St. John's Catholic Church is a historic Roman Catholic church of the Diocese of Toledo on the Allen County side of Delphos, Ohio, United States. Designed by S.W. Lane, it has been recognized as a historic site because of its architecture.

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3 on the National Register · #195 in OHHistoric places →

Know Delphos

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

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About Delphos

City in Ohio, US

1844Established

7,117Population

3.5 sq miArea

774 ftElevation

Delphos is a city in Allen and Van Wert counties in the U.S. state of Ohio approximately 14 mi (23 km) northwest of Lima and 13 mi (21 km) east of Van Wert. The population was 7,117 at the 2020 census. The Allen County portion of Delphos is part of the Lima, Ohio metropolitan area, while the Van Wert County portion is part of the Lima–Van Wert–Wapakoneta, OH, combined statistical area.

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How Delphos ranks

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#24Lowest property tax in OH #24Most walkable in OH #115Most affordable in OH All OH rankings →

Town numbers

ZIP code45833

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Living in Delphos

Housing in Delphos

$203K▲ 5.3% in a year Typical home value · Zillow

The typical Delphos home is worth about $203,000, up 5.3% in a year, 18% below the Ohio typical home.

A strong seller's market

Buyer’sBalancedSeller’s

Days on market64

Sale-to-list92.5%

Sold in May5

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Delphos

—

Not graded

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

Violent crime per 1,000

Delphos 1.6

Ohio 2.9

U.S. 3.3

Property crime per 1,000

Delphos 8.2

Ohio 14.7

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Delphos

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Most working residents leave Delphos for work: only 15% work in town. The top destinations are Lima (11%), Van Wert (6%) and Marion (6%). Half commute less than 14 miles.

Lima

11%

Van Wert

Marion

American

15%Work in townlive and work in Delphos 14 miWhere do people commute?the commute map 2,293Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Delphos →

Health in Delphos

Health Grade C

Healthier than 30% of U.S. towns on seven CDC estimates, and 46% of towns with similar incomes.

Compared with Ohio

3worse than OH

of 32 measures CDC estimates. The other 29 are too close to call.

Conditions 3▼ 9 close Habits all close Care all close Mind all close Everyday needs all close

BetterToo close to callWorse

What stands out

9.3%More adults with COPDOH 8% · worse 8%More adults with heart diseaseOH 7.1% · worse 9.7%More adults who have had cancerOH 8.7% · worse

Care nearby

Mercy Health St. Ritas Medical CenterLima · 13.5 mi · ER

North Lima Community Health CenterLima · 12.3 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 Delphos · CMS · HRSAHealth in Delphos →

Natural hazards in Delphos

Moderate

Expected storm and flood damage is higher than in 54% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes💨 Strong wind

40Does Delphos flood?paid flood claims since 1981 NoneDisasters that paid out hereof 10 declared for Van Wert County MapDelphos vs. its neighborsnearby towns shaded by rating

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

Climate in Delphos

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Delphos has chilly winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 19°, and about 17 inches of snow falls in a normal winter.

36° / 22°Winter

60° / 40°Spring

83° / 62°Summer

64° / 44°Fall