O-1 BAH Rates in Springfield/Decatur, IL (2026)
The 2026 Basic Allowance for Housing (BAH) rate for an O-1 (Second Lieutenant (2LT)) stationed in Springfield/Decatur, IL is $1,572 per month with dependents and $1,182 per month without dependents. This rate is $763 below the national average for O-1.
BAH is a tax-free housing allowance paid to service members who do not live in government housing. Combined with O-1 base pay of $4,320/mo (at 2 years of service) and BAS of $328.48/mo, total monthly compensation in Springfield/Decatur is approximately $6,220.48 with dependents or $5,830.48 without.
O-1 BAH: Springfield/Decatur vs National Average
| Springfield/Decatur | National Avg | Difference | |
|---|---|---|---|
| With Dependents | $1,572 | $2,335 | −$763 |
| Without Dependents | $1,182 | $1,975 | −$793 |
O-1 Total Monthly Compensation in Springfield/Decatur
Here is how O-1 pay breaks down for a service member with 2 years of service stationed in Springfield/Decatur:
| Component | With Dependents | Without Dependents |
|---|---|---|
| Base Pay | $4,320 | $4,320 |
| BAH | $1,572 | $1,182 |
| BAS | $328.48 | $328.48 |
| Total | $6,220.48 | $5,830.48 |
Base pay shown for 2 years of service. BAH and BAS are tax-free. Actual take-home pay will differ after federal tax on base pay. Use our Military Pay Calculator for a personalized estimate.
Other Ranks in Springfield/Decatur
- E-3 — $1,356/mo
- E-4 — $1,356/mo
- E-5 — $1,527/mo
- E-6 — $1,824/mo
- E-7 — $1,887/mo
- O-2 — $1,821/mo
- O-3 — $2,001/mo
Frequently Asked Questions
What is the 2026 BAH rate for O-1 in Springfield/Decatur?
The 2026 O-1 BAH rate in Springfield/Decatur is $1,572/mo with dependents and $1,182/mo without dependents.
What is the total monthly pay for O-1 in Springfield/Decatur?
An O-1 with 2 years of service in Springfield/Decatur earns approximately $6,220.48/mo total compensation with dependents (base pay $4,320 + BAH $1,572 + BAS $328.48). Without dependents: $5,830.48/mo.
Is Springfield/Decatur BAH above or below average?
O-1 BAH in Springfield/Decatur is $763 below the national average of $2,335/mo with dependents.
O-1 BAH in Springfield/Decatur, IL, in context
An O-1 with dependents in Springfield/Decatur, IL draws $1,572/mo — 32.7% below the national average of $2,335 for this grade (264th of 299 MHAs). Without dependents the rate is $1,182/mo, a $390 difference.
Promotion changes housing money here: pinning on O-2 raises BAH in this MHA by $249/mo (to $1,821), on top of the base-pay increase.
Computed from the official 2026 BAH rate file across all 299 market-priced MHAs.