Simi Valley vs Nampa: Cost of Living Comparison

Side-by-side cost comparison across 38 categories. Updated March 2026.

CA
Simi Valley
148
Cost Index
Pop: 126KIncome: $100K
VS
52% diff
ID
Nampa
96
Cost Index
Pop: 109KIncome: $51K
More Affordable
Nampa
Simi Valley Wins
5/38
Nampa Wins
33/38
Net Advantage
Simi Valley saves ~$6,320/mo

Simi Valley and Nampa attract different kinds of residents, but people weighing one against the other is surprisingly common. Our data shows Nampa is the more affordable option by 52%, though Simi Valley often compensates with higher wages in key industries. Below, we compare every major cost category so you can decide based on your own priorities โ€” not someone else's spreadsheet.

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Overall Cost of Living Comparison

CategorySimi ValleyNampaDifference
OverallDBNampa +24pts
HousingFB+Nampa +37pts
FoodDB+Nampa +19pts
HealthcareDB+Nampa +18pts
TransportationDBNampa +23pts
UtilitiesDC+Nampa +17pts

Rent, Food, and Utility Differences

๐Ÿ 

Housing

172
Simi Valley
Nampa saves 46%
93
Nampa

Housing costs are primarily driven by local real estate markets and land values.

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Food & Groceries

133
Simi Valley
Nampa saves 33%
89
Nampa

Food & Groceries costs are primarily driven by local supply chains and regional agriculture.

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Healthcare

127
Simi Valley
Nampa saves 24%
97
Nampa

Healthcare costs are primarily driven by local provider networks and state regulations.

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Transportation

141
Simi Valley
Nampa saves 35%
92
Nampa

Transportation costs are primarily driven by local public transit availability and fuel costs.

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Utilities

131
Simi Valley
Nampa saves 29%
93
Nampa

Utilities costs are primarily driven by local energy sources and climate demands.

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Services

154
Simi Valley
Nampa saves 37%
97
Nampa

Services costs are primarily driven by local labor markets and demand density.

Key Cost Comparisons

Roof ReplacementNampa saves $6,261
Simi Valley
$15,680
Nampa
$9,419
Start a RestaurantNampa saves $303,285
Simi Valley
$718,263
Nampa
$414,978
Cost of LivingNampa saves $2,829
Simi Valley
$6,547
Nampa
$3,718
Rent PricesNampa saves $1,011
Simi Valley
$2,930
Nampa
$1,919
Car InsuranceNampa saves $245
Simi Valley
$2,307
Nampa
$2,062
Software Developer Salary (higher = better)Simi Valley pays $39,935 more
Simi Valley
$149,704
Nampa
$109,769

Cost of Living

Simi Valley: 0Nampa: 5
CategorySimi ValleyNampaDiffWinner
Cost of Living$6,547$3,71843%Nampa (lower cost)
Rent Prices$2,930$1,91935%Nampa (lower cost)
Grocery Costs$632$45528%Nampa (lower cost)
Utility Costs$337$22533%Nampa (lower cost)
Transportation Costs$548$30944%Nampa (lower cost)

Home Services

Simi Valley: 0Nampa: 10
CategorySimi ValleyNampaDiffWinner
Roof Replacement$15,680$9,41940%Nampa (lower cost)
HVAC Installation$12,749$7,53841%Nampa (lower cost)
Plumbing Services$498$31237%Nampa (lower cost)
Electrical Work$534$31242%Nampa (lower cost)
Kitchen Remodel$52,880$33,38437%Nampa (lower cost)
Bathroom Remodel$18,679$13,89826%Nampa (lower cost)
House Painting$9,006$5,21042%Nampa (lower cost)
Flooring Installation$4,789$3,09035%Nampa (lower cost)
Landscaping$4,481$3,42424%Nampa (lower cost)
Fence Installation$5,368$2,93645%Nampa (lower cost)

Business Startup Costs

Simi Valley: 0Nampa: 10
CategorySimi ValleyNampaDiffWinner
Start a Restaurant$718,263$414,97842%Nampa (lower cost)
Start a Coffee Shop$299,953$192,97436%Nampa (lower cost)
Start a Food Truck$166,019$120,41327%Nampa (lower cost)
Start a Gym$394,433$251,30936%Nampa (lower cost)
Start a Daycare$71,423$59,81016%Nampa (lower cost)
Start a Hair Salon$414,869$236,05443%Nampa (lower cost)
Start a Laundromat$534,450$379,13829%Nampa (lower cost)
Start a Bakery$185,604$77,78458%Nampa (lower cost)
Start a Bar$792,768$357,57755%Nampa (lower cost)
Start a Cleaning Business$20,168$16,64717%Nampa (lower cost)

