| ZIP Codes: | 9 ZIP Codes (8 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 210 / 726 / 830 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:52 PM |
| Population: | 215,245 [See All] |
| FIPS: | 48091 |
| CBSA: | San Antonio-New Braunfels, TX |
| Land Area: | 646 sq mi |
| Water Area: | 16 sq mi |
| Coordinates: | 29.7845, -98.2338 |
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215,245 residents live across 9 ZIPs covering 646 sq mi, served by 6 distinct USPS-recognized cities.
Population moved from 133,491 to 215,245 from 2014 to 2024 — a +61.2% change. 7 ZIPs gained residents, 0 lost.
The county's wealthiest ZIP 78266 (San Antonio, $146,792 median) and poorest ZIP 78130 (New Braunfels, $83,064) are 15.9 miles apart — a 1.8× income gap across local geography.
Median home values vary 1.9× across this county — from $323,200 in 78130 (New Braunfels) to $620,300 in 78132 (New Braunfels).
Density varies 15× across the county — from 73 people/sq mi in 78623 (Fischer) to 1,096 in 78130 (New Braunfels).
Educational attainment ranges from 34.6% bachelor's+ in 78133 (Canyon Lake) to 60.1% in 78266 (San Antonio) — the breadth of educational profiles across the area.
Within Texas, this is the #27 most populous of 254 counties and ranks #5 for median household income with the #1 fastest decade growth .
On the national stage, Comal County is and #4 for decade growth .
Weighted by population, the typical household earns about $103,647 across the county — reflecting what a typical resident sees, not a simple ZIP average.
41.8% of adults age 25+ hold a bachelor's degree or higher (62,982 of 150,709 reporting).
8 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
Comal County grew 61.2% over the past decade — concentrated in 5 high-growth ZIPs:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 78130 | New Braunfels | Standard | 104,009 | $83,064 | 94.9 | 67.0% |
| 78132 | New Braunfels | Standard | 40,953 | $135,315 | 179.3 | 79.0% |
| 78133 | Canyon Lake | Standard | 21,959 | $83,853 | 87.6 | 38.6% |
| 78070 | Spring Branch | Standard | 20,200 | $115,175 | 136.0 | 27.6% |
| 78163 | Bulverde | Standard | 19,141 | $140,594 | 84.6 | 90.9% |
| 78266 | San Antonio | Standard | 7,338 | $146,792 | 41.6 | 22.5% |
| 78623 | Fischer | Standard | 1,645 | $116,923 | 22.4 | 157.8% |
| 78131 | New Braunfels | PO Box | — | — | 0.0 | — |
| 78135 | New Braunfels | Standard | — | — | 0.0 | — |