for You?

Simi Valley leads in median household income at $117,703, while quincy offers more affordable housing with a median home price of $679,883. On public safety, Quincy is safer with a violent crime rate of 326 per 100,000 residents, compared to 503 in Simi Valley. Simi Valley has a lower unemployment rate at 4.5%, and Quincy has cleaner air (PM2.5 avg 7.2 µg/m³). For overall health outcomes, Quincy scores better with a lower obesity rate of 22.9%.

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About Quincy & Simi Valley

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