Cost of living answer

Cost of Living in Westmont, CA

Cost of Living in Westmont, CA has an overall index of 165, 65% above the U.S. baseline of 100. The typical home value is $696,822 (Zillow ZHVI, Aug 2026); typical monthly rent is $2,357 (Zillow ZORI, Aug 2026); and median household income is $50,509 (Census ACS 2024).

Cost index: committed city housing/rent inputs and BEA 2024 metro-area price parities. Home value: Zillow ZHVI market signal as of 2026-08. Rent: Zillow ZORI market signal as of 2026-08. A place-level signal, not a personal affordability decision or financial recommendation.

Check your household fit Compare Westmont

Cost vs U.S.65% aboveModeled index 165 · Zillow Aug 2026 / ACS 2024 / BEA 2024

Typical rent$2,357/moZillow ZORI · Aug 2026

Typical home value$696,822Zillow ZHVI · Aug 2026

Median household income$50,509Census ACS · 2024 place estimate

Market PressureHigh

Home prices are the main source of pressure. This describes the local market, not your household.

Rent pressure

56%

Typical annual rent divided by local median household income.

Buy pressure

13.8x

Typical home value divided by local median household income.

Common questions

What living in Westmont costs, and what the data does and does not explain.

Four questions readers ask most, answered from the committed sources below. Every figure keeps its source, vintage, and limitation; none of it is personal financial advice.

Cost outside housing

How do non-housing costs here compare with the nation?

Day-to-day non-housing costs here run about 16% above the U.S. baseline.

Non-housing index116100 = U.S. baseline

Goods10720% weight

Services10420% weight

Utilities15910% weight

The index weights goods 107 (20%), services 104 (20%), and utilities 159 (10%) over the non-housing half of the model, where utilities show the widest gap above the national baseline at 159. It excludes rent and home prices, so it is not the overall Regional Price Parity and not the overall cost index. Source: BEA 2024 metropolitan-area price parities.

Housing vs state and nation

Is housing here above or below the state and the country?

Typical home value$696,822Zillow ZHVI

Typical rent$2,357/moZillow ZORI

The typical home value is $696,822 (Zillow ZHVI, Aug 2026). It is 2% below the $708,255 median across California cities in this dataset, and 130% above the committed $303,400 U.S. baseline used site-wide (Census ACS 2019–2023).

The typical monthly rent is $2,357 (Zillow ZORI, Aug 2026). It is 13% below the $2,696 median across California cities in this dataset, and 75% above the committed $1,348 U.S. baseline used site-wide (Census ACS 2019–2023).

The California median is a cross-city statistic over the 654 committed city home values and 662 committed city rents (Zillow Aug 2026, HUD FMR, or Census ACS 2024 as matched per place). It is not a statewide household median and it is not appraised market data. U.S. baselines are Census ACS 2019–2023 5-Year national medians used across this site ($303,400 home value; $1,348 monthly gross rent), and have not been refreshed to the ACS 2024 city vintage or the Zillow Aug 2026 vintage. Any city-to-national gap therefore mixes vintages.

Why the numbers look like this

Which local signals explain the difference?

The committed figures line up: rent-to-income ratio, price-to-income ratio, and vacancy rate point the same way relative to their baselines (higher ratios and lower vacancy count as one direction, and their opposites as the other), and no compared figure points the other way. That is a description of this one snapshot, not a forecast.

Rent-to-income ratioAbove baseline
56% · Typical rent equals about 56% of local median household income (Zillow ZORI Aug 2026 rent × 12 ÷ Census ACS 2024 median household income). These are two place-level aggregates, not a measured household or renter burden. The Census ACS 2019–2023 5-Year national medians imply 21%.
Baseline: 21% implied by Census ACS 2019–2023 5-Year national medians
Price-to-income ratioAbove baseline
13.8x · The typical home value is 13.8 times local median household income (Zillow ZHVI Aug 2026 home value ÷ Census ACS 2024 median household income). This is a place-level ratio, not an individual affordability test. The Census ACS 2019–2023 5-Year national medians imply 3.9x.
Baseline: 3.9x implied by Census ACS 2019–2023 5-Year national medians
Vacancy rateBelow baseline
5.7% · 5.7% of all housing units here are reported vacant in Census ACS 2024. That counts every vacant unit, including seasonal, occasional-use, and other vacant homes, and it is not current for-sale or for-rent inventory. The population-weighted mean across the committed city dataset is about 8%.
Baseline: about 8% committed city-sample mean
Owner shareBelow baseline
28.3% · 28.3% of occupied units are owner-occupied in Census ACS 2024, against a committed national owner-occupied share of 64.6% (Census ACS 2019–2023 5-Year national medians). This describes tenure mix — more owners usually means a smaller rental stock, not by itself higher or lower pressure.
Baseline: 64.6% committed national owner-occupied share

These are associations inside one committed snapshot, not causal evidence. The dataset has no current listings, pending sales, sale timelines, or construction, migration, income-growth, and unit-mix fields, so nothing here proves or disproves a housing shortage: a low vacancy rate or a high rent-to-income ratio can have several explanations. Treat the figures as context for your own search, not as a cause.

Monthly budget by household size

What might a family of five spend per month here?

Estimated monthly cost for a household of five in Westmont: $8,524, of which $2,357 is the exact typical rent and $6,167 is modeled non-housing spending. Everyday non-housing costs here are 16% above the U.S. baseline.

For five people the estimate is housing $2,357 + non-housing $6,167 = $8,524 per month, or about $1,705 per person before taxes and debt.

