Marion County Jail and Jailor's House, also known as the Palmyra Jail and Palmyra Massacre Jail, is a historic jail and sheriff's residence located at Palmyra, Marion County, Missouri.

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7 on the National Register · #33 in MOHistoric places →

Know Palmyra

The town at a glance, and the guide to how things work

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About Palmyra

City in Missouri, U.S.

1818Established

3,613Population

2.9 sq miArea

640 ftElevation

Palmyra is a city in and the county seat of Marion County, Missouri, United States. The population was 3,613 at the 2020 census. It is part of the Hannibal Micropolitan Statistical Area.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Palmyra ranks

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#6Highest graduation rate in MO #31Most conserved land in MO #39Shortest commute in MO All MO rankings →

Town numbers

ZIP code63461

Area code573

Living in Palmyra

Housing in Palmyra

$245K▲ 5% in a year Typical home value · Zillow

The typical Palmyra home is worth about $245,000, up 5% in a year, 9% below the Missouri typical home.

A strong seller's market

Buyer’sBalancedSeller’s

Days on market53

Sale-to-list90.6%

Sold in May7

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Palmyra

—

Not graded

A grade needs all of the FBI's latest years (2023–2025). Palmyra's police department reported only 2023 and 2024, so we don't grade it yet. The figures below are still real.

Violent crime per 1,000

Palmyra 0

Missouri 4.7

U.S. 3.6

Property crime per 1,000

Palmyra 11.4

Missouri 20.1

U.S. 17.7

FBI crime data, 2024 · crimes reported to policeCrime & safety →

Work & commute in Palmyra

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Most working residents leave Palmyra for work: only 19% work in town. The top destinations are Hannibal (20%), Quincy (14%) and Ellington (5%). Half commute less than 12 miles.

Hannibal

20%

Quincy, IL

14%

Ellington, IL

Columbia

19%Work in townlive and work in Palmyra 12 miWhere do people commute?the commute map 1,299Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Palmyra →

Health in Palmyra

B⁻

Health Grade B−

Healthier than 54% of U.S. towns on seven CDC estimates.

Compared with Missouri

4better than MO·1worse

of 32 measures CDC estimates. The other 27 are too close to call.

Conditions 1▼ 11 close Habits all close Care all close Mind all close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

10.1%Fewer adults facing food insecurityMO 13.7% · better 6.7%Fewer adults facing a utility shut-offMO 9% · better 9.9%More adults who have had cancerMO 8.6% · worse

Care nearby

Hannibal Regional HospitalHannibal · 8.3 mi · ER

Clarity HealthcareHannibal · 8.1 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Palmyra · CMS · HRSAHealth in Palmyra →

Natural hazards in Palmyra

Low

Expected storm and flood damage is higher than in 33% of U.S. communities.

🌊 Inland flooding🌡️ Heat waves🥶 Cold waves

1Does Palmyra flood?paid flood claims since 2013 6Disasters that paid out herefederal disasters sent FEMA money to Palmyra

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Palmyra →

Climate in Palmyra

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Palmyra has chilly winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 19°, and about 13 inches of snow falls in a normal winter.

39° / 22°Winter

64° / 43°Spring

85° / 65°Summer

66° / 45°Fall

How much snow does Palmyra get?About 13 inches a winter.Rain & snow →When is the first frost?Around Oct 30, with the last in spring around Apr 8.Frost dates →Is it warmer than it used to be?+0.5° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Palmyra →

Schools in Palmyra

All Palmyra schools →

A⁻

School Grade A-

The public schools Palmyra’s kids attend, from kindergarten through graduation, outperform 75% of Missouri’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#88Best public schoolsof 226 in MO

DistrictPALMYRA R-ISchools3

Palmyra Elem. A-Elementary · Grades PK–4 · 452 students Palmyra Middle CMiddle · Grades 5–8 · 343 students Palmyra High B+High · Grades 9–12 · 331 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within MO. Ratings are from neighbors.