Insurance

Simi Valley: 0Nampa: 4
CategorySimi ValleyNampaDiffWinner
Car Insurance$2,307$2,06211%Nampa (lower cost)
Home Insurance$3,253$2,39926%Nampa (lower cost)
Health Insurance$801$52634%Nampa (lower cost)
Business Insurance$2,369$1,38242%Nampa (lower cost)

Salaries & Jobs

Simi Valley: 5Nampa: 0
CategorySimi ValleyNampaDiffWinner
Software Developer Salary$149,704/yr$109,769/yr27%Simi Valley (higher pay)
Registered Nurse Salary$97,545/yr$67,346/yr31%Simi Valley (higher pay)
Teacher Salary$79,561/yr$61,386/yr23%Simi Valley (higher pay)
Electrician Salary$90,732/yr$73,885/yr19%Simi Valley (higher pay)
Plumber Salary$92,172/yr$66,729/yr28%Simi Valley (higher pay)

Which City Gives You More Buying Power?

The "better" city depends on your situation. Here's how different profiles stack up:

๐Ÿ’ป

Remote Worker

โ†’ Nampa

If your salary doesn't depend on location, Nampa's 52% lower costs translate directly into more savings or disposable income. Your paycheck goes further without a pay cut.

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Young Professional

โ†’ Simi Valley

Simi Valley's higher costs often come with a stronger job market and faster career progression. The salary premium in competitive industries can offset the higher expenses.

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Family with Kids

โ†’ Nampa

Families face multiplied costs โ€” housing, groceries, healthcare, and transportation all scale with household size. Nampa's 52% advantage compounds across every budget category.

๐Ÿช

Small Business Owner

โ†’ Nampa

Lower operating costs in Nampa mean lower break-even points. Rent, utilities, insurance, and labor all come in cheaper, giving new businesses more runway to reach profitability.

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Retiree

โ†’ Nampa

On a fixed income, every percentage point matters. Nampa's lower healthcare, housing, and everyday costs help retirement savings last longer.

Salary Equivalent Between Cities

Nampa is 52% more affordable overall

Nampa wins 33 out of 38 cost categories.Simi Valley has higher costs but wins 5 categories โ€” typically due to higher wages and urban demand.

Simi Valley
148
Nampa
96

Explore Each City

Simi Valley, CA
Pop: 126K | Index: 148
View all costs โ†’
Nampa, ID
Pop: 109K | Index: 96
View all costs โ†’

Explore Specific Costs

Dive deeper into specific cost topics for each city:

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Frequently Asked Questions

Is Simi Valley or Nampa more affordable in 2026?

Nampa is 52% more affordable than Simi Valley overall. Nampa wins 33 out of 38 cost categories. However, Simi Valley may offer higher salaries in certain industries that can offset higher living costs.

What is the cost of living index for Simi Valley vs Nampa?

Simi Valley's cost of living index is 148; Nampa's is 96. A score of 100 represents the national average. Simi Valley is above average; Nampa is below average. These figures are derived from BLS and Census data.

How do housing costs compare between Simi Valley and Nampa?

Housing is typically the biggest cost difference between these cities. Simi Valley (index: 148) and Nampa (index: 96) differ by 52% overall, with housing costs often diverging even more than the average. Check the Cost of Living section above for specific figures.

Which city is better for remote workers?

For remote workers earning a location-independent salary, Nampa is the clear winner. The 52% cost advantage means more of your paycheck goes to savings or discretionary spending. Simi Valley makes more sense if your employer adjusts pay upward for that market.

About This Comparison

Data SourcesBLS Consumer Expenditure Survey, Census Bureau ACS, HUD Fair Market Rent data, BLS OEWS (salary data), and regional industry surveys.
MethodologyEach city's costs are derived from national averages adjusted by city-specific cost-of-living indices. Category-specific sensitivity factors account for varying price elasticity across topic areas.
ConfidenceMEDIUMModel-derived estimates, not direct price surveys

Limitations: This comparison uses modeled data based on cost-of-living indices. Actual costs may vary based on neighborhood, timing, provider, and individual circumstances. Salary data reflects median full-time employment; contract and freelance rates differ. Last updated: March 2026.

โ† All ComparisonsSimi Valley costs โ†’Nampa costs โ†’