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Osterdock
Iowa›Clayton County

OsterdockIA

A town of 43, settled in 1877.

Round Barn, Millville Township · Photo: JERRYE & ROY KLOTZ MD · CC BY-SA 3.0
Photo of Osterdock

Osterdock, IA · Round Barn, Millville Township · Photo: JERRYE & ROY KLOTZ MD · CC BY-SA 3.0

Is Osterdock a good place to live?

Mallory Township Bridge is on the National Register of Historic Places. Osterdock has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

43 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns
Getting set up

Moving to Osterdock: who provides what

Who provides power, water and the rest in Osterdock, and how to reach them.

The full setup list →
PowerInterstate Power and Light17.8¢/kWh · EIA 2025HIFLD · EIA
Internet2 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Osterdock’s trash rules yet
SchoolsClayton Ridge Community School DistrictWhich school depends on your addressNCES
Register to voteOnlineIn Iowa you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before).vote.gov
Who runs elections hereClayton County AuditorClayton County; contacts on the Handbook page.FVAP, Jun 2023
ZIP codes52035, 5205252035 77% · 52052 23%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.

The data

Ordered by what stands out in Osterdock.

Natural hazards

Osterdock has a high natural-hazard risk, chiefly from inland flooding

Federal disaster aid has reached households in Osterdock after 3 declared disasters, most recently in 2008. On expected storm and flood damage, Osterdock sits above nearly four fifths of U.S. communities. Of the losses FEMA expects locally, 65% come from inland flooding and 9% from tornadoes.

79risk score of 100
FEMA risk score
79High riskLowerHigher
Inland floodingTornadoesHail
3
federal disasters paid out here

FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA

Climate

Osterdock: four seasons and pleasant summers

Osterdock’s July high comes in at 83°F.

34″snow a winter

Typical low → high °F

Winter14–30°
Spring37–58°
Summer61–81°
Fall40–60°
Oct 18
typical first frost
Apr 21
typical last frost
+0.7°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

A larger share of adults have high blood pressure in Osterdock than in most of Iowa or the rest of the country

31% of adults feel lonely in Osterdock. Among 141 Iowa towns, just 4 have a lower share of adults who have been diagnosed with depression than Osterdock. Two figures for adults locally: 18% smoke cigarettes, 14% have diabetes. CDC measures, 32 in all: Osterdock beats Iowa on 2 and trails on 12.

OsterdockIowa townsU.S. towns
High blood pressure (CDC PLACES)42%35%35%
Smoke cigarettes (CDC PLACES)18%15%14%
Diabetes (CDC PLACES)14%12%12%
Get no exercise (CDC PLACES)31%26%25%
32 measures vs. Iowa
2 better18 too close to call12 worse
What stands outOsterdockIA
More adults treating high blood pressure82%77.8%
More adults getting cholesterol checked86.3%84.1%
More adults with COPD10%6.9%
Guttenberg Municipal Hospital
4.8 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Keep exploring

Everything we know about Osterdock

16pages on Osterdock
After high school

Colleges nearby

None within 15 miles of Osterdock; the nearest are

About Osterdock

City in Iowa, United States

Osterdock is a city located in Clayton County, Iowa, United States. As of the 2020 census, the city had a total population of 43, down from 50 in 2000.

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

Established
1877
Area
0.5 sq mi
Elevation
640 ft

Questions about Osterdock

Short answers, built from the data on this page.

Is Osterdock, IA a good place to live?

Osterdock has fewer than 1,000 residents, too few for fair grades; the figures below are still real.