Moving corridor · South origin

Moving from Austin to San Antonio

A directional rental-market brief grounded in a measured IRS flow, then tested against housing costs, income, employment, regional prices and climate exposure.

Austin, TX cityscapeFrom · Austin
San Antonio, TX cityscapeTo · San Antonio
Direct flow6,106tax-return households
People proxy10,084IRS exemptions
AGI per return$72,680within this corridor
Monthly rent change−$237destination minus origin
Direct answer

What materially changes on this move

Market-area evidence narrows the questions. It does not replace a neighborhood check, a lease comp or property-level underwriting.

Measured first, the IRS corridor flow from Austin to San Antonio was 6,106 tax-return households, represented by 10,084 exemptions as a people proxy, with $72,680.48 of AGI per return. That is evidence of filed tax-return households changing counties within this market corridor; it does not identify renters, every mover, or future housing demand. It nevertheless gives the direction a firm base: San Antonio received a substantial stream of filing households from Austin, so this is not merely a hypothetical comparison between unrelated metros.

For household housing costs, San Antonio resets the nominal baseline downward. At the end-June Zillow observation, asking rent was $1,416 in San Antonio versus $1,653 in Austin, while home values were $280,370 versus $426,944. Income also changes: the ACS median was $76,213 in San Antonio and $100,431 in Austin. BEA’s housing price parity was 94.575 at the destination versus 120.361 at the origin. These Zillow, ACS, and BEA readings come from different source periods, so they are directional rather than a synchronized household budget. A mover keeping Austin-linked pay faces different arithmetic from someone taking locally priced San Antonio work.

For rental-property underwriting, the destination begins with a higher simple gross-yield screen, 6.06% versus 4.65%, but a weaker recent payroll signal, 0.10% versus 1.39%. That changes the central question from whether San Antonio is cheaper to whether achievable effective rent adequately covers the asset’s full cost structure. The next underwriting question is: after property tax, insurance, including inland-flood exposure, maintenance, vacancy, concessions, management, and financing, what stabilized net operating income and break-even occupancy does the target property and submarket support? Metro averages cannot answer that question or establish a universal winner.

Measured direction

The route exists in the IRS records

One inflow-side county pair enters once. Same-market moves are excluded before market aggregation.

Direct IRS relocation flow from Austin to San AntonioORIGIN MARKET AREAAustinTXAll-US outbound households59,476DESTINATION MARKET AREASan AntonioTXAll-US inbound households53,279DIRECT CORRIDOR6,106tax-return households10,084 people proxy · $72,680 AGI / returnDirection and totals come from the same IRS inflow-side county-pair records.
IRS SOI — county migration and mover income · SOI migration 2022-2023. Tax-return households are not the same as renters or every mover.
Before and after

The move changes more than rent

Every row retains its own definition and scale. The chart does not blend these measures into a relocation score.

What changes between the origin and destinationAustinSan AntonioMonthly asking renteach row uses its own source-unit scale$1,653$1,416Home valueeach row uses its own source-unit scale$426,944$280,370Household incomeeach row uses its own source-unit scale$100,431$76,213Gross rental yieldeach row uses its own source-unit scale4.7%6.1%Regional price leveleach row uses its own source-unit scale98.194.7Annual climate losseach row uses its own source-unit scale0.118%0.146%Dots show source values, not a blended relocation score.
Direct source values; destination is emerald and origin is ink. “n/a” remains unavailable rather than estimated.
EvidenceAustin, TXSan Antonio, TXDestination change
Median asking rent2026-06-30$1,653$1,416−$237
Median home value2026-06-30$426,944$280,370−$146,574
Median household incomeCensus ACS$100,431$76,213−$24,218
Gross rental yieldrent × 12 ÷ home value4.7%6.1%+1.4%
Annual employment changeCES / CES+1.4%+0.1%−1.3%
Regional price level2024; US = 10098.194.7−3.4
Expected annual building lossFEMA NRI market aggregate0.118%0.146%+0.027%
Net IRS migrationall-US tax-return households+13,431+8,675−4,756
Directional analysis

Three decisions hidden inside one move

The sections follow the evidence that is material for this corridor, not a universal city template.

01
Income and employment

Lower prices meet a lower income base

Income is the main reason the lower San Antonio price level should not be translated automatically into easier household finances. The ACS 2024 five-year median household income is $76,213 in San Antonio and $100,431 in Austin. Separately, BEA’s 2024 all-items regional price parity is 94.716 in San Antonio and 98.066 in Austin. The destination therefore combines lower measured income with a lower general price level. Whether a mover is better positioned depends heavily on which income follows the household: an Austin-linked salary, a San Antonio local offer, or a mixed-income arrangement. The metro medians cannot resolve that household case.

The recent labor backdrop also differs. CES payroll employment increased 1.39% in Austin and 0.10% in San Antonio over the twelve months through June 2026. That observation is separate from the ACS income period and should not be treated as a contemporaneous explanation for the income gap. The corridor’s average IRS AGI of $72,680.48 per return is another distinct measure: it describes tax-return households in the recorded Austin-to-San Antonio flow, not renters, every mover, future demand, or a wage offer available at the destination. For underwriting, the useful follow-up is the income source and employment concentration of likely tenants in the actual submarket, not merely the metrowide job headline.

