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Last reviewed: June 04, 2026 · Methodology: all Marshall County record-source URLs verified against the official local and Iowa state publishers on the review date. 4 primary .gov / official sources cited below.

Marshall County — Key Numbers (2026)

Population, demographics, and county-seat data for Marshall County, Iowa — verified against U.S. Census 2024 estimates.
40,392
Population
Census estimate
15,288
Households
Census estimate
$70,828
Median income
Annual household
$125,900
Median home value
Census ACS
Marshalltown
County seat
In Iowa
Marshall County Records Availability Map
Criminal records
see state portal
Court records
1 source
Wants & warrants
see state portal
Property records
5 sources
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

Marshall County Records at a Glance

Record typeMarshall County verified sources
Court recordsTemporary Relocation of Marshall County Court Services | Ann…
Criminal recordsNo verified source — see Marshall County state portal below
Wants & warrantsNo verified source — see Marshall County state portal below
Property recordsStaff Directory • Assessor
Marshall County Property Search
Vital recordsNo verified source — see Marshall County state portal below
Voter recordsNo verified source — see Marshall County state portal below
Professional licensesNo verified source — see Marshall County state portal below
Recorded documentsNo verified source — see Marshall County state portal below
Marshall County — Verified Record Sources by Type (2026)
Court records1Criminal records0Wants & warrants0Property records5Vital records0Voter records0Licenses0Recorded docs0
Count of officially verified .gov / .us record sources cataloged for Marshall County. Data verified June 04, 2026.

What Changed in 2026 — Marshall County Records

2026
Marshall County official government portal active
The official Marshall County government website at marshallcountyia.gov continues to serve as the canonical local source.
2026
Marshall County court records portal verified
State court system links for Marshall County verified against the Iowa judiciary portal in 2026.
2026
Marshall County property records online
Marshall County property assessment and recorder office online portal active in 2026.
2026
FBI Identity History Summary (federal complement)
For records that may exist outside Iowa, the FBI Identity History Summary at fbi.gov complements all county-level state records.

The 4-Step Marshall County Records Pathway

1
Step 1 — Start at the Marshall County clerk/courthouse
For most local records (court cases, property deeds, marriage licenses), the Marshall County clerk's office is the first stop.
2
Step 2 — Use the Iowa statewide systems
Criminal background, court case search, voter registration, and professional licensing are all run at the Iowa 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 Marshall County Records

❌ Myth: "Marshall County maintains all criminal records."
✓ Truth: False. Criminal records for Marshall County are held by the Iowa state repository, NOT the county. The county sheriff has only the local arrest log.
❌ Myth: "Records sealed in Marshall 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 Marshall County data."
✓ Truth: False. Only the official Iowa state repository has verified, current Marshall County data. Free sites often have stale data.
❌ Myth: "The Marshall County assessor's value is what I'll sell my home for."
✓ Truth: False. The Marshall 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 — Marshall County & Iowa Records

For records not specific to Marshall County, use Iowa's statewide system or the national hub.
📍 Iowa statewide record systems:
🇺🇸 National hubs:
Related Public Records
Other counties in Iowa: Mahaska · Marion · Mills · Mitchell · Monona

About Marshall County, Iowa

Marshall County is located in central Iowa. The county seat is Marshalltown (official site: https://marshallcountyia.gov/).

