176 years in pictures
Census counts: 57 in 1940, 116 in 2020. The archive holds 2 old photos and papers going back to 2004 and 4 maps from 1901 on.
- 1850Centralia is settled
Each edition grades its towns against each other only.
A town of 116, settled in 1850.
Only 10 of the 141 Iowa towns we compare have a lower typical July afternoon high than Centralia. Centralia has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 57 in 1940, 116 in 2020. The archive holds 2 old photos and papers going back to 2004 and 4 maps from 1901 on.
Who provides power, water and the rest in Centralia, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Centralia.
Centralia’s mean commuting time stands at 19 minutes, where Iowa’s towns sit at 19 minutes and U.S. towns at 25 minutes. Half of commuters travel less than 9 miles. The top destinations are Dubuque (46%), Peosta (10%) and Cedar Rapids (6%).
| Centralia | Iowa towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 19 minutes | 19 minutes | 25 minutes |
| Median household income | $78,000 | $69,000 | $80,000 |
Census LEHD 2023 · ACS
Centralia’s natural-hazard score from FEMA stands at 23 of 100, below both the Iowa town median (40 of 100) and the median of U.S. towns (44 of 100). FEMA puts 37% of the town’s expected hazard losses down to inland flooding, and 26% to tornadoes. Expected storm and flood damage is lower than in 77% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Expect July afternoons of 82° and January nights of 11°, with about 43 inches of snow a winter.
NOAA U.S. Climate Normals, 1991–2020
A bachelor’s degree or higher: 28% of adults 25 and older, vs 31% across Iowa. Children under 18 are 30% of residents (23% statewide); people 65 and older are 13% of residents (18% statewide). Centralia’s age of the median resident comes in at 37.3 years.
| Centralia | Iowa towns | U.S. towns | |
|---|---|---|---|
| Median age | 37.3 years | 38.7 years | 40.5 years |
| Bachelor’s degree or more, 25+ | 28% | 25% | 29% |
Somewhere between 13% and 90% women
The Census survey reached too few of Centralia’s residents to say more: its margin here is ±38.3 points. Across Iowa, 49.8% of residents are women.
| Centralia | IA | U.S. | |
|---|---|---|---|
| Under 10 | 22.2% | 12.2% | 11.6% |
| 10 to 17 | 7.7% | 10.7% | 10.3% |
| 18 to 24 | 6.8% | 10% | 9.1% |
| 25 to 34 | 11.1% | 12.5% | 13.7% |
| 35 to 44 | 14.5% | 12.6% | 13.2% |
| 45 to 54 | 11.1% | 11.3% | 12.2% |
| 55 to 64 | 13.7% | 12.6% | 12.7% |
| 65 to 74 | 9.4% | 10.6% | 10.2% |
| 75 and older | 3.4% | 7.6% | 7% |
| No diploma | 2.7% | 6.7% | 10.4% |
| High school | 29.7% | 30% | 26% |
| Some college | 24.3% | 19.7% | 19.1% |
| Associate’s | 14.9% | 12.1% | 8.8% |
| Bachelor’s | 12.2% | 20.9% | 21.6% |
| Graduate | 16.2% | 10.5% | 14.1% |
U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 100, single groups can be off by several points
For adults 18 to 64 in Centralia, the share who have no health insurance is 5.5%. Only 6 of the 141 Iowa towns we compare have a lower share of adults who report frequent mental distress than Centralia. Against the Iowa average, Centralia comes out ahead on 8 CDC measures out of 32, and behind on 2.
| Centralia | Iowa towns | U.S. towns | |
|---|---|---|---|
| Feel lonely (CDC PLACES) | 29% | 32% | 33% |
| Sleep under 7 hours (CDC PLACES) | 29% | 32% | 36% |
| Frequent mental distress (CDC PLACES) | 14% | 16% | 17% |
| Depression (CDC PLACES) | 19% | 21% | 23% |
| What stands out | Centralia | IA |
|---|---|---|
| Fewer adults facing housing insecurity | 6.8% | 9.4% |
| Fewer adults facing a utility shut-off | 4.8% | 6.4% |
| More adults who have had cancer | 11% | 8.7% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Museums, parks, gardens and other places to visit around Centralia. Close and well known come first.
31 mi MountainCharles Mound
36 mi National MonumentEffigy Mounds National Monument57K visitors a year
9 mi MuseumNational Mississippi River Museum & Aquarium250K visitors a year
9 mi TheatreFive Flags Center21 mi MuseumChicago Athenaeum
14 mi MuseumNational Farm Toy MuseumCharles Mound: Skye Marthaler, CC BY-SA 3.0 · Effigy Mounds National Monument: National Park Service, Public domain · National Mississippi River Museum & Aquarium: Dirk Hansen, CC BY-SA 3.0 · Five Flags Center: Dirk Hansen, CC BY-SA 3.0 · National Farm Toy Museum: Madmaxmarchhare of English Wikipedia, CC BY 2.5
6 within 15 miles of the center of Centralia
About 3 of every 100 Centralia residents are enrolled in college, against 6 across Iowa.
Where Centralia’s working residents go each day. Line width shows the share.
Census LEHD 2023
City in Iowa, United States
Centralia is a city in Dubuque County, Iowa, United States. It is part of the Dubuque, Iowa Metropolitan Statistical Area. The population was 116 at the 2020 census, up 15 persons since the 2000 census and down 18 from the 2010.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Centralia has fewer than 1,000 residents, too few for fair grades; the figures below are still real.