Estimated monthly cost, before income tax, debt payments, and savings
Household size	Housing (typical rent)	Non-housing	Estimated total	Per person
1 person	$2,357	$1,999	$4,356	$4,356
2 people	$2,357	$3,247	$5,604	$2,802
3 people	$2,357	$4,313	$6,670	$2,223
4 people	$2,357	$5,275	$7,632	$1,908
5 people (example)	$2,357	$6,167	$8,524	$1,705
6 people	$2,357	$7,006	$9,363	$1,561

Formula: Monthly estimate = housing base + ($3,272 × (household size ÷ 2.5)^0.7 × (non-housing index ÷ 100)). The housing base is this city's exact typical monthly rent; $3,272 is the Census ACS 2019–2023 5-Year national medians median household income ÷ 12 × the model's 50% non-housing basket share.

Inputs: housing base $2,357 (Zillow ZORI, Aug 2026); non-housing index 116 (BEA goods/services/utilities); national median household income $78,538 (Census ACS 2019–2023 5-Year national medians).

Assumptions and limitations behind this table

Model assumptions

The Census ACS 2019–2023 5-Year national medians median household income is treated as a 2.5-person reference household whose non-housing share of the basket is 50% (goods 20% + services 20% + utilities 10%).
Household size is scaled with an economy-of-scale exponent of 0.7. That exponent is a modeling assumption, not a measured equivalence scale.
Housing is held at the same exact typical rent for every household size. Larger households often rent larger units, which this estimate does not model.
The non-housing index is applied as a price level only; it does not change how much a household consumes.

Limitations

This is a modeled planning estimate, not a measured household budget, a quote, or personal financial advice.
It excludes income tax, sales tax, property tax, debt payments (including student loans and car payments), retirement saving, and one-time moving costs.
Zillow, HUD FMR (a 2-bedroom program benchmark for the 40th-percentile recent-mover gross rent, not a market median), and Census values are place- or area-level estimates with sampling error and top-coding, not exact local prices.
BEA price parities are metro-area values, or one national nonmetropolitan proxy shared by every unmatched place — never city- or state-specific.
The income baseline is one committed national value (Census ACS 2019–2023 5-Year national medians) and does not vary by city or by household composition (adults versus children).

Housing and rent: Zillow ZHVI Aug 2026 home value; Zillow ZORI Aug 2026 rent. Top-coded ACS values stay thresholds, never exact medians. Non-housing: BEA 2024 goods, services, and utilities price parities (metro-area match). Why: rent Zillow ZORI Aug 2026, home value Zillow ZHVI Aug 2026, plus Census ACS 2024 income, vacancy, and owner-occupancy fields. National baselines: Census ACS 2019–2023 5-Year national medians (not refreshed to ACS 2024 or Zillow Aug 2026), so city-to-national gaps mix vintages. Budget: modeled from the committed national median household income and this city's exact rent and BEA non-housing index; assumptions and exclusions are listed with the table. Budget is not produced when rent is top-coded.

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City details

Inspect the numbers when you need them.

Overall cost index165100 = U.S. baseline

Goods1077% above baseline

Services1044% above baseline

Utilities15959% above baseline

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Montclair, CALower home-price pressure · Lower rent burdenRent burden46%Home / income8.4x Compare

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Frequently asked questions about Westmont

Mortgage benchmark baseline 2026-09-24 is past its weekly update cadence; a newer official vintage exists but is not reflected.

Living in Westmont

Is Westmont, CA an expensive place to live?+

Yes — Westmont is about 65% more expensive than the national average, with an overall Cost Index of 165. Housing is the biggest factor: the typical home here is valued around $696,822, and monthly rents average roughly $2,357. Day-to-day costs like groceries and utilities tend to run higher than average as well.

How does Westmont fit a household housing budget?+

Start with housing. Typical monthly rent is $2,357, while local median household income is $50,509. That implies a rent-burden proxy of about 56% before utilities and other costs. Use that as a planning signal for whether the place looks manageable under your own household assumptions.

How much are taxes in Westmont, CA?+

California uses a progressive model; 13.3% is top marginal-rate context. Applying the 0.7% state-level effective owner-occupied proxy to a home worth $696,822 gives a planning estimate near $4,878 per year; it is not a city, county, parcel, or individual tax bill. State plus average local sales-tax context is around 9.03%.

How much does it cost to rent in Westmont, CA?+

The typical monthly rent in Westmont is around $2,357. That's about 75% higher than the $1,348 national median. For comparison, the median home value here is $696,822, so buyers should also factor in mortgage payments, property taxes, and insurance.

How much does a house cost in Westmont, CA?+

The typical home value in Westmont is $696,822. With 20% down and the committed 7.03% national 30-year fixed benchmark as of 2026-09-24, principal and interest are roughly $3,720/month before property tax and insurance. This is a planning estimate, not a local lender quote. Baseline is past its weekly update cadence; a newer official vintage exists but is not reflected. About 28% of residents here own their homes.

Are groceries and utilities expensive in Westmont?+

Grocery prices in Westmont are noticeably pricier compared to the rest of the US (index: 107, where 100 is the national average). Utility bills (electricity, gas, water) are on the high side (index: 159). Both add meaningful weight to your monthly budget here.

What is Westmont, CA like to live in?+

Westmont is a smaller city with a population of about 34,123. The median age of residents is 32.7, which is close to the national median. The local poverty rate is 25.32%, above the national average of 12.4%.