Table 3 - 6. IRWD Future Land Use Development Projects: Residential Units and Commercial/Industrial Square Footage
Planning Area
Residential Dwelling Units
Commercial/ Industrial Area (sf) [1]
Development
Orange Heights
EO-03A
1,053
105,000
Orchard Hills (Neighorhoods 1, 3, 4) Tustin Marketplace
I-01,02
1,298
NA
I-04 I-06 I-06 I-33 I-39
1,261 1,500 1,667 1,000 1,690
NA NA NA NA NA
UC Regents
Portola Springs Lots 103 and 106 Los Olivos (Phase 2)
PA 51 West and East Alton Parcels
I-51
803
NA
PA 51 Districts 1,4-6
I-51
4,736
2,073,400
The Meadows Portola Center Tustin Legacy Innovation Park
LF-01
699 303
NA NA
LF-Opp OR-12
6,041
1,683,000
I-12 I-30 I-35 I-40 I-51 I-51 I-51
0 0 0 0 0 0 0
926,000
PA 51 Districts 2, 3, 6 Musick Jail Expansion Marine Way East & West PA 51 County of Orange PA 51 Cultural Terrace PA 51 Northern Sector
6,572,200 7,584 Beds
784,700
1,749,000 1,258,000
NA
[1] Proposed commercial square footage not available
3.6 Other Demographic and Socioeconomic Factors
Typical demographic factors may include markers of population growth or decline, population size, density, age, race, and sex as well as socioeconomic factors such as income and education level. Due to the nature of the IRWD service area being a combination of cities and unincorporated county areas of various size, demographic and socioeconomic analyses must be tailored. Furthermore, information is not readily available on an annual basis. In 2026, IRWD prepared an analysis of existing demographic conditions within its service area using the U.S. Census Bureau American Community Survey 5-year estimates for 2020 through 2024. This analysis looks at population size, race, education, and household income within IRWD’s service area ( Table 3-7 ).
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IRWD – 2025 Urban Water Management Plan
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