- District identifier: AL-HD-004
- Chamber: Alabama House of Representatives (lower chamber)
- State key: sldl:01:4
- Knowledge graph path: explore/places/al/lower/4
- Reapportionment map basis: Enacted via Act 2021-555 during the 2021 special redistricting session; viewable on the Alabama Legislative Services Agency House District Map
- Incumbent officeholder: Parker Moore (Republican), verified via the Alabama Legislature Directory as of 2026-09-30
- Legislative framework: Single-member district, four-year terms concurrent with the gubernatorial quadrennium, detailed in the Alabama Legislative Process Overview
¶ 2. Geography and Communities
- County boundaries: Spans portions of Limestone County, Alabama and Morgan County, Alabama across the Tennessee River valley, mapped on the Alabama Legislature 2021 House Plan
- Municipal centers: Encompasses parts of Decatur, Alabama, along with unincorporated riverfront and suburban corridors
- Environmental and hydrological features: Centered around the Tennessee River basin and the Wheeler Lake reservoir system
- Transportation infrastructure: Bisected north-to-south by Interstate 65 and U.S. Route 31, linking the Decatur metropolitan center to the Huntsville-Madison technological corridor and the greater Birmingham-Nashville interstate spine
- Regional transitions: Connects industrialized riverfront terminals with developing suburban residential tracts extending northward toward Athens and eastward toward Madison
¶ 3. Population and Electorate
- District population estimate: 51,629 residents (margin of error ±2,131), reported via Census Reporter B01003 Profile based on the U.S. Census Bureau ACS 2020-2024 5-year survey
- Economic indicators: Median household income of 91,044 USD (margin of error ±4,903 USD, in 2024 inflation-adjusted dollars), sourced from Census Reporter B19013 Table
- Poverty metrics: Total poverty universe of 50,644 (margin of error ±2,112) with 4,519 persons below poverty level (margin of error ±979), recorded in the Census Reporter B17001 Profile
- Socioeconomic profile: Reflects an affluent manufacturing, technical, and engineering commuter base tied to the high-technology aerospace and defense complex in Huntsville and heavy chemical manufacturing in Decatur
¶ 4. Elections and Political Context
- 2018 Special Election: Parker Moore initially won office in the May 15, 2018 special election following the resignation of the prior incumbent, taking office under certification by the Alabama Secretary of State Elections Division
- 2018 General Election: Parker Moore secured a full four-year term in November 2018
- 2022 General Election: Re-elected on November 8, 2022, securing 11,236 votes (97.1%) against write-in opposition, documented on the Ballotpedia District 4 Overview
- 2022 Primary Election: Won the June 21, 2022 Republican runoff election following a competitive three-candidate Republican primary on May 24, 2022
- Election administration: Governed by the general calendar and filing regulations administered by the Alabama Secretary of State Voter Information Portal
¶ 5. Economic and Civic Anchors
- Regional higher education: Calhoun Community College, situated at 6250 Highway 31 North in Tanner/Limestone County, serves as the primary regional workforce development and technical associate pipeline for District 4
- Healthcare network: Decatur Morgan Hospital (part of the Huntsville Hospital Health System), operating acute care facilities at 1201 7th Street SE in Decatur, serves as a primary clinical healthcare anchor for district residents
- Civic and commercial advocacy: Decatur-Morgan County Chamber of Commerce, located at 515 Sixth Avenue NE in Decatur, coordinates regional commercial initiatives, workforce programs, and business advocacy across Morgan County
- Wildlife and environmental stewardship: Wheeler National Wildlife Refuge, headquartered at 3121 Visitor Center Road in Decatur, encompasses over 35,000 acres along Wheeler Lake, providing wildlife sanctuary and eco-tourism directly bordering and connecting district communities
- Industrial river trade: Tennessee River commercial barge and port facilities handle major industrial chemical, polymer, and heavy manufacturing logistics across the Decatur waterfront corridor
¶ 6. People and Organizations to Map
- Decatur-Morgan County Chamber of Commerce: Regional commercial coalition
- Calhoun Community College: Technical and workforce education provider
- Decatur Morgan Hospital: Regional clinical care and healthcare employer
- Parker Moore: State Representative (elected 2018, re-elected 2022)
- Wheeler National Wildlife Refuge: Regional federal conservation and wildlife anchor
- Correlation question: What relationship, if any, exists between industrial development along the Tennessee River navigation corridor and capital outlay allocations from state transportation and utilities committees?
- Correlation question: What relationship, if any, exists between rapid residential subdivision growth in southern Limestone County versus established neighborhoods in Morgan County and voter participation trends in legislative primaries?
- Correlation question: What relationship, if any, exists between advanced manufacturing workforce needs at regional chemical and aerospace facilities and legislative sponsorship of technical education programs at Calhoun Community College?
¶ 7. Representation and Legislative Work
- Current incumbent: Parker Moore (Republican), resident of Decatur, Alabama
- Committee assignments: Active member in the Alabama House of Representatives, participating in committees including Transportation, Utilities and Infrastructure; Fiscal Responsibility; Boards, Agencies and Commissions; and Limestone County Local Legislation, detailed via the Alabama Legislature Directory
- Legislative priorities: Infrastructure improvements along high-volume transit corridors (U.S. 31 and I-65), regional economic development, and workforce education investments across the Tennessee Valley
- Caucus engagement: Affiliated with the Tennessee Valley regional legislative contingent focusing on regional water resources, aerospace corridor logistics, and workforce retention