County association / CA

Humboldt, California

ZIP codes
38
Postal place names
35

Last successful directory check:

Record last changed

Record last changed:

A successful check does not mean every record changed. Unchanged records keep their previous modification date. Times use UTC.

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95501–95589 · This is the range of listed codes, not a continuous allocation or a delivery boundary.

Location overview

Overview

Humboldt is a county-level name in the California postal directory. Associated postal places include Eureka, Arcata, Alderpoint.

Regional context
State / postal region
California
Associated postal places
EurekaArcataAlderpoint
Humboldt County

Population overview

Estimated population
131,647
Reference year
2025

Population of the matched statistical area, not a ZIP delivery area.

Population data last successfully checked:

Definitions and update details

Reference date: July 1, 2025.

This estimate describes the matched statistical area, not a ZIP code, delivery boundary, or number of postal customers. A postal place name may cover a different area.

Estimate vintage: 2025

Source: Census PEP Vintage 2025 · county · EPA public republication

Population data last changed:

A successful check does not mean every record changed. Unchanged records keep their previous modification date. Times use UTC.

Read the guide ↗

Community snapshot

Estimates for the matched Census geography; not a sum of ZIPs.

Median household income
$61,160
ACS 2020–2024 · USD 2024
State reference · CA
$99,122
Median owner-occupied home value
$446,900
ACS 2020–2024 · USD 2024
State reference · CA
$734,700
Median monthly gross rent
$1,287
ACS 2020–2024 · USD 2024
State reference · CA
$2,036
Median age
39.9 years
ACS 2020–2024
State reference · CA
37.9 years
Period, uncertainty & data notes

More community indicators

Households
54,922
ACS 2020–2024
State reference · CA
13,548,091
Housing units
62,883
ACS 2020–2024
State reference · CA
14,644,735
Residents aged 65+
19.8%
ACS 2020–2024
State reference · CA
15.7%
Households with housing cost burden
38.5%
ACS 2017–2021
Households without broadband
12.1%
ACS 2017–2021

ACS five-year survey estimates; not live data. Each measure retains its own period and denominator. Income is in the final year’s inflation-adjusted US dollars. Missing is not zero.

Same-period state estimates are context, not a statistical significance test or a rating.

Home values describe owner-occupied homes, not recent sale prices. Gross rent is monthly and includes applicable utilities; it is not advertised rent.

Households include family and nonfamily households and correspond to occupied housing units. Housing units also include vacant units. Neither counts people, postal addresses or homes for sale; do not add overlapping areas.

Selected fields; unavailable codes normalized to missing. No endorsement implied.

Median household income · 2020–2024

Margin of error (90% confidence): ± 1,660 USD

State reference · CA · 2020–2024 · Margin of error (90% confidence): ± 310.0 · U.S. Census Bureau / Census Reporter · ACS 2020–2024 · state

Content changed:

Median owner-occupied home value · 2020–2024

Margin of error (90% confidence): ± 8,723 USD

State reference · CA · 2020–2024 · Margin of error (90% confidence): ± 1307.0 · U.S. Census Bureau / Census Reporter · ACS 2020–2024 · state

Content changed:

Median monthly gross rent · 2020–2024

Margin of error (90% confidence): ± 52 USD

State reference · CA · 2020–2024 · Margin of error (90% confidence): ± 5.0 · U.S. Census Bureau / Census Reporter · ACS 2020–2024 · state

Content changed:

Median age · 2020–2024

Margin of error (90% confidence): ± 0.3 years

State reference · CA · 2020–2024 · Margin of error (90% confidence): ± 0.1 · U.S. Census Bureau / Census Reporter · ACS 2020–2024 · state

Content changed:

Households · 2020–2024

Margin of error (90% confidence): ± 632 Households

State reference · CA · 2020–2024 · Margin of error (90% confidence): ± 17724.0 · U.S. Census Bureau / Census Reporter · ACS 2020–2024 · households & housing units · state

Content changed:

Housing units · 2020–2024

Margin of error (90% confidence): ± 61 Housing units

State reference · CA · 2020–2024 · Margin of error (90% confidence): ± 1665.0 · U.S. Census Bureau / Census Reporter · ACS 2020–2024 · households & housing units · state

Content changed:

Residents aged 65+ · 2020–2024

Margin of error (90% confidence): Not supplied by this source; not zero

State reference · CA · 2020–2024 · Margin of error (90% confidence): Not supplied by this source; not zero · U.S. Census Bureau / U.S. Environmental Protection Agency · ACS 2020–2024 · state

Content changed:

Households with housing cost burden · 2017–2021

Margin of error (90% confidence): ± 2.0 percentage points

Content changed:

Households without broadband · 2017–2021

Margin of error (90% confidence): ± 1.6 percentage points

Content changed:

Source & license

These statistical data are also available free from the linked sources. Use of the data or source links does not imply endorsement of ZIPSFIELD by the Census Bureau, CDC, HHS or the U.S. Government.

ZIPSFIELD / Interactive US postal explorer

Map & location

State statistics layer

State-level values, not ZIP-level values. Equal-width color bands; gray means unavailable. Select a state for details.

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First digit0123456789916 3-digit prefixes

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Dots summarize approximate ZIP locations grouped by state and three-digit prefix; they are not official delivery boundaries. Colors follow the first digit. Not every number in a displayed range is assigned. Alaska and island insets are relocated and use different scales.

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ZIP directory

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Postal details & data notes
ZIPs with coordinates
38
First / last ZIP in the directory
95501 / 95589

Common three-digit prefixes

Counts refer to this place; links explore the full prefix nationally. Endpoints do not imply every intervening ZIP exists. Postal names are not a count of incorporated municipalities.

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ZIP codes organize mail delivery, not administrative boundaries. A code can have several city or county associations. Coordinates are approximate; verify delivery addresses with your carrier. Read the guide ↗

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