Data Vault

Wiki

Comprehensive knowledge base covering cost of living metrics, tax terminology, housing data, and the methodology behind Livably calculations.

How to Use the Wiki

Start with core terms like cost index, tax burden, and housing affordability, then follow related entries to understand how each metric affects real relocation decisions.

Cost of Living Index Effective Tax Rate Housing Cost Burden Geographic Arbitrage Data Normalization

Cost of Living Index

A standardized measure comparing the relative cost of daily expenses in different geographic areas.

Economic Indicators

Median Household Income

The income level at which half of households earn more and half earn less in a given area.

Tax Terms

Effective Tax Rate

The actual percentage of income paid in taxes after accounting for brackets, deductions, and credits.

Tax Terms

Property Tax

An annual tax levied on real estate based on the assessed value, varying significantly by state and county.

Data Methodology

Affordability Score

Livably's proprietary metric combining income-to-cost ratios into a single 0-100 score.

Housing

Median Rent

The midpoint rental price for apartments in a metro area, where half of units cost more and half cost less.

Tax Terms

FICA Taxes

Federal Insurance Contributions Act taxes funding Social Security and Medicare, totaling 7.65% for employees.

Economic Indicators

Consumer Price Index (CPI)

A national inflation gauge tracking changes in the prices urban consumers pay for a fixed basket of goods and services.

Cost Metrics

Purchasing Power

The amount of goods and services your income can actually buy after accounting for local prices and taxes.

Housing

Zillow Observed Rent Index (ZORI)

A market-sensitive rent index from Zillow designed to track rental price movement over time by geography.

Housing

Median Home Price

The midpoint sale price in a market where half of homes sell for more and half sell for less.

Tax Terms

Sales Tax

A consumption tax applied to taxable purchases, often layered across state, county, and city jurisdictions.

Tax Terms

State Income Tax

Tax on individual income at the state level, ranging from zero-tax states to high progressive systems.

Tax Terms

Federal Income Tax Brackets

Progressive tax ranges that apply different rates to different portions of taxable income.

Personal Finance

Debt-to-Income Ratio (DTI)

A lending and budgeting metric comparing monthly debt obligations to gross monthly income.

Personal Finance

Rent-to-Income Ratio

The share of gross income spent on rent, used to evaluate housing affordability pressure.

Housing

Housing Cost Burden

A measure of households spending more than 30% of income on housing, often linked to financial strain.

Personal Finance

30% Rent Rule

A budgeting guideline suggesting households should spend no more than 30% of gross income on housing.

Economic Indicators

Gini Coefficient

A statistical measure of income inequality ranging from 0 (perfect equality) to 1 (max inequality).

Housing

Housing Starts

The number of new residential construction projects that begin during a period, used as a supply signal.

Labor Market

Unemployment Rate

The share of the labor force actively seeking work but currently unemployed.

Data Methodology

Metropolitan Statistical Area (MSA)

A Census-defined region centered on an urban core and economically connected surrounding counties.

Personal Finance

Geographic Arbitrage

Improving financial outcomes by earning in a high-wage context while living in a lower-cost location.

Housing

Price-to-Rent Ratio

A valuation metric comparing home prices to annual rents to evaluate rent-vs-buy conditions.

Economic Indicators

Migration Flow

Net movement of people into or out of a region, often signaling shifts in housing and labor demand.

Labor Market

Wage Growth

The rate at which nominal wages increase over time across industries, regions, or occupations.

Labor Market

Real Wages

Nominal wages adjusted for inflation, representing the true change in buying power over time.

Cost Metrics

Commuter Cost Burden

The monthly financial load from commuting, including fuel, transit, parking, tolls, and time-adjacent costs.

Cost Metrics

Amenity Premium

The additional cost households pay for access to desirable features like climate, transit, schools, or nightlife.

Tax Terms

Total Tax Burden

The combined impact of income, payroll, property, sales, and local taxes on household finances.

Housing

Escrow and Closing Costs

One-time and recurring ownership costs beyond mortgage principal and interest, often under-modeled by buyers.

Labor Market

Labor Force Participation Rate

The share of working-age people who are employed or actively seeking employment.

Personal Finance

Household Savings Rate

The share of disposable income households retain rather than spend, signaling financial resilience.

Data Methodology

Data Normalization

The process of converting raw data from different sources into consistent, comparable metrics.

Assembling your view…

Crunching costs, sorting signals, rendering insights.