02
Housing cost transition

Cheaper entry, but test effective rent

At the end-June 2026 Zillow observation, San Antonio’s asking rent was $1,416, compared with $1,653 in Austin. The destination change is $237 lower per month and $2,844 lower over a year. That is a meaningful change in the advertised housing-cost baseline, but it is not automatically the saving a particular household will realize: unit type, neighborhood, lease timing, concessions, utilities, and commuting costs remain unobserved. Both rent series were also declining over the year, by 1.98% in San Antonio and 1.87% in Austin, so neither market should be described as having uniformly firm asking rents at that observation.

The ownership and rental-investment entry points move in the same broad direction. San Antonio’s Zillow home value was $280,370 versus Austin’s $426,944, and its price-to-income measure was 3.68 versus 4.25. For a rental operator, that lower value denominator helps produce a gross-yield screen of 6.06%, compared with 4.65% in Austin. Gross yield is not net operating income: it does not settle property taxes, insurance, repairs, turnover, management, financing, or concessions. The lower San Antonio basis therefore improves the initial rent-to-value arithmetic without proving that a specific property has the stronger risk-adjusted cash flow.

03
Market and risk context

Buyer slack, supply, and hazard exposure

The Redfin period shows slightly more resale slack in San Antonio. Months of supply were 5.4 versus Austin’s 5.2, while median days on market were 72 versus 58. Price drops appeared on 38.04% of San Antonio listings and 35.78% of Austin listings. Together, those measures point to more time and visible repricing at the destination, which can matter when testing acquisition assumptions or exit liquidity. They do not establish the condition, seller motivation, or competitive set for an individual asset, and the Redfin window precedes the end-June Zillow observations rather than synchronizing with them.

Other risk signals pull in different directions and come from separate periods. San Antonio had 4.38 permitted units per thousand residents, compared with 8.66 in Austin, indicating less metrowide permitting intensity in the year-to-date window. FEMA’s annual building-loss ratio was 0.1456% in San Antonio and 0.1182% in Austin, with inland flood identified as the top hazard in both markets. HMDA investor shares were 7.10% and 9.84%, respectively. These figures cannot be fused into a single risk score: permitting does not reveal competing unit type, the FEMA ratio is not an insurance quote, and metro investor participation does not establish bidding pressure in a target neighborhood.

Counter-signals

What the easy reading misses

A lower rent, stronger job figure or larger flow can still hide a different risk elsewhere in the record.

01

San Antonio’s asking rent is $237 lower, but its rent-to-income measure is 22.29% versus Austin’s 19.75%. The move can reduce the rent check without improving affordability for a household whose income resets toward the destination distribution. A household retaining Austin-linked earnings and one relying on San Antonio wages face materially different outcomes.

02

San Antonio’s 6.06% gross yield exceeds Austin’s 4.65%, yet asking rents were declining in both markets and recent payroll growth was weaker at the destination. The higher yield is a gross screening result, not evidence of superior net returns; taxes, insurance, vacancy, concessions, maintenance, and financing can materially change the comparison.

03

The directional corridor should not be mistaken for a broad migration verdict. In the IRS release, San Antonio’s net migration was 8,675 tax-return households versus Austin’s 13,431. Those are filing-household measures, not renters, every mover, or future demand; corridor inflow can coexist with a smaller marketwide net count.

Reading boundary

What this corridor cannot establish

IRS migration measures filed tax-return households, with exemptions serving only as a people proxy. It does not identify renters, capture every mover, describe motives, or establish future housing demand. The measured Austin-to-San Antonio flow is therefore evidence about a defined tax-filing population, not the complete moving population.

The market evidence cannot establish a property’s tax bill, insurance premium, flood zone, physical condition, rent roll, tenant quality, concessions, repair needs, or financing terms. It also cannot determine a household’s commute, childcare costs, debts, unit requirements, or retained salary. Those facts can outweigh metro averages in an actual move or underwriting case.

Source ledger

Separate releases, one traceable brief

Pull dates show when RentMarker retrieved each release, not when every upstream measure changed.

SourceRole hereReleaseRetrieved
IRS SOI — county migration and mover incomeDirectional tax-return household flow and mover AGISOI migration 2022-20232026-07-26
Zillow ZHVI — metro home valuesMarket-area home values and annual changeMetro_zhvi_uc_sfrcondo_tier_0.33_0.67_sm_sa_month.csv2026-07-26
Zillow ZORI — metro market rentsMarket-area asking rents and annual changeMetro_zori_uc_sfrcondomfr_sm_sa_month.csv2026-07-26
Census ACS 5-year — household incomeMedian household income and affordability ratiosACS 2024 5-year2026-08-02
Census ACS 5-year — populationMarket-area population contextACS 2024 5-year2026-07-26
HUD Fair Market Rents — Section 8 standardHUD two-bedroom Fair Market Rent standardFY2026 FMR2026-07-26
BLS CES — payroll employmentPayroll employment change where publishedCES SM current2026-07-26
BLS LAUS — resident employmentResident employment change where CES is unavailableLAUS current2026-07-26
BEA Regional Price Parities — metropolitan price levelsRegional price levels for directly matched metropolitan areas2024 Regional Price Parities (released 2026-02-19); history 2008-20242026-08-03
FEMA National Risk Index — hazard loss ratiosExpected annual building-loss exposureNRI counties (FEMA ArcGIS)2026-07-26
Redfin Data Center — inventory, days on market, and price cutsFor-sale inventory and marketing conditionsmetro tracker through 2026-05-012026-07-26
Census Building Permits Survey — permitted unitsPermitted housing supplyBPS through 20262026-07-26
HMDA / CFPB — purchases by occupancy typeInvestor purchase-mortgage shareHMDA 2024 purchase originations2026-07-26