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Last reviewed: June 04, 2026 · Methodology: all Knox County record-source URLs verified against the official local and Maine state publishers on the review date. 2 primary .gov / official sources cited below.

Knox County — Key Numbers (2026)

Population, demographics, and county-seat data for Knox County, Maine — verified against U.S. Census 2024 estimates.
40,981
Population
Census estimate
17,780
Households
Census estimate
$68,904
Median income
Annual household
$260,800
Median home value
Census ACS
Rockland
County seat
In Maine
Knox County Records Availability Map
Criminal records
see state portal
Court records
see state portal
Wants & warrants
see state portal
Property records
see state portal
Vital records
see state portal
Voter records
see state portal
Professional licenses
see state portal
Recorded documents
see state portal
Count of verified official sources per record type. Multiple sources   One source   Use state portal

Knox County Records at a Glance

Record typeKnox County verified sources
Court recordsNo verified source — see Knox County state portal below
Criminal recordsNo verified source — see Knox County state portal below
Wants & warrantsNo verified source — see Knox County state portal below
Property recordsNo verified source — see Knox County state portal below
Vital recordsNo verified source — see Knox County state portal below
Voter recordsNo verified source — see Knox County state portal below
Professional licensesNo verified source — see Knox County state portal below
Recorded documentsNo verified source — see Knox County state portal below
Knox County — Verified Record Sources by Type (2026)
Court records0Criminal records0Wants & warrants0Property records0Vital records0Voter records0Licenses0Recorded docs0
Count of officially verified .gov / .us record sources cataloged for Knox County. Data verified June 04, 2026.

What Changed in 2026 — Knox County Records

2026
Knox County official government portal active
The official Knox County government website at www.knoxcountymaine.gov continues to serve as the canonical local source.
2026
FBI Identity History Summary (federal complement)
For records that may exist outside Maine, the FBI Identity History Summary at fbi.gov complements all county-level state records.

The 4-Step Knox County Records Pathway

1
Step 1 — Start at the Knox County clerk/courthouse
For most local records (court cases, property deeds, marriage licenses), the Knox County clerk's office is the first stop.
2
Step 2 — Use the Maine statewide systems
Criminal background, court case search, voter registration, and professional licensing are all run at the Maine state level — not by the county.
3
Step 3 — Federal sources for federal records
Federal court cases (PACER), federal tax liens (IRS), military records (NPRC), and immigration data (ICE) are all federal — not held by the county.
4
Step 4 — Cross-check before relying on data
Most county portals lag 24-48 hours behind the courthouse. For time-sensitive verification, call the clerk directly.

Five Things People Get Wrong About Knox County Records

❌ Myth: "Knox County maintains all criminal records."
✓ Truth: False. Criminal records for Knox County are held by the Maine state repository, NOT the county. The county sheriff has only the local arrest log.
❌ Myth: "Records sealed in Knox County are gone everywhere."
✓ Truth: False. Sealing removes records from public search but they still exist at the courthouse and may appear in FBI records (Identity History Summary).
❌ Myth: "Free 'instant background' sites have Knox County data."
✓ Truth: False. Only the official Maine state repository has verified, current Knox County data. Free sites often have stale data.
❌ Myth: "The Knox County assessor's value is what I'll sell my home for."
✓ Truth: False. The Knox County assessor's value is for property tax purposes only — usually below market value.
❌ Myth: "All county records older than 50 years are public."
✓ Truth: Partially false. Public-records rules vary by record type AND state. Court records and deeds are usually older-public; vital records remain restricted longer (often 75-125 years).

Primary Sources (All Verified)

Related — Knox County & Maine Records

For records not specific to Knox County, use Maine's statewide system or the national hub.
📍 Maine statewide record systems:
🇺🇸 National hubs:
Related Public Records
Other counties in Maine: Hancock · Kennebec · Lincoln · Oxford · Penobscot

About Knox County, Maine

Knox County is located in southern Maine. The county seat is Rockland (official site: http://www.knoxcountymaine.gov/).

  • Population: 40,981
  • Households: 17,780
  • Median household income: $68,904
  • Median home value: $260,800
  • Below poverty line: 10.0%
  • Land area: 364.9 sq mi
  • Population density: 112.3 people / sq mi
  • Public libraries indexed: 17
  • NCES schools indexed: 48
PB
Knox County, ME
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🌐 knoxcountymaine.gov
CT
Public Access to Court Electronic Records | PACER: Federal Court Records
Criminal & Court Records
.gov

Federal court electronic records (Public Access to Court Electronic Records).

pacer.gov