Postal Codes

78623 ZIP Code

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ZIP code 78623 covers Fischer, Texas, with a population of about 1,575 and a median household income of $122,143.

Population
1,57570 per square mile
Median age
59.721 points above the US average
Median household income
$122,1431.6× the Texas median
Poverty rate
4.5%7.9 points below the US average
Typical home value
$488,422up 17.2% in five years
Degree or higher
48.8%13.8 points above the US average
Homeownership
100%35 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
34

Where 78623 is

Fischer, Texas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,575
Median age59.7
Family households80%
Born outside the US6.9%
Speaks a language other than English at home8.8%
White (non-Hispanic)83%
Black (non-Hispanic)0%
Asian (non-Hispanic)3.9%
Hispanic or Latino4.9%
Veterans14.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$122,143
Income per person$51,381
Poverty rate4.5%
Households on SNAP or cash assistance8.4%

Household income distribution

Under $10k4.0%
$10–15k0.0%
$15–20k2.5%
$20–25k0.0%
$25–30k2.7%
$30–35k0.0%
$35–40k0.0%
$40–45k0.0%
$45–50k3.0%
$50–60k8.1%
$60–75k2.2%
$75–100k13.1%
$100–125k14.8%
$125–150k11.6%
$150–200k13.0%
$200k or more24.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed1,170
Mean adjusted gross income$100,035
Returns declaring $200,000 or more8.5%
Returns, under $25k21.4%
Returns, $25k–$50k16.2%
Returns, $50k–$75k11.1%
Returns, $75k–$100k13.7%
Returns, $100k–$200k29.1%
Returns, $200k or more8.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$564,200
Owner-occupied100%
Vacant homes12.4%
Median year built2005

What the homes are

Detached house98.5%
5 to 19 units1.5%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$488,422as of 2026-07
Typical home value, 1 yearup 0.1%
Typical home value, 5 yearsup 17.2%
Typical home value, 10 yearsup 80.6%
Typical home value since 2000
200920172026$512,275$202,257

$212,018 in 2009 to $488,422 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.6%
Bachelor's degree or higher48.8%
High school diploma or higher98.9%
Works from home20.1%
Drives to work alone67.1%
Takes public transport0%
Commutes 45 minutes or more41.8%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity35.7% 2.3 pts above the national average of 33.4%
Diagnosed diabetes13.7% 1.7 pts above the national average of 12%
Currently smokes12.1% 1.1 pts below the national average of 13.2%
High blood pressure41.1% 7 pts above the national average of 34.1%
Fair or poor general health19% 1.3 pts below the national average of 20.3%
No health insurance (18–64)10.4% 0.9 pts below the national average of 11.3%
Depression21% 0.9 pts below the national average of 21.9%
No leisure-time physical activity23.6% 1.8 pts below the national average of 25.4%
Arthritis31.5% 6.4 pts above the national average of 25.1%
Binge drinking15.9% same as the national average of 16%
Taking blood pressure medication81.8% 7.1 pts above the national average of 74.7%
Cancer (non-skin)11.1% 3.4 pts above the national average of 7.7%
Current asthma9.9% 0.5 pts below the national average of 10.4%
Coronary heart disease7.8% 1.6 pts above the national average of 6.2%
Routine check-up in past year80.4% 3.7 pts above the national average of 76.7%
Cholesterol screening90.6% 4.7 pts above the national average of 85.9%
Cognitive disability12.1% 2.7 pts below the national average of 14.8%
Colorectal screening66.3% 2 pts above the national average of 64.3%
COPD7.9% 1.3 pts above the national average of 6.6%
Visited a dentist60.8% 0.5 pts below the national average of 61.3%
Any disability29.1% 1.6 pts below the national average of 30.7%
Hearing disability8.5% 1.8 pts above the national average of 6.7%
High cholesterol38.8% 2.6 pts above the national average of 36.2%
Independent living disability7.4% 1 pts below the national average of 8.4%
Mammography use70.3% 5.6 pts below the national average of 75.9%
Poor mental health (14+ days)14.5% 2.3 pts below the national average of 16.8%
Mobility disability15.5% 1.5 pts above the national average of 14%
Poor physical health (14+ days)14% 0.5 pts above the national average of 13.5%
Self-care disability3.8% same as the national average of 4%
Sleeps under 7 hours35.3% 1.1 pts below the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost14.3% 1.3 pts above the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments34
People employed177
Annual payroll$6,330,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 78.5% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 4 census tracts this ZIP code covers
Expected annual loss77.1 out of 100
Community resilience62.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Wildfire93.4Relatively Moderate at its worst in this ZIP code
River flooding92Relatively High at its worst in this ZIP code
Hail88.4Relatively High at its worst in this ZIP code
Winter weather87.5Relatively High at its worst in this ZIP code
Lightning85.6Relatively High at its worst in this ZIP code
Tornado84.7Relatively High at its worst in this ZIP code
Landslide79.3Relatively Low at its worst in this ZIP code
Heat wave74.4Relatively Moderate at its worst in this ZIP code
Strong wind72.1Relatively Moderate at its worst in this ZIP code
Cold wave65.9Relatively Moderate at its worst in this ZIP code
Hurricane50.4Very Low at its worst in this ZIP code
Ice storm49.3Relatively Low at its worst in this ZIP code
Earthquake3.4Very Low at its worst in this ZIP code
Compared with Texas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPTexasUnited States
Median household income$122,143$76,292$78,538
Income per person$51,381$39,446$43,289
Poverty rate4.5%13.8%12.4%
Median home value$564,200$260,400$303,400
Median gross rent$1,339$1,348
Homeownership100%62.6%65%
Bachelor's degree or higher48.8%33.1%35%
Unemployment rate2.6%5.1%5.2%
Works from home20.1%12.8%13.5%
Born outside the US6.9%17.2%13.9%
Median age59.735.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationCANYON DAM, TX US11.4 km away
Rain in a year38 in

Average high and low by month

January61°F / 39.8°F2.44 in rain
February65°F / 43.2°F1.98 in rain
March71.5°F / 49.8°F2.78 in rain
April78.6°F / 56.7°F2.87 in rain
May84.8°F / 65.2°F4.46 in rain
June91°F / 71.1°F4.08 in rain
July94.1°F / 72.8°F2.7 in rain
August95.6°F / 73°F2.43 in rain
September89.3°F / 68.3°F3.88 in rain
October81°F / 59.1°F4.91 in rain
November70°F / 49.4°F2.88 in rain
December62.6°F / 41.7°F2.43 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Comal Independent School District95.7% of this ZIP code's land area
Wimberley Independent School District4.3% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability44more vulnerable than 44% of US census tracts
Socioeconomic status37more vulnerable than 37% of US census tracts
Household characteristics59more vulnerable than 59% of US census tracts
Racial and ethnic minority status41more vulnerable than 41% of US census tracts
Housing type and transport44more vulnerable than 44% of US census tracts
Walkability5.1 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

78133 Canyon Lake, TX6.4 km away
78676 Wimberley, TX11.7 km away
78070 Spring Branch, TX16.9 km away
78667 San Marcos, TX22.2 km away
78132 New Braunfels, TX23 km away
78619 Driftwood, TX23.4 km away
78606 Blanco, TX23.9 km away
78666 San Marcos, TX27.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Comal County92.2% of this ZIP code's land area
Hays County7.8% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area22.38 sq mi
Water area0.03 sq mi
Population density70 people per sq mi
Latitude, longitude29.9627, -98.2088

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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