147 years in pictures
Census counts: 65 in 1880, a peak of 267 in 1900, 45 in 2020. The archive holds 3 old photos and papers going back to 2004 and 2 maps from 1965 on.
1 place on the National Register of Historic Places.
- 1879Thornburg is settled
Each edition grades its towns against each other only.

A town of 44, settled in 1879.
Thornburg’s average trip to work is 34 minutes, where Iowa’s towns sit at 19 minutes and U.S. towns at 25 minutes. Of the 141 Iowa towns we compare, none has a higher median age than Thornburg. Bruce Goldfish Fisheries is on the National Register of Historic Places. Thornburg 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: 65 in 1880, a peak of 267 in 1900, 45 in 2020. The archive holds 3 old photos and papers going back to 2004 and 2 maps from 1965 on.
1 place on the National Register of Historic Places.
Who provides power, water and the rest in Thornburg, 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 Thornburg.
Thornburg has cold winters and warm summers. July afternoons reach 85°, January nights drop to 13° and about 28 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
Its public schools are run by the Tri-County Community School District. Its two schools are below.
| School | Level | Students | Letter |
|---|---|---|---|
| Tri-County Elementary SchoolLargest public elementary schoolGrades PK–6 | Grades PK–6 | 102 | C+ |
| Tri-County JR/SR High SchoolLargest public high schoolGrades 7–12 | Grades 7–12 | 77 | C− |
NCES · EDFacts
Expected storm and flood damage is higher than in 55% of U.S. communities.
FEMA National Risk Index · OpenFEMA
None within 15 miles of Thornburg; the nearest are
About 0 of every 100 Thornburg residents are enrolled in college, against 6 across Iowa.
City in Iowa, United States
Thornburg is a city in Keokuk County, Iowa, United States. The population was 45 at the time of the 2020 census. Its sole enterprise is the Tri-County Community School, a public school serving grades K-12.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Thornburg has fewer than 1,000 residents, too few for fair grades; the figures below are still real.