Independent community site, not affiliated with any government.
HA

Hamilton, Iowa

City in Marion County, Iowa · ZIP 50044, 50116

  • Marion County
  • Census data · ACS 2019-2023
  • 125 (2024 estimate)Population
  • 36Households
  • $70,000Median household income
  • 2ZIP codes

About Hamilton

This page shows only what has been published about Hamilton: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020−17.4%
1101201301401502000: 14420002010: 13020102020: 1192020144119
Population of Hamilton at each census
CensusPopulation
2000144
2010130
2020119

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 19, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 19, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 19, retrieved November 14, 2026.

Household income in Hamilton
Under $50k30.6%
$50k to $100k47.2%
$100k to $150k22.2%
$150k to $200k0%
$200k and over0%

Median household income $70,000 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 19, retrieved November 14, 2026.

Housing tenure in Hamilton
Owner occupied
34 units
Renter occupied
2 units
Vacancy rate
10%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 19, retrieved November 14, 2026.

Hamilton compared with its county and state
Hamilton compared with its county and state, American Community Survey 2019-2023
MeasureHamiltonMarion CountyIowa
Population8733,5513,195,937
Median household income$70,000$78,059$73,147
Median age35.539.738.6
Median home valueNot available$211,100$195,900
Bachelor’s degree or higher9.4%33.1%30.9%
Foreign-born residents0.0%2.0%5.7%
Owner-occupied homes94.4%77.7%71.5%
Mean commute to work36.3 minutes20.4 minutes19.8 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 19, retrieved November 14, 2026.

CommunityRules and moderation

Log in to post in Hamilton.
Latest in HamiltonEvery post is checked before neighbours see it.

Loading…

Events in HamiltonAll events

Coming up in HamiltonAll events

No upcoming event is listed in Hamilton yet. Members and businesses add events from the Events page; each is screened before it shows.

Schools

No public school is listed for Hamilton: either the NCES directory for Iowa is not loaded yet, or no school's address falls inside Hamilton’s boundary. Schools in neighbouring towns are on their pages.

Legislative districts

Legislative districts for Hamilton3
Congressional and state legislative districts for Hamilton
ChamberDistrict
U.S. House of RepresentativesCongressional District 1 (IA-1)
State legislature, lower chamberState House District 37
State legislature, upper chamberState Senate District 19

Boundaries from the Census Bureau’s TIGER/Line district files, matched to Hamilton’s own boundary. Who holds each seat appears on the People page once the official records are approved.

Sources: Census cartographic boundaries 2025: congressional districts, 119th Congress, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, upper chamber, state 19, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, lower chamber, state 19, retrieved November 14, 2026.

Frequently asked about HamiltonPromoted from questions people asked

No question about Hamilton has been asked often enough to publish an answer yet. Ask Hamilton and the answer, once a person checks it, appears here.

Nearby towns

Other towns in Marion County

All towns in Marion County