ZIP code · Fischer · Texas · United States
ZIP code 78623 — Fischer
ZIP code 78623 serves Fischer, Texas.
- Postal code
- 78623Single source Value from one source, not cross-checked.
- City
- Fischer
- County
- Comal FIPS 48091
- State
- Texas
- Country
- United States
- Coordinates
- 29.9627, -98.2088 — precision precise (locality)
View on OpenStreetMap - Population
- 1,575 (ZCTA, ACS 5-year)
- Population density
- 70 / sq mi
- Land area
- 22.4 sq mi (58 km²) (ZCTA, ACS 5-year)
- Median household income
- $122,143
- Per-capita income
- $51,381
- Median age
- 59.7
- Households
- 594
- Housing units
- 678
- Median home value
- $564,200
- Congressional district
- TX-21 (119th Congress)
- USDA hardiness zone
- 9a (20 to 25 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 806 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 78623 with another ZIP · ZIPs within 25 miles · distance from 78623
Map of ZIP code 78623
Climate — monthly normals
Warmest month Aug (avg high 96°F), coldest Jan (avg low 40°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 61 | 65 | 72 | 79 | 85 | 91 | 94 | 96 | 89 | 81 | 70 | 63 |
| Avg low °F | 40 | 43 | 50 | 57 | 65 | 71 | 73 | 73 | 68 | 59 | 49 | 42 |
| Precip in | 2.4 | 2.0 | 2.8 | 2.9 | 4.5 | 4.1 | 2.7 | 2.4 | 3.9 | 4.9 | 2.9 | 2.4 |
NOAA 1991–2020 climate normals from the nearest station: CANYON DAM (7.1 mi) · NOAA NCEI
Places in ZIP 78623
- 1 schools
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page