  • Population: 40,392
  • Households: 15,288
  • Median household income: $70,828
  • Median home value: $125,900
  • Below poverty line: 11.2%
  • Land area: 572.5 sq mi
  • Population density: 70.6 people / sq mi
  • Public libraries indexed: 7
  • NCES schools indexed: 16
PR
Staff Directory • Assessor
Official Free
1 E Main Street Marshalltown, IA 50158Phone: 641-754-6305 Link: Assessor Page · Hours Monday - Friday 8:00 a.m. - 4:30 p.m. Assessor Physical Address: 1 E Main St. Marshalltown, IA 50158Mailing Address: Marshalltown, IA 50158 · Staff Physical Address: Marshalltown, IA 50158Mailing Address: ...
PR
Marshall County Property Search
Official Free
Marshall County Property Search Close · Marshall County, IA · 1 E Main St. Marshalltown, IA 50158 · Hours: Monday-Friday 8:00 a.m. - 4:30 p.m. Assessor - Phone: 641.754.6305 · Auditor/Recorder - Phone: 641.754.6323 · Treasurer - Phone: 641.754.6366 · Select Search Type · Parcel Search ...
PR
County Homepage
Official Free
Please check the Treasurers Office for any unsold properties · Accepted On-Line Payment Methods-eCheck, Discover, MasterCard and Visa are accepted for Internet transactions. You can now access the Assessor Property Information on each parcel from Step 3 of the property tax application.
PR
Buchanan County Treasurer | Iowa Tax And Tags
Official Free
We recommend you pay your property and vehicle renewal (tag) taxes online. It's easy, fast and safe. Online payment options include Discover Card, MasterCard, Visa, American Express and eCheck - an electronic transfer of funds from your bank account to the County bank account. Tax Department: 319-334-4340 Motor Vehicle Department: 319-334-2005 Driver's License Department: 319-334-7456 Fax: 319-334-7454 · Buchanan
PR
Marshall County Recorder | Iowa Land Records
Official Free
Why Iowa Land Records Matters · Celebrating Two Decades of Digital Access · Fraudulent Activity From “County Deeds” Reappear · Joan McCalmant – ISAC Golden Eagle Award · February 2026 · September 2025 · January 2025 · February 2024 · August 2023 ·
CT
Temporary Relocation of Marshall County Court Services | Announcements | Iowa Judicial Branch
Official Free
The Marshalltown Probation Office is temporarily relocated to the Marshalltown Residential Center, 1401 South 17th Avenue , and can be contacted at 641-753-5571. Additional changes or information will be updated as available. ### Contact: Steve Davis, (515) 348-4967 or steve.davis@iowacourts.gov ...
CR
Marshall County Most Wanted
Official Free
PACER systems will undergo maintenance on Sunday, May 10, 2026, from 5:00 a.m. to 4:00 p.m. ET . As a result, certain portions of this site may be temporarily degraded during the maintenance window. Log in to the federal Judiciary’s electronic public access services.
LC
Iowa Board - Bureau of Professional Licensure
Official Free
We cannot provide a description for this page right now
RD
Marshall County Recorder | Iowa Land Records
Official Free
Why Iowa Land Records Matters · Celebrating Two Decades of Digital Access · Fraudulent Activity From “County Deeds” Reappear · Joan McCalmant – ISAC Golden Eagle Award · February 2026 · September 2025 · January 2025 · February 2024 · August 2023 ·
BZ
Marshall County
Official Free
Field notes are the narrative record of the cadastral survey . They are written in tabular format and contain the detailed descriptions of entire survey process including the instrumentation and procedures utilized, calling all physical evidence evaluated in the survey process, and listing all ...
BZ
SEC.gov | Search Filings
Business, Voter & Other
.gov

SEC filings and company registrations.

sec.gov

Frequently Asked Questions

How do I look up court cases in Marshall County?
Marshall County court cases are searchable through the Temporary Relocation of Marshall County Court Services | Announcements | Iowa Judicial Branch portal: https://www.iowacourts.gov/announcements/temporary-relocation-of-marshall-county-court-services. Iowa also operates a state-level case lookup through the Iowa Courts Online system. For federal matters, see PACER.
Does an arrest show up on a background check before conviction in Iowa?
Yes — in Iowa, an arrest can appear on a name-based background check from the moment of booking, even before any court ruling. Whether it appears on an employment screening depends on the type of check (name-based vs. fingerprint-based) and how recent the arrest is.
Does an active warrant show up on a background check in Iowa?
Yes. Active warrants in Iowa appear on name-based criminal background checks through the Iowa Department of Public Safety system the moment they are entered. Some employers also run a separate NCIC warrant query, which catches federal warrants as well.
What is an ICE detainer (Form I-247)?
An ICE detainer (Form I-247) is a written request from ICE asking a local jail to hold someone for up to 48 additional hours after they would normally be released so ICE can take custody. Federal courts have held that detainers are requests, not orders — whether a jail honors a detainer depends on the local sheriff's policy.