Photo: Billwhittaker at English Wikipedia · CC BY-SA 3.0Living in Denmark, IA: what to set up and who to call
Denmark has no town government of its own, so Lee County runs its elections and most services, and its children attend Fort Madison Community School District. Wired internet is thin in Denmark: the FCC’s map has 56% of addresses able to get it.
I’m new in town
What to set up in Denmark, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Denmark.
Power comes from Interstate Power and Light
Interstate Power and Light (Interstate Power and Light Co), an investor-owned utility, serves all of Denmark. Its homes paid an average of 17.8¢ per kWh in 2025, about $131 a month (its average across Iowa).
Start or move service: alliantenergy.com · (319) 786-4411
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Rathbun Reg Water Assn (Ft Madison)
Rathbun Reg Water Assn (Ft Madison) supplies almost all of Denmark. It buys treated surface water (EPA lists Ft Madison Muni Water Works and Keokuk Municipal Water Works as sellers) and serves 11,840 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0. Violations are counted by the start of their compliance period. IA0400901.
2 home internet providers serve Denmark
43% of 215 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Kinetic | DSL | 56% | 200/20 |
| Verizon | Fixed wireless | 3% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Denmark’s trash rules yet
Pickup rules, the dump and recycling in Denmark.
Where your child goes to school
Public school districts and the school path by grade.
Denmark is in Fort Madison Community School District.
Test scores and every school: see Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
No town hall: the county runs things
Denmark is unincorporated, so Lee County is the local government.
Election office: FVAP local election office directory, updated Nov 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Denmark spans 4 ZIP codes
ZIP codes where Denmark residents live, with the share of the town in each.
| ZIP | Post office name | Share of Denmark | ZIP’s residents in Denmark |
|---|---|---|---|
| 52624 | Denmark, IA | 83% | 100% |
| 52658 | Wever, IA | 13% | 6% |
| 52656 | West Point, IA | 2% | 0% |
| 52627 | Fort Madison, IA | 1% | 0% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Denmark
Who supplies Denmark’s drinking water, and has it had violations?
Rathbun Reg Water Assn (Ft Madison) (EPA ID IA0400901). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Denmark?
Interstate Power and Light (Interstate Power and Light Co), an investor-owned utility. Its homes paid about 17.8¢ per kWh in 2025 (EIA).
What internet providers serve Denmark?
Kinetic, Verizon (FCC, as of December 2025).
What ZIP codes are in Denmark?
52624 (83%), 52658 (13%), 52656 (2%), 52627 (1%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Denmark in?
Fort Madison Community School District.
How do I register to vote in Denmark?
In 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). Elections here are run by the Lee County Auditor. Check your registration at sos.iowa.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Nov 18, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.