Boundary Atlas

Mack, Ohio

Mack is a Census-designated place (an unincorporated community) in Hamilton County, Ohio, with 11,088 residents in 2020. It spans 2 congressional districts: OH-01 (100%) and OH-08 (<0.1%). Its state senate district is State Senate District 8; its state house district is State House District 30.

11,088residents (2020 Census)
8.9 sq miland area
3ZIP codes
2congressional districts

County

CountyShare of residents
Hamilton County100%

Congressional districts

Congressional districtShare of residents
Ohio's 1st congressional district (OH-01)100%
Ohio's 8th congressional district (OH-08)<0.1%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (OH-01)Greg Landsman (D)202-225-2216100%
U.S. Representative (OH-08)Warren Davidson (R)202-225-6205<0.1%
U.S. SenatorBernie Moreno (R)202-224-2315statewide
U.S. SenatorJon Husted (R)202-224-3353statewide
State Senator (State Senate District 8)Bill Blessing (R)100%
State Representative (State House District 30)Mike Odioso (R)100%

Elected in 2024 under OH's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of residents
State Senate District 8100%

State house districtShare of residents
State House District 30100%

ZIP codes

Percentages mark ZIPs only partly in Mack: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Mack's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:3946088")

Mack here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.