ZIP Codes of Modoc County, CA

Population & People
Population & People
Total Population
7,537
Household Income
Household Income
Median Income
$59,435
Housing
Housing
Total Housing Units
4,195
Business & Economy
Business & Economy
Total Businesses
152
Employment
Employment
Employment Rate
42.29%
Education
Education
Bachelor's Degree+
24.87%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 10 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:10 ZIP Codes (7 Standard, 3 PO Box, 0 Unique) [See All]
Area Code:530
Timezone:Pacific (GMT -08:00)
Local Time:11:52:47 PM
Population:7,537 [See All]
FIPS:06049
Land Area:2,820 sq mi
Water Area:76 sq mi
Coordinates:41.4892, -120.4670
Quick Link:
https://www.zip-codes.com/county/ca-modoc.asp
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Extreme education divide
Bachelor's share ranges 15.1% to 65.6% across ZIPs — a 51-point gap.

Standout ZIPs in this County


Most Populous
Alturas · 5,142 people
68.2% of county total
Highest Income
Eagleville · $78,333 median
1.3× county average
Largest Land Area
Alturas · 560.8 sq mi
Spans the most ground
Fastest Growth
Alturas · -2.2% (10-yr)
5,260 → 5,142 residents
Most Educated
Alturas · 25.2% bachelor's+
928 of 3,689 adults 25+

Things worth knowing about Modoc County


7,537 residents live across 10 ZIPs covering 2,820 sq mi, served by 10 distinct USPS-recognized cities.

Population moved from 8,056 to 7,537 from 2014 to 2024 — a -6.4% change. 3 ZIPs gained residents, 7 lost.

The county's wealthiest ZIP 96110 (Eagleville, $78,333 median) and poorest ZIP 96015 (Canby, $45,991) are 39.5 miles apart — a 1.7× income gap across local geography.

Median home values vary 3.4× across this county — from $155,200 in 96054 (Lookout) to $530,700 in 96015 (Canby).

Density varies 64× across the county — from 0 people/sq mi in 96116 (Likely) to 9 in 96101 (Alturas).

Educational attainment ranges from 12.0% bachelor's+ in 96054 (Lookout) to 65.6% in 96108 (Davis Creek) — the breadth of educational profiles across the area.

Within California, this is the #56 most populous of 58 counties and ranks #56 for median household income .

Weighted by population, the typical household earns about $58,987 across the county — reflecting what a typical resident sees, not a simple ZIP average.

24.9% of adults age 25+ hold a bachelor's degree or higher (1,427 of 5,738 reporting).

7 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Modoc County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
2,820
square miles
Avg density
2.7
people per sq mi
Population
7,537
across 10 ZIPs
Alturas
560.8 sq mi
5,142 residents
Canby
413.3 sq mi
437 residents
Likely
395.7 sq mi
57 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Alturas

Population decline

Modoc County lost 6.4% of residents between 2014 and 2024. ZIPs that shed the largest share:

Canby
-46.3%
814 → 437 residents

All ZIP Codes in Modoc County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
96101AlturasStandard5,142$61,680560.8-2.2%
96104CedarvilleStandard713$52,794338.130.1%
96006AdinStandard512$46,094326.028.0%
96015CanbyStandard437$45,991413.3-46.3%
96112Fort BidwellStandard193119.6-16.1%
96054LookoutPO Box18332.4-37.8%
96115Lake CityStandard125$71,719175.4-41.0%
96108Davis CreekStandard110395.01471.4%
96110EaglevillePO Box65$78,33363.3-49.6%
96116LikelyPO Box57395.7-64.8%

Adjacent & Nearby Counties