DanburyIowaPopPlot, 2021
Danbury’s story
149 years in pictures
Census counts: 69 in 1880, a peak of 728 in 1940, 320 in 2020. The archive holds 2 old photos and papers going back to 2004 and 2 maps from 1969 on.
- 1877Danbury is settled
DanburyIA
A town of 308, settled in 1877.
Population
308
2025 Census estimate · −3.1% since 2020
Typical home
$206K
+6.7% in a year
Household income
$64K
median
Median age
49.5
years
Jobs based here
80
Balanced
Is Danbury a good place to live?
Among 141 Iowa towns, just 2 have a higher median age than Danbury. Danbury has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Small town
308 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Nearby towns
Getting set up
The full setup list →Moving to Danbury: who provides what
Who provides power, water and the rest in Danbury, and how to reach them.
PowerMidAmerican Energy11.2¢/kWh · EIA 2025HIFLD · EIA
WaterDanbury Water Supply1 health-based violation in 5 years · EPAEPA
Internet6 providers94% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Danbury’s trash rules yet
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.govWho runs elections hereWoodbury County AuditorWoodbury County; contacts on the Handbook page.FVAP, Nov 2025
ZIP code5101951019 100%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 Danbury.
Natural hazards
Danbury stands out in Iowa and nationally, with the FEMA risk score higher than most
Danbury’s FEMA risk score is 82 of 100, where Iowa’s towns sit at 40 of 100 and U.S. towns at 44 of 100.
82risk score of 100
FEMA risk score
Inland floodingTornadoesHail
2
federal disasters paid out here
FEMA National Risk Index · OpenFEMA
| School | Level | Students | Letter |
|---|---|---|---|
| Danbury Catholic School PrivateLargest elementary schoolGrades PK–6 | Grades PK–6 | 52 | – |
NCES · EDFacts
Climate
Four seasons and pleasant summers in Danbury
Danbury has cold, snowy winters and warm summers. July afternoons reach 84°, January nights drop to 10° and about 31 inches of snow falls in a winter.
31″snow a winter
Typical low → high °F
Winter14–32°
Spring37–60°
Summer61–83°
Fall39–62°
Oct 1
typical first frost
May 3
typical last frost
+0.8°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020
Work & commute
About one in three of Danbury’s working residents commute to Sioux City
Most working residents leave Danbury for work: only 3% work in town. Danbury’s average trip to work is 15 minutes, below both Iowa’s towns (19 minutes) and U.S. towns (25 minutes). The top destinations are Sioux City (32%), Correctionville (8%) and Anthon (5%).
3%work in town
| Danbury | Iowa towns | U.S. towns | |
|---|---|---|---|
| Working residents who work in town | 3.1% | 31% | 8% |
| Average trip to work | 15 minutes | 19 minutes | 25 minutes |
| Median household income | $64,000 | $69,000 | $80,000 |
| Below the poverty line | 12% | 11% | 9.6% |
Where working residents work
In Danbury3%
Sioux City32%
Correctionville8%
Anthon5%
Mapleton5%
39 mi
median commute distance
80
jobs based in Danbury
Balanced
jobs vs. working residents
Census LEHD 2023 · ACS
Housing
A typical Danbury home is worth about $206K
The typical Danbury home is worth about $206,000, up 6.7% in a year, 13% below the Iowa typical home. Danbury’s median rent is $750 a month.
$206KZillow home value
| Danbury | Iowa towns | U.S. towns | |
|---|---|---|---|
| Households that own their home | 80% | 70% | 73% |
| Median rent | $750 a month | $911 a month | $1,185 a month |
Typical home value
Danbury$206K
Iowa$237K
+6.7%
value change, 1 year
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Health
A larger share of adults in Danbury have high blood pressure than in the typical Iowa or U.S. town
42% of Danbury adults have high blood pressure. Among 141 Iowa towns, just 8 have a higher share of adults who have diabetes than Danbury. 40% of Danbury adults have obesity.
| Danbury | Iowa towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 42% | 35% | 35% |
| Diabetes (CDC PLACES) | 15% | 12% | 12% |
| Sleep under 7 hours (CDC PLACES) | 30% | 32% | 36% |
| Frequent physical distress (CDC PLACES) | 16% | 13% | 14% |
32 measures vs. Iowa
4 better16 too close to call12 worse
| What stands out | Danbury | IA |
|---|---|---|
| Fewer binge drinkers | 17.3% | 20.5% |
| More adults treating high blood pressure | 83.6% | 77.8% |
| More adults with COPD | 9.8% | 6.9% |
Horn Memorial Hospital
15.2 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 Danbury
17pages on Danbury
The big questions
The story
After high school
Colleges nearby
None within 15 miles of Danbury; the nearest are
Nebraska Indian Community CollegeUniversity or college · Public · Macy, NE33.3 mi$4,080 in-state tuitionWestern Iowa Tech Community CollegeCommunity college · Public · Sioux City36.3 mi$5,186 in-state tuition
About 3 of every 100 Danbury residents are enrolled in college, against 6 across Iowa.
About Danbury
City in Iowa, USA
Danbury is a city in Woodbury County, Iowa, United States. It is part of the Sioux City, IA–NE–SD Metropolitan Statistical Area. The population was 320 at the time of the 2020 census. Danbury has two churches, St. Mary's Catholic Church and the United Methodist Church. Danbury holds a fall celebration called Corn Days during harvest.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 0.4 sq mi
- Elevation
- 1,161 ft
- ZIP code
- 51019
Questions about Danbury
Short answers, built from the data on this page.
Is Danbury, IA a good place to live?
Danbury has fewer than 1,000 residents, too few for fair grades; the figures below are still real.